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diff --git a/src/common_audio/vad/main/source/vad_const.h b/src/common_audio/vad/main/source/vad_const.h
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--- a/src/common_audio/vad/main/source/vad_const.h
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-/*
- * 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 header file includes the declarations of the internally used constants.
- */
-
-#ifndef WEBRTC_VAD_CONST_H_
-#define WEBRTC_VAD_CONST_H_
-
-#include "typedefs.h"
-
-// TODO(ajm): give these internal-linkage by moving to the appropriate file
-// where possible, and otherwise tag with WebRtcVad_.
-
-// Spectrum Weighting
-extern const WebRtc_Word16 kSpectrumWeight[];
-extern const WebRtc_Word16 kCompVar;
-// Logarithm constant
-extern const WebRtc_Word16 kLogConst;
-extern const WebRtc_Word16 kLog10Const;
-// Q15
-extern const WebRtc_Word16 kNoiseUpdateConst;
-extern const WebRtc_Word16 kSpeechUpdateConst;
-// Q8
-extern const WebRtc_Word16 kBackEta;
-// Coefficients used by WebRtcVad_HpOutput, Q14
-extern const WebRtc_Word16 kHpZeroCoefs[];
-extern const WebRtc_Word16 kHpPoleCoefs[];
-// Allpass filter coefficients, upper and lower, in Q15 resp. Q13
-extern const WebRtc_Word16 kAllPassCoefsQ15[];
-extern const WebRtc_Word16 kAllPassCoefsQ13[];
-// Minimum difference between the two models, Q5
-extern const WebRtc_Word16 kMinimumDifference[];
-// Maximum value when updating the speech model, Q7
-extern const WebRtc_Word16 kMaximumSpeech[];
-// Minimum value for mean value
-extern const WebRtc_Word16 kMinimumMean[];
-// Upper limit of mean value for noise model, Q7
-extern const WebRtc_Word16 kMaximumNoise[];
-// Adjustment for division with two in WebRtcVad_SplitFilter
-extern const WebRtc_Word16 kOffsetVector[];
-// Start values for the Gaussian models, Q7
-extern const WebRtc_Word16 kNoiseDataWeights[];
-extern const WebRtc_Word16 kSpeechDataWeights[];
-extern const WebRtc_Word16 kNoiseDataMeans[];
-extern const WebRtc_Word16 kSpeechDataMeans[];
-extern const WebRtc_Word16 kNoiseDataStds[];
-extern const WebRtc_Word16 kSpeechDataStds[];
-
-#endif // WEBRTC_VAD_CONST_H_