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Diffstat (limited to 'src/modules/audio_processing/ns/main/source/nsx_core.h')
| -rw-r--r-- | src/modules/audio_processing/ns/main/source/nsx_core.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/modules/audio_processing/ns/main/source/nsx_core.h b/src/modules/audio_processing/ns/main/source/nsx_core.h deleted file mode 100644 index 2e74303505..0000000000 --- a/src/modules/audio_processing/ns/main/source/nsx_core.h +++ /dev/null @@ -1,169 +0,0 @@ -/* - * 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_NSX_CORE_H_ -#define WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_NSX_CORE_H_ - -#include "typedefs.h" -#include "signal_processing_library.h" - -#include "nsx_defines.h" - -#ifdef NS_FILEDEBUG -#include <stdio.h> -#endif - -typedef struct NsxInst_t_ -{ - WebRtc_UWord32 fs; - - const WebRtc_Word16* window; - WebRtc_Word16 analysisBuffer[ANAL_BLOCKL_MAX]; - WebRtc_Word16 synthesisBuffer[ANAL_BLOCKL_MAX]; - WebRtc_UWord16 noiseSupFilter[HALF_ANAL_BLOCKL]; - WebRtc_UWord16 overdrive; /* Q8 */ - WebRtc_UWord16 denoiseBound; /* Q14 */ - const WebRtc_Word16* factor2Table; - WebRtc_Word16 noiseEstLogQuantile[SIMULT * HALF_ANAL_BLOCKL]; - WebRtc_Word16 noiseEstDensity[SIMULT * HALF_ANAL_BLOCKL]; - WebRtc_Word16 noiseEstCounter[SIMULT]; - WebRtc_Word16 noiseEstQuantile[HALF_ANAL_BLOCKL]; - - WebRtc_Word16 anaLen; - int anaLen2; - int magnLen; - int aggrMode; - int stages; - int initFlag; - int gainMap; - - WebRtc_Word32 maxLrt; - WebRtc_Word32 minLrt; - WebRtc_Word32 logLrtTimeAvgW32[HALF_ANAL_BLOCKL]; //log lrt factor with time-smoothing in Q8 - WebRtc_Word32 featureLogLrt; - WebRtc_Word32 thresholdLogLrt; - WebRtc_Word16 weightLogLrt; - - WebRtc_UWord32 featureSpecDiff; - WebRtc_UWord32 thresholdSpecDiff; - WebRtc_Word16 weightSpecDiff; - - WebRtc_UWord32 featureSpecFlat; - WebRtc_UWord32 thresholdSpecFlat; - WebRtc_Word16 weightSpecFlat; - - WebRtc_Word32 avgMagnPause[HALF_ANAL_BLOCKL]; //conservative estimate of noise spectrum - WebRtc_UWord32 magnEnergy; - WebRtc_UWord32 sumMagn; - WebRtc_UWord32 curAvgMagnEnergy; - WebRtc_UWord32 timeAvgMagnEnergy; - WebRtc_UWord32 timeAvgMagnEnergyTmp; - - WebRtc_UWord32 whiteNoiseLevel; //initial noise estimate - WebRtc_UWord32 initMagnEst[HALF_ANAL_BLOCKL];//initial magnitude spectrum estimate - WebRtc_Word32 pinkNoiseNumerator; //pink noise parameter: numerator - WebRtc_Word32 pinkNoiseExp; //pink noise parameter: power of freq - int minNorm; //smallest normalization factor - int zeroInputSignal; //zero input signal flag - - WebRtc_UWord32 prevNoiseU32[HALF_ANAL_BLOCKL]; //noise spectrum from previous frame - WebRtc_UWord16 prevMagnU16[HALF_ANAL_BLOCKL]; //magnitude spectrum from previous frame - WebRtc_Word16 priorNonSpeechProb; //prior speech/noise probability // Q14 - - int blockIndex; //frame index counter - int modelUpdate; //parameter for updating or estimating thresholds/weights for prior model - int cntThresUpdate; - - //histograms for parameter estimation - WebRtc_Word16 histLrt[HIST_PAR_EST]; - WebRtc_Word16 histSpecFlat[HIST_PAR_EST]; - WebRtc_Word16 histSpecDiff[HIST_PAR_EST]; - - //quantities for high band estimate - WebRtc_Word16 dataBufHBFX[ANAL_BLOCKL_MAX]; /* Q0 */ - - int qNoise; - int prevQNoise; - int prevQMagn; - int blockLen10ms; - - WebRtc_Word16 real[ANAL_BLOCKL_MAX]; - WebRtc_Word16 imag[ANAL_BLOCKL_MAX]; - WebRtc_Word32 energyIn; - int scaleEnergyIn; - int normData; - -} NsxInst_t; - -#ifdef __cplusplus -extern "C" -{ -#endif - -/**************************************************************************** - * WebRtcNsx_InitCore(...) - * - * This function initializes a noise suppression instance - * - * Input: - * - inst : Instance that should be initialized - * - fs : Sampling frequency - * - * Output: - * - inst : Initialized instance - * - * Return value : 0 - Ok - * -1 - Error - */ -WebRtc_Word32 WebRtcNsx_InitCore(NsxInst_t *inst, WebRtc_UWord32 fs); - -/**************************************************************************** - * WebRtcNsx_set_policy_core(...) - * - * This changes the aggressiveness of the noise suppression method. - * - * Input: - * - inst : Instance that should be initialized - * - mode : 0: Mild (6 dB), 1: Medium (10 dB), 2: Aggressive (15 dB) - * - * Output: - * - NS_inst : Initialized instance - * - * Return value : 0 - Ok - * -1 - Error - */ -int WebRtcNsx_set_policy_core(NsxInst_t *inst, int mode); - -/**************************************************************************** - * WebRtcNsx_ProcessCore - * - * Do noise suppression. - * - * Input: - * - inst : Instance that should be initialized - * - inFrameLow : Input speech frame for lower band - * - inFrameHigh : Input speech frame for higher band - * - * Output: - * - inst : Updated instance - * - outFrameLow : Output speech frame for lower band - * - outFrameHigh : Output speech frame for higher band - * - * Return value : 0 - OK - * -1 - Error - */ -int WebRtcNsx_ProcessCore(NsxInst_t *inst, short *inFrameLow, short *inFrameHigh, - short *outFrameLow, short *outFrameHigh); - -#ifdef __cplusplus -} -#endif - -#endif // WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_NSX_CORE_H_ |