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Pull out the PostFilter to its own NonlinearBeamformer API

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This is done to avoid having a nonlinear component in the AEC path.
Now the linear delay and sum is run before the AEC and the postfilter after it.

This change landed originally at: https://codereview.webrtc.org/1982183002/

R=peah@webrtc.org
TBR=henrik.lundin@webrtc.org

Review URL: https://codereview.webrtc.org/2110593003 .

Cr-Commit-Position: refs/heads/master@{#13371}
This commit is contained in:
Alejandro Luebs
2016-07-01 17:19:09 -07:00
parent 1aa821980d
commit f4022ffa1a
13 changed files with 193 additions and 186 deletions
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webrtc/modules/audio_processing/audio_processing.gypi
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@ -66,7 +66,6 @@
'audio_processing_impl.h',
'beamformer/array_util.cc',
'beamformer/array_util.h',
'beamformer/beamformer.h',
'beamformer/complex_matrix.h',
'beamformer/covariance_matrix_generator.cc',
'beamformer/covariance_matrix_generator.h',