[Mp4-tech] Format of stereo signal in AAC bitstream

Senthil senthil vinjey.com
Thu May 17 00:05:01 EDT 2007


Hi Gururaj Bhat,
For a stereo signal , does the standard tell that it should be implemented as CPE? 
or two SCE's also allowed? (in a raw data block )
   There is no restriction like stereo signal should be coded as CPE only, it could be  two  separate SCE also.
This kind of bit stream is called as dual mono streams. In these cases we will not apply Mid Stereo and Intensity Stereo
>From raw data block itself it will come as a SCE only. I hope this answers for your question.

Thanks
Senthil.
  ----- Original Message ----- 
  From: Gururaj Bhat 
  To: mp4-tech lists.mpegif.org 
  Sent: Wednesday, May 16, 2024 2:32 PM
  Subject: [Mp4-tech] Format of stereo signal in AAC bitstream
  Hi all,
  I have a query about the implementation of AAC.
  For a stereo signal , does the standard tell that it should be implemented as CPE? 
  or two SCE's also allowed? (in a raw data block )
  Thanks in advance,
  Gururaj Bhat 
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