blob: 98956307b884a310d5226ac3ace8ecf6754ab472 [file] [log] [blame]
* 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.
* This function mixes a voiced signal with an unvoiced signal and
* updates the weight on a sample by sample basis.
#include "dsp_helpfunctions.h"
#include "signal_processing_library.h"
void WebRtcNetEQ_MixVoiceUnvoice(WebRtc_Word16 *pw16_outData, WebRtc_Word16 *pw16_voicedVec,
WebRtc_Word16 *pw16_unvoicedVec,
WebRtc_Word16 *w16_current_vfraction,
WebRtc_Word16 w16_vfraction_change, WebRtc_Word16 N)
int i;
WebRtc_Word16 w16_tmp2;
WebRtc_Word16 vfraction = *w16_current_vfraction;
w16_tmp2 = 16384 - vfraction;
for (i = 0; i < N; i++)
pw16_outData[i] = (WebRtc_Word16) WEBRTC_SPL_RSHIFT_W32(
WEBRTC_SPL_MUL_16_16(vfraction, pw16_voicedVec[i]) +
WEBRTC_SPL_MUL_16_16(w16_tmp2, pw16_unvoicedVec[i]) + 8192,
vfraction -= w16_vfraction_change;
w16_tmp2 += w16_vfraction_change;
*w16_current_vfraction = vfraction;