[FFmpeg-trac] #8066(avcodec:open): Bad quality encoding of high compressed audio by AAC encoder

[FFmpeg]

#8066: Bad quality encoding of high compressed audio by AAC encoder
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             Reporter:  Lirk        |                    Owner:  Lynne
                 Type:  defect      |                   Status:  open
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  aac         |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  1           |
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Comment (by Thomas Mundt):

 First of all thank you Lynne for taking care of this problem! I am not a
 user of OBS or any "social" networks. I just recently switched from MP3 to
 AAC because MP3 is no longer supported on the device of one of my users.
 For me the artifacts are very audible even without cascading. Also with
 Lirk's sample. I just wanted to make it more clear.
 I was a little bit surprised that the native AAC encoder is claimed in the
 ffmpeg documentation to be on par with the FDK AAC encoder at 128 kBit/s
 and better than MP3. This is definitely not true. I also find it
 surprising that the previous native AAC encoder from ffmpeg 2.8 sounds
 much better. Why was it replaced?
 I would like to provide samples where the problem is more audible without
 cascading. But for me all music samples I tested sound similarly bad.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8066#comment:15>
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