[FFmpeg-devel] Adding libspeexdsp's AEC to FFmpeg.

[Arseniy Skvortsov]

Paul B Mahol <onemda at gmail.com> писал(а) в своём письме Tue, 04 Sep 2018  
10:45:22 +0300:

> Try with input as files, not streams.

I'm afraid, this won't work. Filter is 'adaptive' meaning it's 'learning'  
the 'impulse response function' (again, not sure about the term) of the  
room basing on how well it's removing 'playback' from 'record'. With files  
it can't see the result of adaptation.