search for: dereverberation

Hello, I'm using Speex1.1.11.1 source code. I enabled dereverb by speex_preprocess_ctl(). I try different dereverb_level and dereverb_decay values and it seems to not work. I generate some test files in CoolEdit using reverb or echo and then preprocess it by speex_preprocess(preprocess, input, NULL); and output is the same as input:(. Denoising and VAD works very good. I tried dereverb with

Dear Sir/Madam, I am PhD student in Speech Enhancement at INRIA in France. I am part of the Multispeech team, which is supervised by Emmanuel Vincent. My work includes echo cancellation, dereverberation and noise suppression. It's been 2 years I am using SpeexDSP for echo cancellation. I noticed there was a high-pass filter and I tried to deactivate it by commenting the lines related to SET_HIGHPASS_FILTER. Unfortunately, after I recompiled SpeexDSP, the high-pass filter was still on. Obvious...