FFmpeg 6.0.1
Since* 3.2
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Simple algorithm for audio noise sharpening.

This filter linearly increases differences betweeen each audio sample.

The filter accepts the following options:

i

Sets the intensity of effect (default: 2.0). Must be in range between -10.0 to 0 (unchanged sound) to 10.0 (maximum effect). To inverse filtering use negative value.

c

Enable clipping. By default is enabled.

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Commands

This filter supports the all above options as commands.