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| author | Paul B Mahol <onemda@gmail.com> | 2022-05-09 21:59:03 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2022-05-09 22:21:40 +0200 |
| commit | 5ccd8f492bc807dbf084bf13f3f288b2f4ac41f1 (patch) | |
| tree | d39f83bb48bbd5605df91e35288c3bbf79652798 /doc | |
| parent | 1309867022a5edf74e80ee6114049d7d053296fc (diff) | |
| download | ffmpeg-5ccd8f492bc807dbf084bf13f3f288b2f4ac41f1.tar.gz | |
avfilter/af_crossfeed: add option for linear phase filtering
But at expense of additional delay.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/filters.texi | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 468c277798..22a88d7f58 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4205,6 +4205,13 @@ Set input gain. Default is 0.9. @item level_out Set output gain. Default is 1. + +@item block_size +Set block size used for reverse IIR processing. If this value is set to high enough +value (higher than impulse response length truncated when reaches near zero values) filtering +will become linear phase otherwise if not big enough it will just produce nasty artifacts. + +Note that filter delay will be exactly this many samples when set to non-zero value. @end table @subsection Commands |