Searched refs:noise_floor (Results 1 - 4 of 4) sorted by relevance
| /third_party/ffmpeg/libavfilter/ |
| H A D | af_astats.c | 90 double noise_floor; member
183 p->noise_floor = NAN; in reset_stats()
322 if (!isnan(p->noise_floor)) in update_stat()
328 if (p->win_pos >= s->tc_samples || !isnan(p->noise_floor)) { in update_stat()
329 double noise_floor = 1.; in update_stat() local
333 noise_floor = i / (double)HISTOGRAM_MAX; in update_stat()
338 if (isnan(p->noise_floor)) { in update_stat()
339 p->noise_floor = noise_floor; in update_stat()
342 if (noise_floor < in update_stat()
407 noise_floor = 0, set_metadata() local
661 noise_floor = 0, print_stats() local
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| H A D | af_afftdn.c | 96 double noise_floor; member
109 float noise_floor; member
165 { "noise_floor", "set the noise floor",OFFSET(noise_floor), AV_OPT_TYPE_FLOAT, {.dbl =-50}, -80,-20, AFR },
166 { "nf", "set the noise floor", OFFSET(noise_floor), AV_OPT_TYPE_FLOAT, {.dbl =-50}, -80,-20, AFR },
388 dnch->noise_floor = 0.1 * new_floor + dnch->noise_floor * 0.9; in process_frame()
552 if (dnch->last_noise_floor != dnch->noise_floor) in set_parameters()
553 dnch->last_noise_floor = dnch->noise_floor; in set_parameters()
831 dnch->noise_floor in config_input()
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| /third_party/pulseaudio/speex/tmv/ |
| H A D | preprocess_tm.h | 535 register float noise_floor; in compute_gain_floor() local
539 noise_floor = exp(.2302585f*noise_suppress); in compute_gain_floor()
552 gain_floor[i] = FRAC_SCALING * sqrt(noise_floor * noisei + echo_floor * echoi) / sqrt(1+noisei+echoi); in compute_gain_floor()
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| /third_party/pulseaudio/speex/libspeexdsp/ |
| H A D | preprocess.c | 327 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */ in compute_gain_floor()
337 /* gain_floor = sqrt [ (noise*noise_floor + echo*echo_floor) / (noise+echo) ] */ in compute_gain_floor()
380 float noise_floor; in compute_gain_floor() local
382 noise_floor = exp(.2302585f*noise_suppress); in compute_gain_floor()
387 gain_floor[i] = FRAC_SCALING*sqrt(noise_floor*PSHR32(noise[i],NOISE_SHIFT) + echo_floor*echo[i])/sqrt(1+PSHR32(noise[i],NOISE_SHIFT) + echo[i]); in compute_gain_floor()
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