<SUBMISSION>
<ACCESSION-NUMBER>0001209191-03-023559
<TYPE>4/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030701
<FILING-DATE>20030930
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>PLATISA GEORGE C
<CIK>0001251839
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4/A
<ACT>34
<FILE-NUMBER>000-01461
<FILM-NUMBER>03918946
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>C/O ASCENT MEDIA GROUP INC
<STREET2>520 BROADWAY 5TH FLOOR
<CITY>SANTA MONICA
<STATE>CA
<ZIP>90401
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>ASCENT MEDIA GROUP INC
<CIK>0000061442
<ASSIGNED-SIC>7822
<IRS-NUMBER>131679856
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>520 BROADWAY
<STREET2>FIFTH FLOOR
<CITY>SANTA MONICA
<STATE>CA
<ZIP>90401
<PHONE>3104347000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>520 BROADWAY
<STREET2>FIFTH FLOOR
<CITY>SANTA MONICA
<STATE>CA
<ZIP>90401
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>LIBERTY LIVEWIRE CORP
<DATE-CHANGED>20000609
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>TODD AO CORP
<DATE-CHANGED>19920703
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>MAGNA PICTURES CORP
<DATE-CHANGED>19851128
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>bla93374_bla01.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4/A</documentType><periodOfReport>2003-07-01</periodOfReport><dateOfOriginalSubmission>2003-07-03</dateOfOriginalSubmission><notSubjectToSection16>1</notSubjectToSection16><issuer><issuerCik>0000061442</issuerCik><issuerName>ASCENT MEDIA GROUP INC</issuerName>        <issuerTradingSymbol>AMGIA</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001251839</rptOwnerCik><rptOwnerName>PLATISA GEORGE C</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>520 BROADWAY, 5TH FLOOR</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>SANTA MONICA</rptOwnerCity><rptOwnerState>CA</rptOwnerState><rptOwnerZipCode>90401</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Executive VP and CFO</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Stock Option</value><footnoteId id="F1" /></securityTitle><conversionOrExercisePrice><value>7.00</value></conversionOrExercisePrice><transactionDate><value>2003-07-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F2" /></transactionCoding><transactionAmounts><transactionShares><value>250000.0000</value></transactionShares><transactionPricePerShare><value>0.00</value><footnoteId id="F4" /></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-05-14</value><footnoteId id="F3" /></exerciseDate><expirationDate><value>2011-11-15</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class A Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>250000.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>0.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">This amendment is being filed solely to state the correct Date of Earliest Transaction in Box 3 of this Form, which was incorrectly stated in the amendment filed on July 14, 2003.  Such previous amendment contained an electronic system error beyond the control of the electronic filer caused by the third party administrator that inserted an incorrect date in Box 3 of this Form.</footnote><footnote id="F2">A wholly owned subsidiary of Liberty Media Corporation ("Liberty Media") merged with and into the Issuer on July 1, 2003 (the "Merger").  At the effective time of the Merger, each stock option of the Issuer held by the Reporting Person immediately prior to the effective time of the Merger was assumed by Liberty Media and converted into an optioin exercisable for 0.1147 of a share of Liberty Media's Series A Common Stock for each share of Class A Common Stock of the Issuer for which such stock option was exercisable.</footnote><footnote id="F3">Twenty-five percent (25%) of the option became exercisable on May 14, 2003, the next 25% becomes exercisable on May 14, 2004, the next 25% becomes exercisable on May 14, 2005 and the final 25% becomes exercisable on May 14, 2006.</footnote><footnote id="F4">The stock options were issued to the Reporting person as part of his compensation package and no cash was paid for the stock options.</footnote></footnotes><ownerSignature><signatureName>/s/ George C. Platisa</signatureName><signatureDate>2003-09-30</signatureDate></ownerSignature></ownershipDocument>

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