<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
<!--Generated by ThunderDome XBRL - 08:41PM UTC 2020-02-10--><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2017-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2018-01-31" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:lrad="http://www.lradx.com/20191231" xmlns:naics="http://xbrl.sec.gov/naics/2011-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:srt="http://fasb.org/srt/2019-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2018-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.lradx.com/20191231">
  <xsd:import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2018-01-31" schemaLocation="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/exch/2018-01-31" schemaLocation="https://xbrl.sec.gov/exch/2018/exch-2018-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/currency/2017-01-31" schemaLocation="http://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrad-20191231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrad-20191231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrad-20191231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="lrad-20191231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="statement-document-and-entity-information" roleURI="http://www.lradx.com/20191231/role/statement-document-and-entity-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-balance-sheets-current-period-unaudited" roleURI="http://www.lradx.com/20191231/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals" roleURI="http://www.lradx.com/20191231/role/statement-condensed-consolidated-balance-sheets-current-period-unaudited-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-operations-unaudited" roleURI="http://www.lradx.com/20191231/role/statement-condensed-consolidated-statements-of-operations-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">003 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-comprehensive-income-unaudited" roleURI="http://www.lradx.com/20191231/role/statement-condensed-consolidated-statements-of-comprehensive-income-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">004 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-condensed-consolidated-statements-of-cash-flows-unaudited" roleURI="http://www.lradx.com/20191231/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-operations" roleURI="http://www.lradx.com/20191231/role/statement-note-1-operations">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">006 - Disclosure - Note 1 - Operations</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-basis-of-presentation-and-significant-accounting-policies" roleURI="http://www.lradx.com/20191231/role/statement-note-2-basis-of-presentation-and-significant-accounting-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">007 - Disclosure - Note 2 - Basis of Presentation and Significant Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-recent-accounting-pronouncements" roleURI="http://www.lradx.com/20191231/role/statement-note-3-recent-accounting-pronouncements">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">008 - Disclosure - Note 3 - Recent Accounting Pronouncements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-revenue-recognition" roleURI="http://www.lradx.com/20191231/role/statement-note-4-revenue-recognition">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">009 - Disclosure - Note 4 - Revenue Recognition</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-fair-value-measurements" roleURI="http://www.lradx.com/20191231/role/statement-note-5-fair-value-measurements">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">010 - Disclosure - Note 5 - Fair Value Measurements</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-inventories" roleURI="http://www.lradx.com/20191231/role/statement-note-6-inventories">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">011 - Disclosure - Note 6 - Inventories</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-property-and-equipment" roleURI="http://www.lradx.com/20191231/role/statement-note-7-property-and-equipment">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">012 - Disclosure - Note 7 - Property and Equipment</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-goodwill-and-intangible-assets" roleURI="http://www.lradx.com/20191231/role/statement-note-8-goodwill-and-intangible-assets">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">013 - Disclosure - Note 8 - Goodwill and Intangible Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-prepaid-expenses-and-other" roleURI="http://www.lradx.com/20191231/role/statement-note-9-prepaid-expenses-and-other">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">014 - Disclosure - Note 9 - Prepaid Expenses and Other</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">015 - Disclosure - Note 10 - Accrued Liabilities</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-debt" roleURI="http://www.lradx.com/20191231/role/statement-note-11-debt">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">016 - Disclosure - Note 11 - Debt</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-leases" roleURI="http://www.lradx.com/20191231/role/statement-note-12-leases">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">017 - Disclosure - Note 12 - Leases</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-income-taxes" roleURI="http://www.lradx.com/20191231/role/statement-note-13-income-taxes">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">018 - Disclosure - Note 13 - Income Taxes</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-commitments-and-contingencies" roleURI="http://www.lradx.com/20191231/role/statement-note-14-commitments-and-contingencies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">019 - Disclosure - Note 14 - Commitments and Contingencies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">020 - Disclosure - Note 15 - Share-based Compensation</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-stockholders-equity" roleURI="http://www.lradx.com/20191231/role/statement-note-16-stockholders-equity">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">021 - Disclosure - Note 16 - Stockholders' Equity</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-net-income-per-share" roleURI="http://www.lradx.com/20191231/role/statement-note-17-net-income-per-share">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">022 - Disclosure - Note 17 - Net Income Per Share</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-segment-information" roleURI="http://www.lradx.com/20191231/role/statement-note-18-segment-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">023 - Disclosure - Note 18 - Segment Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-major-customers-suppliers-and-related-information-" roleURI="http://www.lradx.com/20191231/role/statement-note-19-major-customers-suppliers-and-related-information-">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">024 - Disclosure - Note 19 - Major Customers, Suppliers and Related Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-significant-accounting-policies-policies" roleURI="http://www.lradx.com/20191231/role/statement-significant-accounting-policies-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">025 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-revenue-recognition-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-4-revenue-recognition-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">026 - Disclosure - Note 4 - Revenue Recognition (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-fair-value-measurements-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-5-fair-value-measurements-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">027 - Disclosure - Note 5 - Fair Value Measurements (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-inventories-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-6-inventories-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">028 - Disclosure - Note 6 - Inventories (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-property-and-equipment-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-7-property-and-equipment-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">029 - Disclosure - Note 7 - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-goodwill-and-intangible-assets-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-8-goodwill-and-intangible-assets-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">030 - Disclosure - Note 8 - Goodwill and Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-prepaid-expenses-and-other-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-9-prepaid-expenses-and-other-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">031 - Disclosure - Note 9 - Prepaid Expenses and Other (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">032 - Disclosure - Note 10 - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-debt-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-11-debt-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">033 - Disclosure - Note 11 - Debt (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-leases-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-12-leases-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">034 - Disclosure - Note 12 - Leases (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">035 - Disclosure - Note 15 - Share-based Compensation (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-stockholders-equity-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-16-stockholders-equity-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">036 - Disclosure - Note 16 - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-net-income-per-share-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-17-net-income-per-share-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">037 - Disclosure - Note 17 - Net Income Per Share (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-segment-information-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-18-segment-information-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">038 - Disclosure - Note 18 - Segment Information (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-major-customers-suppliers-and-related-information-tables" roleURI="http://www.lradx.com/20191231/role/statement-note-19-major-customers-suppliers-and-related-information-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">039 - Disclosure - Note 19 - Major Customers, Suppliers and Related Information (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-basis-of-presentation-and-significant-accounting-policies-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-2-basis-of-presentation-and-significant-accounting-policies-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">040 - Disclosure - Note 2 - Basis of Presentation and Significant Accounting Policies (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-recent-accounting-pronouncements-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-3-recent-accounting-pronouncements-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">041 - Disclosure - Note 3 - Recent Accounting Pronouncements (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-revenue-recognition-1-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-4-revenue-recognition-1-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">042 - Disclosure - Note 4 - Revenue Recognition 1 (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-revenue-recognition-2-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-4-revenue-recognition-2-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">043 - Disclosure - Note 4 - Revenue Recognition 2 (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-revenue-recognition-contract-asset-and-contract-liabilities-details" roleURI="http://www.lradx.com/20191231/role/statement-note-4-revenue-recognition-contract-asset-and-contract-liabilities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">044 - Disclosure - Note 4 - Revenue Recognition - Contract Asset and Contract Liabilities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-fair-value-measurements-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-5-fair-value-measurements-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">045 - Disclosure - Note 5 - Fair Value Measurements (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-fair-value-measurements-fair-value-by-major-security-type-details" roleURI="http://www.lradx.com/20191231/role/statement-note-5-fair-value-measurements-fair-value-by-major-security-type-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">046 - Disclosure - Note 5 - Fair Value Measurements - Fair Value by Major Security Type (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-inventories-schedule-of-inventory-details" roleURI="http://www.lradx.com/20191231/role/statement-note-6-inventories-schedule-of-inventory-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">047 - Disclosure - Note 6 - Inventories - Schedule of Inventory (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-property-and-equipment-property-and-equipment-details" roleURI="http://www.lradx.com/20191231/role/statement-note-7-property-and-equipment-property-and-equipment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">048 - Disclosure - Note 7 - Property and Equipment - Property and Equipment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-property-and-equipment-property-and-equipment-depreciation-expense-details" roleURI="http://www.lradx.com/20191231/role/statement-note-7-property-and-equipment-property-and-equipment-depreciation-expense-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">049 - Disclosure - Note 7 - Property and Equipment - Property and Equipment, Depreciation Expense (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-goodwill-and-intangible-assets-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-8-goodwill-and-intangible-assets-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">050 - Disclosure - Note 8 - Goodwill and Intangible Assets (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-goodwill-and-intangible-assets-summary-of-intangible-assets-details" roleURI="http://www.lradx.com/20191231/role/statement-note-8-goodwill-and-intangible-assets-summary-of-intangible-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">051 - Disclosure - Note 8 - Goodwill and Intangible Assets - Summary of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-goodwill-and-intangible-assets-estimated-future-amortization-expense-details" roleURI="http://www.lradx.com/20191231/role/statement-note-8-goodwill-and-intangible-assets-estimated-future-amortization-expense-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">052 - Disclosure - Note 8 - Goodwill and Intangible Assets - Estimated Future Amortization Expense (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-prepaid-expenses-and-other-summary-of-prepaid-expenses-and-others-details" roleURI="http://www.lradx.com/20191231/role/statement-note-9-prepaid-expenses-and-other-summary-of-prepaid-expenses-and-others-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">053 - Disclosure - Note 9 - Prepaid Expenses and Other - Summary of Prepaid Expenses and Others (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">054 - Disclosure - Note 10 - Accrued Liabilities (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities-summary-of-accrued-liabilities-details" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities-summary-of-accrued-liabilities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">055 - Disclosure - Note 10 - Accrued Liabilities - Summary of Accrued Liabilities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities-noncurrent-details" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities-noncurrent-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">056 - Disclosure - Note 10 - Accrued Liabilities - Noncurrent (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-accrued-liabilities-changes-in-warranty-reserve-details" roleURI="http://www.lradx.com/20191231/role/statement-note-10-accrued-liabilities-changes-in-warranty-reserve-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">057 - Disclosure - Note 10 - Accrued Liabilities - Changes in Warranty Reserve (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-debt-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-11-debt-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">058 - Disclosure - Note 11 - Debt (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-debt-loans-with-governmental-agencies-details" roleURI="http://www.lradx.com/20191231/role/statement-note-11-debt-loans-with-governmental-agencies-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">059 - Disclosure - Note 11 - Debt - Loans With Governmental Agencies (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-debt-future-annual-payments-details" roleURI="http://www.lradx.com/20191231/role/statement-note-11-debt-future-annual-payments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">060 - Disclosure - Note 11 - Debt - Future Annual Payments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-leases-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-12-leases-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">061 - Disclosure - Note 12 - Leases (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-leases-initial-measurement-of-operating-lease-details" roleURI="http://www.lradx.com/20191231/role/statement-note-12-leases-initial-measurement-of-operating-lease-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">062 - Disclosure - Note 12 - Leases - Initial Measurement of Operating Lease (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-leases-maturities-of-operating-lease-liabilities-details" roleURI="http://www.lradx.com/20191231/role/statement-note-12-leases-maturities-of-operating-lease-liabilities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">063 - Disclosure - Note 12 - Leases - Maturities of Operating Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-income-taxes-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-13-income-taxes-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">064 - Disclosure - Note 13 - Income Taxes (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-commitments-and-contingencies-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-14-commitments-and-contingencies-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">065 - Disclosure - Note 14 - Commitments and Contingencies (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">066 - Disclosure - Note 15 - Share-based Compensation (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-weightedaverage-assumptions-details" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-weightedaverage-assumptions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">067 - Disclosure - Note 15 - Share-based Compensation - Weighted-average Assumptions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-restricted-stock-activity-details" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-restricted-stock-activity-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">068 - Disclosure - Note 15 - Share-based Compensation - Restricted Stock Activity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-stock-option-activity-details" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-stock-option-activity-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">069 - Disclosure - Note 15 - Share-based Compensation - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-stock-options-outstanding-details" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-stock-options-outstanding-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">070 - Disclosure - Note 15 - Share-based Compensation - Stock Options Outstanding (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-sharebased-compensation-summary-of-sharebased-compensation-expense-details" roleURI="http://www.lradx.com/20191231/role/statement-note-15-sharebased-compensation-summary-of-sharebased-compensation-expense-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">071 - Disclosure - Note 15 - Share-based Compensation - Summary of Share-based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-stockholders-equity-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-16-stockholders-equity-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">072 - Disclosure - Note 16 - Stockholders' Equity (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-16-stockholders-equity-summary-of-changes-in-stockholders-equity-details" roleURI="http://www.lradx.com/20191231/role/statement-note-16-stockholders-equity-summary-of-changes-in-stockholders-equity-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">073 - Disclosure - Note 16 - Stockholders' Equity - Summary of Changes in Stockholders' Equity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-17-net-income-loss-per-share-basic-and-diluted-loss-per-share-details" roleURI="http://www.lradx.com/20191231/role/statement-note-17-net-income-loss-per-share-basic-and-diluted-loss-per-share-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">074 - Disclosure - Note 17 - Net Income (Loss) Per Share - Basic and Diluted Loss Per Share (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-segment-information-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-18-segment-information-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">075 - Disclosure - Note 18 - Segment Information (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-18-segment-information-segment-disclosures-details" roleURI="http://www.lradx.com/20191231/role/statement-note-18-segment-information-segment-disclosures-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">076 - Disclosure - Note 18 - Segment Information - Segment Disclosures (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-major-customers-suppliers-and-related-information-details-textual" roleURI="http://www.lradx.com/20191231/role/statement-note-19-major-customers-suppliers-and-related-information-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">077 - Disclosure - Note 19 - Major Customers, Suppliers and Related Information (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-19-major-customers-suppliers-and-related-information-schedule-of-major-customers-details" roleURI="http://www.lradx.com/20191231/role/statement-note-19-major-customers-suppliers-and-related-information-schedule-of-major-customers-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">078 - Disclosure - Note 19 - Major Customers, Suppliers and Related Information - Schedule of Major Customers (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="lrad_AccruedContractCosts" name="AccruedContractCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lrad_BonusesAndRelatedPayrollTaxExpenseMember" name="BonusesAndRelatedPayrollTaxExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ContractWithCustomerLiabilityEffectOfExchangeRate" name="ContractWithCustomerLiabilityEffectOfExchangeRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ContractWithCustomerLiabilityIncreaseForNewContract" name="ContractWithCustomerLiabilityIncreaseForNewContract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_CurrentAndNoncurrentAccruedLiabilitiesTextBlock" name="CurrentAndNoncurrentAccruedLiabilitiesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_Customer1Member" name="Customer1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_Customer2Member" name="Customer2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_CustomerDepositsMember" name="CustomerDepositsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_DeferredRevenueMember" name="DeferredRevenueMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_DepositsForInventory" name="DepositsForInventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lrad_DepreciationExpenseMember" name="DepreciationExpenseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_DueAndSubscription" name="DueAndSubscription" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lrad_EffectOfExchangeRateOnOperatingLeaseLiability" name="EffectOfExchangeRateOnOperatingLeaseLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_EffectOfExchangeRateOnOperatingLeaseROUAssets" name="EffectOfExchangeRateOnOperatingLeaseROUAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_EmployeesMember" name="EmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_EquityPlan2005Member" name="EquityPlan2005Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_EquityPlan2015Member" name="EquityPlan2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ExtendedProductWarrantyTerm" name="ExtendedProductWarrantyTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_FiniteLivedIntangibleAssetsAmortizationExpenseTotal" name="FiniteLivedIntangibleAssetsAmortizationExpenseTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="lrad_GenasysAcquisitionMember" name="GenasysAcquisitionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_GoodwillAndIntangibleAssetsForeignCurrencyTranslationGainLoss" name="GoodwillAndIntangibleAssetsForeignCurrencyTranslationGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_GrossProceedsFromStockOptionsExercised" name="GrossProceedsFromStockOptionsExercised" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_HardwareMember" name="HardwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_IncreaseInLeaseLiabilityWith10IncreaseInIndex" name="IncreaseInLeaseLiabilityWith10IncreaseInIndex" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_InitialMeasurementOfOperatingLeaseRightOfUseAssetsAndLiabilities" name="InitialMeasurementOfOperatingLeaseRightOfUseAssetsAndLiabilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_InitialMeasurementOfOperatingLeaseTableTextBlock" name="InitialMeasurementOfOperatingLeaseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_LoanWithMinistryOfScienceAndInnovationDueFebruary22024Member" name="LoanWithMinistryOfScienceAndInnovationDueFebruary22024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_LoansWithGovernmentalAgenciesMember" name="LoansWithGovernmentalAgenciesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_LoansWithGovernmentalAgenciesTableTextBlock" name="LoansWithGovernmentalAgenciesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_MinistryOfEconomyAndCompetitivenessDebtDueFebruary22022Member" name="MinistryOfEconomyAndCompetitivenessDebtDueFebruary22022Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_MinistryOfEconomyAndCompetitivenessDebtDueFebruary22024Member" name="MinistryOfEconomyAndCompetitivenessDebtDueFebruary22024Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_NoncashOrPartNoncashunrealizedLossOnMarketableSecurities" name="NoncashOrPartNoncashunrealizedLossOnMarketableSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_NonemployeeDirectorsMember" name="NonemployeeDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_NumberOfMajorCustomers" name="NumberOfMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_NumberOfWhollyOwnedSubsidiaries" name="NumberOfWhollyOwnedSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant"/>
  <xsd:element id="lrad_OperatingLeaseIncentivesAndTenantImprovementAllowance" name="OperatingLeaseIncentivesAndTenantImprovementAllowance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="lrad_OperatingLeaseRightofuseAssetAmortizationExpense" name="OperatingLeaseRightofuseAssetAmortizationExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_OperatingLeaseRightofuseAssetGross" name="OperatingLeaseRightofuseAssetGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="lrad_PrepaidExpensesAndOtherDisclosureTextBlock" name="PrepaidExpensesAndOtherDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ProductWarrantyAccrualIncreaseDecreaseForNewWarrantiesIssuanceAndAdjustmentPreexistingWarranties" name="ProductWarrantyAccrualIncreaseDecreaseForNewWarrantiesIssuanceAndAdjustmentPreexistingWarranties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ProductWarrantyExpenseBenefit" name="ProductWarrantyExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_RangeFourMember" name="RangeFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_RangeOneMember" name="RangeOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_RangeThreeMember" name="RangeThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_RangeTwoMember" name="RangeTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAnnualGrantsGross" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAnnualGrantsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_ShareBuybackProgramMember" name="ShareBuybackProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodPerPerson" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodPerPerson" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="lrad_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsPerformanceCriteriaMaximumVestedPerYearNumber" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsPerformanceCriteriaMaximumVestedPerYearNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_SoftwareMember" name="SoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-10-accrued-liabilities-changes-in-warranty-reserve-details" name="statement-statement-note-10-accrued-liabilities-changes-in-warranty-reserve-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-10-accrued-liabilities-noncurrent-details" name="statement-statement-note-10-accrued-liabilities-noncurrent-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-10-accrued-liabilities-summary-of-accrued-liabilities-details" name="statement-statement-note-10-accrued-liabilities-summary-of-accrued-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-10-accrued-liabilities-tables" name="statement-statement-note-10-accrued-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-11-debt-future-annual-payments-details" name="statement-statement-note-11-debt-future-annual-payments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-11-debt-loans-with-governmental-agencies-details" name="statement-statement-note-11-debt-loans-with-governmental-agencies-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-11-debt-tables" name="statement-statement-note-11-debt-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-12-leases-initial-measurement-of-operating-lease-details" name="statement-statement-note-12-leases-initial-measurement-of-operating-lease-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-12-leases-maturities-of-operating-lease-liabilities-details" name="statement-statement-note-12-leases-maturities-of-operating-lease-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-12-leases-tables" name="statement-statement-note-12-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-restricted-stock-activity-details" name="statement-statement-note-15-sharebased-compensation-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-stock-option-activity-details" name="statement-statement-note-15-sharebased-compensation-stock-option-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-stock-options-outstanding-details" name="statement-statement-note-15-sharebased-compensation-stock-options-outstanding-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-summary-of-sharebased-compensation-expense-details" name="statement-statement-note-15-sharebased-compensation-summary-of-sharebased-compensation-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-tables" name="statement-statement-note-15-sharebased-compensation-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-15-sharebased-compensation-weightedaverage-assumptions-details" name="statement-statement-note-15-sharebased-compensation-weightedaverage-assumptions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-16-stockholders-equity-summary-of-changes-in-stockholders-equity-details" name="statement-statement-note-16-stockholders-equity-summary-of-changes-in-stockholders-equity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-16-stockholders-equity-tables" name="statement-statement-note-16-stockholders-equity-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-17-net-income-loss-per-share-basic-and-diluted-loss-per-share-details" name="statement-statement-note-17-net-income-loss-per-share-basic-and-diluted-loss-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-17-net-income-per-share-tables" name="statement-statement-note-17-net-income-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-18-segment-information-segment-disclosures-details" name="statement-statement-note-18-segment-information-segment-disclosures-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-18-segment-information-tables" name="statement-statement-note-18-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-19-major-customers-suppliers-and-related-information-schedule-of-major-customers-details" name="statement-statement-note-19-major-customers-suppliers-and-related-information-schedule-of-major-customers-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-19-major-customers-suppliers-and-related-information-tables" name="statement-statement-note-19-major-customers-suppliers-and-related-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-4-revenue-recognition-contract-asset-and-contract-liabilities-details" name="statement-statement-note-4-revenue-recognition-contract-asset-and-contract-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-4-revenue-recognition-tables" name="statement-statement-note-4-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-5-fair-value-measurements-fair-value-by-major-security-type-details" name="statement-statement-note-5-fair-value-measurements-fair-value-by-major-security-type-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-5-fair-value-measurements-tables" name="statement-statement-note-5-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-6-inventories-schedule-of-inventory-details" name="statement-statement-note-6-inventories-schedule-of-inventory-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-6-inventories-tables" name="statement-statement-note-6-inventories-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-7-property-and-equipment-property-and-equipment-depreciation-expense-details" name="statement-statement-note-7-property-and-equipment-property-and-equipment-depreciation-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-7-property-and-equipment-property-and-equipment-details" name="statement-statement-note-7-property-and-equipment-property-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-7-property-and-equipment-tables" name="statement-statement-note-7-property-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-8-goodwill-and-intangible-assets-estimated-future-amortization-expense-details" name="statement-statement-note-8-goodwill-and-intangible-assets-estimated-future-amortization-expense-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-8-goodwill-and-intangible-assets-summary-of-intangible-assets-details" name="statement-statement-note-8-goodwill-and-intangible-assets-summary-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-8-goodwill-and-intangible-assets-tables" name="statement-statement-note-8-goodwill-and-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-9-prepaid-expenses-and-other-summary-of-prepaid-expenses-and-others-details" name="statement-statement-note-9-prepaid-expenses-and-other-summary-of-prepaid-expenses-and-others-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-note-9-prepaid-expenses-and-other-tables" name="statement-statement-note-9-prepaid-expenses-and-other-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="lrad_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
