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Change high frequency correction range

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From 6kHz-6.5kHz to 3kHz-5kHz. Previous range had unreliable mask values, letting high frequencies from all directions through. The new range is wider and lower, which results in better estimates.

R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/47089004

Cr-Commit-Position: refs/heads/master@{#9213}
This commit is contained in:
Alejandro Luebs
2015-05-18 18:19:57 -07:00
parent 3e95d3ef39
commit 8db8069660
1 changed files with 2 additions and 2 deletions
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4
webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc
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@ -60,8 +60,8 @@ const float kMaskSmoothAlpha = 0.2f;
const int kLowAverageStartHz = 200;
const int kLowAverageEndHz = 400;
const int kHighAverageStartHz = 6000;
const int kHighAverageEndHz = 6500;
const int kHighAverageStartHz = 3000;
const int kHighAverageEndHz = 5000;
// Quantile of mask values which is used to estimate target presence.
const float kMaskQuantile = 0.3f;