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                                                                    EXHIBIT 21.1

                      ASCENT MEDIA GROUP, INC. SUBSIDIARIES

The following subsidiaries are owned 100% by Ascent Media Group, Inc., a
Delaware corporation (formerly know as Liberty Livewire Corporation; formerly
known as The Todd-AO Corporation) (dba Todd-AO Atlanta; Todd-AO Video Group;
Todd-AO Studios; Visiontext; Blink Digital; Hollywood Digital; Stream; Stream
DVD; Stream Santa Monica; Stream Los Angeles; Stream Hollywood; Stream New York;
Riot Atlanta), except as otherwise noted:

      1.    Four Media Company, a Delaware corporation (dba Digital Image; Image
            Laboratory; Method; Todd Studios Burbank; Todd Burbank; Stream;
            Stream Santa Monica; Stream Los Angeles; Stream Hollywood; Ascent
            Media Management Services; Ascent Media Laboratories)

      2.    Liberty SEG Acquisition Sub, LLC, a Delaware limited liability
            company (dba Soundelux DMG - Design Music Group; Soundelux
            Hollywood; Modern Music; Soundelux Microphones; The Hollywood Edge;
            Signet Soundelux Studios; Vine Street Studios; Soundelux Audio
            Publishing; Cyber-Buzz)

      3.    Todd-AO DVD, Inc., a California corporation (dba Stream; Stream
            Santa Monica; Stream Los Angeles; Stream Hollywood; Ascent Media
            DVD)

      4.    Todd-AO, Espana, a California corporation

      5.    Todd-AO Hollywood Digital, a California corporation

      6.    Todd-AO Studios, a California corporation

      7.    Todd-AO Video Services, a California corporation (dba Ascent Media
            Management Services)

      8.    Angarola, Inc., a California corporation (inactive)

      9.    Hollywood Supply Company, a California corporation (inactive)

      10.   Todd-AO Digital Images, a California corporation (inactive)

      11.   Todd-AO Preservation Services, a California corporation (inactive)

      12.   Todd-AO Productions, Inc., a California corporation (inactive)

      13.   Todd-AO Amusement Productions Services, LLC, a California limited
            liability company (dba Todd-AO Interactive)

      14.   Todd-AO Germany GmbH, a German limited liability company (inactive)

      15.   Company 3 New York, Inc., a Delaware corporation

      16.   Ascent Media Holdings Ltd. (formerly known as WEAPH Ltd.; formerly
            known as Westinghouse Electric (Asia-Pacific) Holdings Ltd.), a
            company incorporated under the laws of the Republic of Singapore

      17.   Goosetray Investments Ltd., a Mauritius company

      18.   Liberty Livewire LLC, a Delaware limited liability company

      19.   CDP, LLC, a California limited liability company (50% interest)

      20.   Hyper TV Productions, LLC, a California limited liability company
            (25% interest)

The following subsidiaries are owned 100% by Liberty SEG Acquisition Sub, LLC:

      1.    Modern Music Magic, LLC, a Delaware limited liability company
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      2.    Vine Street Magic, LLC, a Delaware limited liability company

      3.    Soundelux Hollywood II, LLC, a Delaware limited liability company

      4.    Soundelux Hollywood III, LLC, a Delaware limited liability company

The following subsidiaries are owned 100% by Todd-AO Studios:

      1.    Todd-AO Studios West, a California corporation

      2.    Todd-AO Studios East, Inc., a New York corporation


The following subsidiary is owned 100% by Todd-AO Studios East, Inc.:

      1.    Sound One Corporation, a New York corporation

The following subsidiaries are owned 100% by Ascent Media Holdings Ltd.:

      1.    Ascent Media Pte. Ltd. (formerly known as Asia Broadcast Centre Pte.
            Ltd.), a company incorporated under the laws of the Republic of
            Singapore

      2.    Group W Broadcast Pte. Ltd., a company incorporated under the laws
            of the Republic of Singapore

Liberty Livewire, LLC has a 50% interest in the following limited liability
company:

      1.    HyperTV with Livewire, LLC, a Delaware limited liability company

Todd-AO, Espana has a 50% interest in the following company:

      1.    103 Todd-AO Estudio S.L., a company organized under the laws of
            Spain


FOUR MEDIA COMPANY SUBSIDIARIES (DIRECT AND INDIRECT)

The following subsidiaries are owned 100% by Four Media Company, except as
otherwise noted:

      1.    Ascent Media Network Services, Inc. (fka ANS Acquisition Sub, Inc.),
            a California corporation

      2.    4MC - Burbank, Inc., a Delaware corporation (fka ATS Acquisition,
            Corp.) (dba Level 3 Post; Digital Transform; Ascent Media Management
            Services; Ascent Media Laboratories)

      3.    Ascent Media (Singapore) Pte. Ltd. (fka Four Media Company Asia Pte
            Ltd), a private company limited by shares organized under the laws
            of Singapore

      4.    Digital Magic Company, a Delaware corporation

      5.    Anderson Video Company, a Delaware corporation

      6.    VSDD Acquisition Corp., a Delaware corporation

      7.    4MC Company 3, Inc., a Delaware corporation

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      8.    Visualize, a California corporation (dba POP; POP Sound; POP Film;
            Ascent Media DVD)

      9.    MSCL, Inc., a California corporation (dba Encore Video; Riot;
            E-Finish; Ascent Media Creative Services; Ascent Media Creative
            Sound Services; Riot Santa Monica)

      10.   Company 11 Productions, a California corporation

      11.   4MC Radiant, Inc., a Delaware corporation (fka POP Technology, Inc.)
            (dba Radiant Software)

      12.   Ascent Media Holdings Limited (fka Liberty Livewire Limited; fka
            Four Media Company (UK) Limited), a company organized under the laws
            of England

      13.   Digital Sound & Picture, Inc., a Delaware corporation (fka 4MC Ross
            Acquisition Co.)

      14.   525 Holdings, Inc., a California corporation (fka Virgin Digital
            Studios, Inc.)

      15.   Four Media Company Canada Ltd., a company organized under the laws
            of British Columbia (Inactive)

      16.   A.F. Associates, Inc., a New Jersey corporation

      17.   VSC MAL CORP., a Delaware corporation

      18.   BVI-Miami, LLC, a Delaware limited liability company (40% interest)

The following subsidiary is owned 100% by 4MC-Burbank, Inc.:

      1.    Meridian Sound, LLC, a Delaware limited liability company

The following subsidiary is owned 100% by Ascent Media Network Services, Inc.:

      1.    Ascent Media Systems & Technology Services, LLC (formerly known as
            Livewire Network Services, LLC), a Delaware limited liability
            company

The following subsidiaries are owned 100% by Visualize:

      1.    10 Moons at POP, Inc., a California corporation

      2.    Santa Monica Financial, Inc., a California corporation

      3.    Cinram-POP DVD Center LLC, a California limited liability company
            (dba Stream; Stream Santa Monica; Stream Los Angeles; Stream
            Hollywood)

      4.    POP Animation, a California corporation

The following subsidiaries are owned 100% by MSCL, Inc.:

      1.    FilmCore Editorial San Francisco LLC, a California limited liability
            company

      2.    FilmCore Editorial Los Angeles LLC, a California limited liability
            company

The following subsidiary is owned 100% by 525 Holdings, Inc.:

      1.    525 Studios, LLC, a California limited liability company

The following subsidiary is owned 100% by A.F. Associates, Inc.:


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      1.    AFA Products Group, Inc., a New Jersey corporation

VSDD Acquisition Corp. has a 100% interest in the following limited liability
companies:

      1.    Symphonic Video LLC, a Delaware limited liability company (dba
            Digital Symphony)

      2.    Digital Doctors LLC, a Delaware limited liability company


ASCENT MEDIA HOLDINGS LIMITED SUBSIDIARIES (DIRECT AND INDIRECT)

The following subsidiaries are owned 100% by Ascent Media Holdings Limited (fka
Liberty Livewire Limited; fka Four Media Company (UK) Limited):

      1.    Ascent Media Limited (fka Todd-AO Europe Holding Company Limited), a
            company organized under the laws of England

      2.    Rushes Television, S.A de C.V. (fka Virgin Television de Mexico S.A.
            de C.V.), a company organized under the laws of Mexico

      3.    Servicios Administrativos de Post Produccion S.A. de C.V., a company
            organized under the laws of Mexico

The following subsidiaries are owned 100% by Ascent Media Limited (fka Todd-AO
Europe Holding Company Limited):

      1.    Ascent Media Group Limited (fka Todd-AO UK, Limited), a company
            organized under the laws of England

      2.    4MC Limited (fka TVP Group Plc), a company organized under the laws
            of England

      3.    West One Television Limited, a company organized under the laws of
            England

      4.    Soho Group Limited, a company organized under the laws of England

      5.    Visiontext Limited, a company organized under the laws of England

      6.    Todd-AO Filmatic Limited, a company organized under the laws of
            England

      7.    Liberty Livewire Limited (fka Ascent Media Holdings Limited; fka
            Tele-Cine Cell Group Limited), a company organized under the laws of
            England

The following subsidiaries are owned 100% by Ascent Media Group Limited (fka
Todd-AO UK Limited):

      1.    SVC Television Limited, a company organized under the laws of
            England

      2.    Rushes PostProduction Limited, a company organized under the laws of
            England

      3.    Soho 601 Digital Productions Limited, a company organized under the
            laws of England

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The following subsidiaries are owned 100% by Liberty Livewire Limited (fka
Ascent Media Holdings Limited; fka Tele-Cine Cell Group Limited):

      1.    Tele-Cine Limited, a company organized under the laws of England

      2.    XTV Limited, a company organized under the laws of England

      3.    XTV Cell Limited, a company organized under the laws of England

      4.    Four Media Company (UK) Limited (fka Silver Digital Limited), a
            company organized under the laws of England

      5.    Vergent Media Limited (fka Liberty Livewire (UK) Limited; fka File
            Exchange Limited), a company organized under the laws of England

The following subsidiaries are owned 100% by 4MC Limited (fka TVP Group Plc):

      1.    TVI Limited, a company organized under the laws of England

      2.    TVP Videodubbing Limited, a company organized under the laws of
            England

      3.    Post Box Golden Square Limited, a company organized under the laws
            of England

      4.    R!OT London Limited (fka Television Presentations Limited), a
            company organized under the laws of England

      5.    Todd-AO UK Limited (fka POP Sound London Limited; fka TVP Broadcast
            Limited), a company organized under the laws of England

      6.    Encore London Limited (fka The Edit Box Limited), a company
            organized under the laws of England

      7.    Co 3 London Limited (fka TVP Group Limited; fka The Original Video
            Dubbing Limited), a company organized under the laws of England

      8.    TVP Doublevision Limited, a company organized under the laws of
            England

      9.    Stream Digital Media Limited, a company organized under the laws of
            England

      10.   Stream Digital Image Limited, a company organized under the laws of
            England

      11.   Method London Limited (fka TVP Multimedia Limited), a company
            organized under the laws of England

      12.   POP London Limited (fka TVP Digital Media Limited), a company
            organized under the laws of England

      13.   Todd-AO Europe Holding Company Limited (fka Ascent Media Limited;
            fka Audio and Video Limited), a company organized under the laws of
            England

The following subsidiaries are owned 100% by SVC Television Limited:

      1.    Pilot Programme Investments Limited, a company organized under the
            laws of England

      2.    Ascent Media Europe Limited (fka Bainbridge and Partners Limited), a
            company organized under the laws of England

      3.    Ascent Networks Europe Limited (fka SVC Communications Limited), a
            company organized under the laws of England

      4.    Ascent Pictures Europe Limited (fka Stevens Kellehar Limited), a
            company organized under the laws of England

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      5.    Sanderson Vere Crane (Video Tape Editors) Limited, a company
            organized under the laws of England

      6.    St. Anne's Post Limited (fka Sanderson Vere Crane (Film Editors)
            Limited), a company organized under the laws of England

The following subsidiaries are owned 100% by Soho Group Limited:

      1.    Studio Film and Video Holdings Limited, a company organized under
            the laws of England

      2.    Genie Films Limited, a company organized under the laws of England

      3.    Future Reality Limited, a company organized under the laws of
            England

The following subsidiaries are owned 100% by Studio Film and Video Holdings
Limited:

      1.    Soho Images Limited, a company organized under the laws of England

      2.    Soho 602 Digital Productions Limited, a company organized under the
            laws of England

The following subsidiary is owned 50% by Soho 601 Digital Productions Limited:

      1.    Computamatch Limited, a company organized under the laws of England

The following subsidiaries are owned 100% by TVI Limited:

      1.    Video Time Limited, a company organized under the laws of England

      2.    Video Time 1999 Limited, a company organized under the laws of
            England

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