[FFmpeg-trac] #2473(undetermined:new): Using ios device play mp4 with noisy sound

FFmpeg trac at avcodec.org
Tue Apr 16 11:53:02 CEST 2013

#2473: Using ios device play mp4 with noisy sound
             Reporter:  Ken_JJ       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  aac          |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by Ken_JJ):

 Sorry,the input smaple is copyright from muisc company,so I can not
 provide it.

 I had a experiment with ffmpeg 1.0:
 1. -vn and libfaac, it hear fine.
 2. libx264 and mp3 ,it hear noisy.
 3. libx264 and aac_coder 0, it hear noisy.
 4. libx264 and -strict -2 -acodec aac, it hear noisy

 I use ffmpeg 1.2,it from ffmpeg git, it hear noisy.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2473#comment:2>
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