FFmpeg 7.1
Since* 4.3
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Reduce noise from speech using Recurrent Neural Networks.

This filter accepts the following options:

model, m

Set train model file to load. This option is always required.

mix

Set how much to mix filtered samples into final output. Allowed range is from -1 to 1. Default value is 1. Negative values are special, they set how much to keep filtered noise in the final filter output. Set this option to -1 to hear actual noise removed from input signal.

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Commands

This filter supports the all above options as commands.