Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / third_party / webrtc / modules / audio_processing / ns / include / noise_suppression.h

diff --git a/src/third_party/webrtc/modules/audio_processing/ns/include/noise_suppression.h b/src/third_party/webrtc/modules/audio_processing/ns/include/noise_suppression.h
index 3cf889e..093f118 100644 (file)
--- a/src/third_party/webrtc/modules/audio_processing/ns/include/noise_suppression.h
+++ b/src/third_party/webrtc/modules/audio_processing/ns/include/noise_suppression.h
@@ -79,6 +79,21 @@ int WebRtcNs_Init(NsHandle* NS_inst, uint32_t fs);
  */
 int WebRtcNs_set_policy(NsHandle* NS_inst, int mode);
 
+/*
+ * This functions estimates the background noise for the inserted speech frame.
+ * The input and output signals should always be 10ms (80 or 160 samples).
+ *
+ * Input
+ *      - NS_inst       : Noise suppression instance.
+ *      - spframe       : Pointer to speech frame buffer for L band
+ *
+ * Output:
+ *      - NS_inst       : Updated NS instance
+ *
+ * Return value         :  0 - OK
+ *                        -1 - Error
+ */
+int WebRtcNs_Analyze(NsHandle* NS_inst, float* spframe);
 
 /*
  * This functions does Noise Suppression for the inserted speech frame. The