1470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com/* 2470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. 3470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * 4470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * Use of this source code is governed by a BSD-style license 5470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * that can be found in the LICENSE file in the root of the source 6470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * tree. An additional intellectual property rights grant can be found 7470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * in the file PATENTS. All contributing project authors may 8470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com * be found in the AUTHORS file in the root of the source tree. 9470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com */ 10470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 11470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_ 12470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_ 13470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 14470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define BLOCKL_MAX 160 // max processing block length: 160 15470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define ANAL_BLOCKL_MAX 256 // max analysis block length: 256 16470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define HALF_ANAL_BLOCKL 129 // half max analysis block length + 1 17c5ebbd98f5996db0defbbfc14f5ca41e620bd7e4aluebs@webrtc.org#define NUM_HIGH_BANDS_MAX 2 // max number of high bands: 2 18470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 19470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define QUANTILE (float)0.25 20470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 21470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SIMULT 3 22470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define END_STARTUP_LONG 200 23470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define END_STARTUP_SHORT 50 24470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define FACTOR (float)40.0 25470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define WIDTH (float)0.01 26470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 27470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com// Length of fft work arrays. 28470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define IP_LENGTH (ANAL_BLOCKL_MAX >> 1) // must be at least ceil(2 + sqrt(ANAL_BLOCKL_MAX/2)) 29470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define W_LENGTH (ANAL_BLOCKL_MAX >> 1) 30470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com 31470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com//PARAMETERS FOR NEW METHOD 32470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define DD_PR_SNR (float)0.98 // DD update of prior SNR 33470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define LRT_TAVG (float)0.50 // tavg parameter for LRT (previously 0.90) 34470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SPECT_FL_TAVG (float)0.30 // tavg parameter for spectral flatness measure 35470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SPECT_DIFF_TAVG (float)0.30 // tavg parameter for spectral difference measure 36470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define PRIOR_UPDATE (float)0.10 // update parameter of prior model 37470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define NOISE_UPDATE (float)0.90 // update parameter for noise 38470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SPEECH_UPDATE (float)0.99 // update parameter when likely speech 39470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define WIDTH_PR_MAP (float)4.0 // width parameter in sigmoid map for prior model 40470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define LRT_FEATURE_THR (float)0.5 // default threshold for LRT feature 41470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SF_FEATURE_THR (float)0.5 // default threshold for Spectral Flatness feature 42470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define SD_FEATURE_THR (float)0.5 // default threshold for Spectral Difference feature 43470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define PROB_RANGE (float)0.20 // probability threshold for noise state in 44470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com // speech/noise likelihood 45470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define HIST_PAR_EST 1000 // histogram size for estimation of parameters 46470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define GAMMA_PAUSE (float)0.05 // update for conservative noise estimate 47470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com// 48470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#define B_LIM (float)0.5 // threshold in final energy gain factor calculation 49470e71d3649f6cac4688e83819640b012b5d38bbniklase@google.com#endif // WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_ 50