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doc/filters: add more examples for afftfilt

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This commit is contained in:
Paul B Mahol 2019-10-09 19:03:45 +02:00
parent 3d262f9f32
commit 1cdb7c5839
1 changed files with 12 additions and 0 deletions
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doc/filters.texi
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@ -1153,6 +1153,18 @@ Leave almost only low frequencies in audio:
@example
afftfilt="'real=re * (1-clip((b/nb)*b,0,1))':imag='im * (1-clip((b/nb)*b,0,1))'"
@end example
@item
Apply robotize effect:
@example
afftfilt="real='hypot(re,im)*sin(0)':imag='hypot(re,im)*cos(0)':win_size=512:overlap=0.75"
@end example
@item
Apply whisper effect:
@example
afftfilt="real='hypot(re,im)*cos((random(0)*2-1)*2*3.14)':imag='hypot(re,im)*sin((random(1)*2-1)*2*3.14)':win_size=128:overlap=0.8"
@end example
@end itemize
@anchor{afir}