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MPEG Common Encryption

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Common Encryption refers to a set of two MPEG standards, governing different container formats:

  • for MP4, Common encryption in ISO base media file format files (ISO/IEC 23001-7:2016)[1]
  • for MPEG-TS, Common encryption of MPEG-2 transport streams (ISO/IEC 23001-9:2014)[2]

The specifications are compatible, so that conversion between the encrypted formats can happen without re-encryption.

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