AC-3 Compressed Audio (Dolby Digital)

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Main Page > Documentation > Format policies > AC-3 Compressed Audio (Dolby Digital)

[edit] File extension(s)

.ac3

[edit] Format registry information

Not registered in PRONOM

[edit] Significant characteristics

See Significant characteristics of audio files

[edit] Preservation action plan

See Audio preservation plan

[edit] Preservation issues

  • AC3 is a proprietary format owned by Dolby. The specification is freely available.
  • AC3 encoding uses a lossy compression algorithm.

[edit] Conversion test results

[edit] More information

Library of Congress Sustainability of Digital Formats: AC-3 Compressed Audio (Dolby Digital), Revision A


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