[FFmpeg-trac] #2686(avcodec:open): Native AAC encoder collapses at high bitrates on some samples
FFmpeg
trac at avcodec.org
Sat Jul 20 21:31:15 CEST 2013
#2686: Native AAC encoder collapses at high bitrates on some samples
-------------------------------------+-------------------------------------
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 |
-------------------------------------+-------------------------------------
Comment (by Kamedo2):
Is s->global_quality different from VBR number -q:a x?
||=LAME equivalent=||=Stereo Bitrate=||=VBR number=||=Recommended
cutoff=||
|| ||16||0.029||4000||
||-V9.9||32||0.053||7000||
|| ||48||0.097||9000||
||-V9||64||0.23||11000||
||-V8||80||0.43||13000||
||-V7||96||0.55||15000||
||-V6||112||0.66||15500||
||-V5||128||0.86||16000||
|| ||144||1.06||16500||
||-V4||160||1.17||17000||
||-V3||176||1.29||17500||
||-V2||192||1.43||18000||
||-V1||224||2.2||19000||
||-V0||256||4.3||20000||
|| ||288||6.2||20000||
|| ||320||7||20000||
|| ||352||7.7||20000||
|| ||384||10||20000||
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2686#comment:64>
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