search for: fft_lookup

Hello, I am testing speex 1.1.6's echo canceller. I am using testecho.c, with a few modifications to get it to run on Windows. My problem is that I am unable to get the echo cancellation to work correctly. I am working on an audio conferencing software, and one issue we have is sometimes the microphone picks up what is being played through the headset, resulting in an echo of the other

...te, N, 1); + st->bnk = filterbank_new(M, sampling_rate, N, 1); st->frame = (spx_word16_t*)speex_alloc(2*N*sizeof(spx_word16_t)); st->window = (spx_word16_t*)speex_alloc(2*N*sizeof(spx_word16_t)); @@ -562,7 +562,7 @@ speex_free(st->outbuf); spx_fft_destroy(st->fft_lookup); - filterbank_destroy(st->bank); + filterbank_destroy(st->bnk); speex_free(st); } @@ -661,7 +661,7 @@ for (i=0;i<N;i++) st->ps[i] = PSHR32(st->ps[i], 2*st->frame_shift); - filterbank_compute_bank32(st->bank, ps, ps+N); + filterbank_compute_bank32(st...