Fix normalization of noise estimate in NoiseSuppressor

webrtc/modules/audio_processing/ns/nsx_core.h

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 59 matching lines @@
   // Initial magnitude spectrum estimate.
   uint32_t                initMagnEst[HALF_ANAL_BLOCKL];
   // Pink noise parameters:
   int32_t                 pinkNoiseNumerator;  // Numerator.
   int32_t                 pinkNoiseExp;  // Power of freq.
   int                     minNorm;  // Smallest normalization factor.
   int                     zeroInputSignal;  // Zero input signal flag.
 
   // Noise spectrum from previous frame.
   uint32_t                prevNoiseU32[HALF_ANAL_BLOCKL];
+  uint16_t                prevNoiseU16[HALF_ANAL_BLOCKL];
   // Magnitude spectrum from previous frame.
   uint16_t                prevMagnU16[HALF_ANAL_BLOCKL];
   // Prior speech/noise probability in Q14.
   int16_t                 priorNonSpeechProb;
 
   int                     blockIndex;  // Frame index counter.
   // Parameter for updating or estimating thresholds/weights for prior model.
   int                     modelUpdate;
   int                     cntThresUpdate;
 
@@ skipping 164 matching lines @@
                                 int factor);
 #endif
 
 #endif
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif  // WEBRTC_MODULES_AUDIO_PROCESSING_NS_MAIN_SOURCE_NSX_CORE_H_