mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-04 23:45:14 +00:00
54 lines
2.8 KiB
C
54 lines
2.8 KiB
C
/*
|
|
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_
|
|
#define WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_
|
|
|
|
//#define PROCESS_FLOW_0 // Use the traditional method.
|
|
//#define PROCESS_FLOW_1 // Use traditional with DD estimate of prior SNR.
|
|
#define PROCESS_FLOW_2 // Use the new method of speech/noise classification.
|
|
|
|
#define BLOCKL_MAX 160 // max processing block length: 160
|
|
#define ANAL_BLOCKL_MAX 256 // max analysis block length: 256
|
|
#define HALF_ANAL_BLOCKL 129 // half max analysis block length + 1
|
|
|
|
#define QUANTILE (float)0.25
|
|
|
|
#define SIMULT 3
|
|
#define END_STARTUP_LONG 200
|
|
#define END_STARTUP_SHORT 50
|
|
#define FACTOR (float)40.0
|
|
#define WIDTH (float)0.01
|
|
|
|
#define SMOOTH (float)0.75 // filter smoothing
|
|
// Length of fft work arrays.
|
|
#define IP_LENGTH (ANAL_BLOCKL_MAX >> 1) // must be at least ceil(2 + sqrt(ANAL_BLOCKL_MAX/2))
|
|
#define W_LENGTH (ANAL_BLOCKL_MAX >> 1)
|
|
|
|
//PARAMETERS FOR NEW METHOD
|
|
#define DD_PR_SNR (float)0.98 // DD update of prior SNR
|
|
#define LRT_TAVG (float)0.50 // tavg parameter for LRT (previously 0.90)
|
|
#define SPECT_FL_TAVG (float)0.30 // tavg parameter for spectral flatness measure
|
|
#define SPECT_DIFF_TAVG (float)0.30 // tavg parameter for spectral difference measure
|
|
#define PRIOR_UPDATE (float)0.10 // update parameter of prior model
|
|
#define NOISE_UPDATE (float)0.90 // update parameter for noise
|
|
#define SPEECH_UPDATE (float)0.99 // update parameter when likely speech
|
|
#define WIDTH_PR_MAP (float)4.0 // width parameter in sigmoid map for prior model
|
|
#define LRT_FEATURE_THR (float)0.5 // default threshold for LRT feature
|
|
#define SF_FEATURE_THR (float)0.5 // default threshold for Spectral Flatness feature
|
|
#define SD_FEATURE_THR (float)0.5 // default threshold for Spectral Difference feature
|
|
#define PROB_RANGE (float)0.20 // probability threshold for noise state in
|
|
// speech/noise likelihood
|
|
#define HIST_PAR_EST 1000 // histogram size for estimation of parameters
|
|
#define GAMMA_PAUSE (float)0.05 // update for conservative noise estimate
|
|
//
|
|
#define B_LIM (float)0.5 // threshold in final energy gain factor calculation
|
|
#endif // WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_DEFINES_H_
|