[FFmpeg-trac] #2389(avfilter:new): Inversion audio filter

[FFmpeg]

#2389: Inversion audio filter
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             Reporter:  sun          |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  wish         |                Component:  avfilter
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by sun):

 I think (hope) the right english term is phase inversion. This means that
 the displacement of an audio wave is inverted.

 This gives further information about balanced audio, which is commonly
 used:
 http://en.wikipedia.org/wiki/Balanced_audio

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2389#comment:2>
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