[Mp4-tech] AACplus bitstream with DRC

Mohammed Chalil mohammed.chalil analog.com
Tue Jun 12 11:27:49 EDT 2007


sakthi, ISO streams doesn't have DRC. but you can use mp4mcenc source for
making DRC streams. 
-chalil
  _____  
From: mp4-tech-bounces lists.mpegif.org
[mailto:mp4-tech-bounces lists.mpegif.org] On Behalf Of sakthi narayanan
Sent: Monday, June 11, 2023 11:39 PM
To: mohammed.chalil analog.com
Cc: mp4_tech
Subject: Re :RE: [Mp4-tech] AACplus bitstream with DRC
Hi,
  Thanks for ur inputs chalil.I had some doubt,whether in ISO standard
bitstream the DRC is
feature is supported.
With Regards,
sakthi
On Mon, 11 Jun 2023 08:47:27 +0530 "Mohammed Chalil" wrote
DAB 
uses DRC.  is to adapt the 
dynamic range of the audio signal to listening listening environment. along
with 
audio data, receiver can receive the range info and apply the DRC to
required 
level without clipping the PCM.  see AAC std and ISO ref code for 
details.
 -chalil 
Hi all,   Where DRC is used in a real time 
applications?Can u expalin what is DRC?With 
Regards,sakthiOn 6 Jun 2023 14:56:29 -0000 "Pinaki S. Chanda" 
wrote  Dear all,          I am 
looking for some AACplus coded bitstream with dynamic range control 
information embedded in that to test some decoder code.Any suggestion will 
be appreciated.Regards,Pinaki
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