AAC-LC & HE-AAC

  1. The AAC Profile contains the audio object type 2 (AAC-LC).
  1. The High Efficiency AAC Profile contains the audio object types 5 (SBR) and 2 (AAC LC). The High Efficiency AAC Profile is a superset of the AAC Profile.
  2. The High Efficiency AAC v2 Profile contains the audio object types 5 (SBR), 29 (PS) and 2 (AAC LC). The High Efficiency AAC v2 Profile is a superset of the High Efficiency AAC Profile.
**AAC-LC & HE-AAC**
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