Filter deesser
  Apply de-essing to the audio.
    Inputs:
       #0: default (audio)
    Outputs:
       #0: default (audio)
deesser AVOptions:
  i                 <double>     ..F.A.... set intensity (from 0 to 1) (default 0)
  m                 <double>     ..F.A.... set max deessing (from 0 to 1) (default 0.5)
  f                 <double>     ..F.A.... set frequency (from 0 to 1) (default 0.5)
  s                 <int>        ..F.A.... set output mode (from 0 to 2) (default o)
     i               0            ..F.A.... input
     o               1            ..F.A.... output
     e               2            ..F.A.... ess

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

