Filter crystalizer
  Simple audio noise sharpening filter.
    slice threading supported
    Inputs:
       #0: default (audio)
    Outputs:
       #0: default (audio)
crystalizer AVOptions:
  i                 <float>      ..F.A....T. set intensity (from -10 to 10) (default 2)
  c                 <boolean>    ..F.A....T. enable clipping (default true)

This filter has support for timeline through the 'enable' option.

