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-rw-r--r-- | doc/filters.texi | 64 |
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diff --git a/doc/filters.texi b/doc/filters.texi index 7790367593..c3c54fdda5 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -2770,6 +2770,70 @@ Set delay-line interpolation, @var{linear} or @var{quadratic}. Default is @var{linear}. @end table +@section haas +Apply Haas effect to audio. + +Note that this makes most sense to apply on mono signals. +With this filter applied to mono signals it give some directionality and +streches its stereo image. + +The filter accepts the following options: + +@table @option +@item level_in +Set input level. By default is @var{1}, or 0dB + +@item level_out +Set output level. By default is @var{1}, or 0dB. + +@item side_gain +Set gain applied to side part of signal. By default is @var{1}. + +@item middle_source +Set kind of middle source. Can be one of the following: + +@table @samp +@item left +Pick left channel. + +@item right +Pick right channel. + +@item mid +Pick middle part signal of stereo image. + +@item side +Pick side part signal of stereo image. +@end table + +@item middle_phase +Change middle phase. By default is disabled. + +@item left_delay +Set left channel delay. By default is @var{2.05} milliseconds. + +@item left_balance +Set left channel balance. By default is @var{-1}. + +@item left_gain +Set left channel gain. By default is @var{1}. + +@item left_phase +Change left phase. By default is disabled. + +@item right_delay +Set right channel delay. By defaults is @var{2.12} milliseconds. + +@item right_balance +Set right channel balance. By default is @var{1}. + +@item right_gain +Set right channel gain. By default is @var{1}. + +@item right_phase +Change right phase. By default is enabled. +@end table + @section hdcd Decodes High Definition Compatible Digital (HDCD) data. A 16-bit PCM stream with |