#4564: Distortion after flt stereo downmix
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Reporter: cehoyos | Owner:
Type: defect | Status: new
Priority: normal | Component: swresample
Version: git-master | Resolution:
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by heleppkes):
You need to set an option "rematrix_maxval=1.0", otherwise the downmixing
can exceed 100% and will clip. Its automatically set if you use integer
formats, so thats why its not happening there.
This should really be a default, IMHO. Its very unlikely that someone
wants audio that exceeds 100%, and if they do, they can reset this value
back to 0.
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Ticket URL: <https://trac.ffmpeg.org/ticket/4564#comment:2>
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