search for: noise_shift

...case SPEEX_PREPROCESS_GET_PSD: + for(i=0;i<st->ps_size;i++) + ((spx_int32_t *)ptr)[i] = (spx_int32_t) st->ps[i]; + break; + case SPEEX_PREPROCESS_GET_NOISE_PSD: + for(i=0;i<st->ps_size;i++) + ((spx_int32_t *)ptr)[i] = (spx_int32_t) PSHR32(st->noise[i], NOISE_SHIFT); + break; default: speex_warning_int("Unknown speex_preprocess_ctl request: ", request); return -1; -------------- next part -------------- diff -ubBwr get_psd/include/speex/speex_preprocess.h get_prob/include/speex/speex_preprocess.h --- get_psd/include/speex/spee...

>> I think the residual echo estimation is fairly reliable but I do not know >> how to use this to improve Pframe and in that way solve our main problem >> with the gain during near end talk. > > How can you tell that the residual echo estimation is reliable? in any > case, I suspect that the whole Pframe idea might have to be revised > (i.e. computing it completely

...OCESS_GET_POWER_SPECTRUM: + for(i=0;i<st->ps_size;i++) + ((spx_int32_t *)ptr)[i] = (spx_int32_t) st->ps[i]; + break; + case SPEEX_PREPROCESS_GET_NOISE_ESTIMATE: + for(i=0;i<st->ps_size;i++) + ((spx_int32_t *)ptr)[i] = (spx_int32_t) PSHR32(st->noise[i], NOISE_SHIFT); + break; + case SPEEX_PREPROCESS_GET_SNR: + { + spx_int32_t fstart = (spx_int32_t) DIV32(MULT16_16(300 * 2, st->ps_size), st->sampling_rate); + spx_int32_t fend = (spx_int32_t) DIV32(MULT16_16(2000 * 2, st->ps_size), st->sampling_rate); + spx_word32_t Z = 0; + for(i = fs...

...t;echo_noise, st->echo_noise+N); + filterbank_compute_bank32(st->bnk, st->echo_noise, st->echo_noise+N); } else { for (i=0;i<N+M;i++) st->echo_noise[i] = 0; @@ -784,7 +784,7 @@ if (!st->update_prob[i] || st->ps[i] < PSHR32(st->noise[i], NOISE_SHIFT)) st->noise[i] = MAX32(EXTEND32(0),MULT16_32_Q15(beta_1,st->noise[i]) + MULT16_32_Q15(beta,SHL32(st->ps[i],NOISE_SHIFT))); } - filterbank_compute_bank32(st->bank, st->noise, st->noise+N); + filterbank_compute_bank32(st->bnk, st->noise, st->noise+N);...