[FFmpeg-trac] #2686(avcodec:open): Native AAC encoder collapses at high bitrates on some samples

[FFmpeg]

#2686: Native AAC encoder collapses at high bitrates on some samples
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             Reporter:  Kamedo2      |                    Owner:
                 Type:  defect       |                   Status:  open
             Priority:  normal       |                Component:  avcodec
              Version:  git-master   |               Resolution:
             Keywords:  aac          |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
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Comment (by Kamedo2):

 I think it's not a major problem to boost rate on noisy transients,
 they're rare in actual encoding situations, unlike speech samples.

 The v6 patch is already a very good one, so I'm very satisfied with the
 current quality, but fairness can be a problem, so if you have the version
 that reduces bitrate on speech samples, I'd like to test the one with
 reduced bitrate.

 I'd like to test a version that is worthy to commit, so please be careful
 of stability issues like memory leaks and such, rather than the quality.
 I'll try my best to find problems before the test.


 BTW, I decided to use cbr for the fdk-aac. The cbr sounds clearer.

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2686#comment:194>
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