convolution with acourate fir filter

[claas]

(09-11-2018 22:57)simoncn Wrote:  Perhaps the file you are playing isn't being transcoded by FFmpeg. What type of file is this and what setting do you have for the stream.transcode property?

It's a mono filter as wav file.
Someone pointed me to the fact that it should only be applied to files being encoded in M/S format (mid-side). But I'm unsure if FFmpeg can detect this and thus doesn't do anything.
Maybe I'll try a different (DRC) filter first.

My settings are:
alac:wav, dsf:wav24