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Diffstat (limited to 'doc/filters.texi')
-rw-r--r-- | doc/filters.texi | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index d594f6394a..b27eefb082 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -541,6 +541,29 @@ Set filter order. Availabe values are: Default is @var{4th}. @end table +@subsection Examples + +@itemize +@item +Split input audio stream into two bands (low and high) with split frequency of 1500 Hz, +each band will be in separate stream: +@example +ffmpeg -i in.flac -filter_complex 'acrossover=split=1500[LOW][HIGH]' -map '[LOW]' low.wav -map '[HIGH]' high.wav +@end example + +@item +Same as above, but with higher filter order: +@example +ffmpeg -i in.flac -filter_complex 'acrossover=split=1500:order=4th[LOW][HIGH]' -map '[LOW]' low.wav -map '[HIGH]' high.wav +@end example + +@item +Same as above, but also with additional middle band (frequencies between 1500 and 8000): +@example +ffmpeg -i in.flac -filter_complex 'acrossover=split=1500 8000:order=4th[LOW][MID][HIGH]' -map '[LOW]' low.wav -map '[MID]' mid.wav -map '[HIGH]' high.wav +@end example +@end itemize + @section acrusher Reduce audio bit resolution. |