zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Support 48kHz in Noise Suppression

Browse Source 
Doing the same for the 16-24kHz band than was done in the 8-16kHz.
Results look and sound as nice.

BUG=webrtc:3146
R=andrew@webrtc.org, bjornv@webrtc.org, kwiberg@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/29139004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7865 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
aluebs@webrtc.org
2014-12-10 19:30:57 +00:00
parent d8ca723de7
commit c5ebbd98f5
17 changed files with 240 additions and 219 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
webrtc/modules/audio_processing/ns/include/noise_suppression.h
View File

@ -89,11 +89,8 @@ int WebRtcNs_set_policy(NsHandle* NS_inst, int mode);
*
* Output:
* - NS_inst : Updated NS instance
*
* Return value : 0 - OK
* -1 - Error
*/
int WebRtcNs_Analyze(NsHandle* NS_inst, float* spframe);
void WebRtcNs_Analyze(NsHandle* NS_inst, const float* spframe);
/*
* This functions does Noise Suppression for the inserted speech frame. The
@ -101,23 +98,17 @@ int WebRtcNs_Analyze(NsHandle* NS_inst, float* spframe);
*
* Input
* - NS_inst : Noise suppression instance.
* - spframe : Pointer to speech frame buffer for L band
* - spframe_H : Pointer to speech frame buffer for H band
* - fs : sampling frequency
* - spframe : Pointer to speech frame buffer for each band
* - num_bands : Number of bands
*
* Output:
* - NS_inst : Updated NS instance
* - outframe : Pointer to output frame for L band
* - outframe_H : Pointer to output frame for H band
*
* Return value : 0 - OK
* -1 - Error
* - outframe : Pointer to output frame for each band
*/
int WebRtcNs_Process(NsHandle* NS_inst,
float* spframe,
float* spframe_H,
float* outframe,
float* outframe_H);
void WebRtcNs_Process(NsHandle* NS_inst,
const float* const* spframe,
int num_bands,
float* const* outframe);
/* Returns the internally used prior speech probability of the current frame.
* There is a frequency bin based one as well, with which this should not be