diff --git a/doc/filters.texi b/doc/filters.texi index 1cb7fd94a7..920695a65b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1703,6 +1703,13 @@ Apply reverb to stream using mono IR file as second input, complete command usin @example ffmpeg -i input.wav -i middle_tunnel_1way_mono.wav -lavfi afir output.wav @end example + +@item +Apply true stereo processing given input stereo stream, and two stereo impulse responses for left and right channel, +the impulse response files are files with names l_ir.wav and r_ir.wav: +@example +"pan=4C|c0=FL|c1=FL|c2=FR|c3=FR[a];amovie=l_ir.wav[LIR];amovie=r_ir.wav[RIR];[LIR][RIR]amerge[ir];[a][ir]afir=irfmt=input:gtype=gn:irgain=-5dB,pan=stereo|FL