International organisation for standardisation

4.2.2MPEG-2, MPEG-4, MPEG-7, MPEG Surround, SAOC

Bernhard Grill, FhG, presented

m21262

Profile definitions in ISO/IEC 14496-3:2009 Amd3

Manfred Lutzky, Max Neuendorf

The contribution proposes a new profile “Low Delay AAC Version 2.” It incorporates the MPEG-4 Audio Object Types (AOT):

• 
  AOT 23: Error Resilient AAC Low Delay (ER AAC LD), ISO/IEC 14496-3
  
• 
  AOT 39: Error Resilient AAC Enhanced Low Delay (ER AAC ELD), ISO/IEC 14496-3
  
• 
  AOT 44: Low Delay MPEG Surround (LD MPEG Surround) ISO/IEC IS 23003-2:2010(E)
  

The levels of the proposed profiles are: