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Suppress harder for echo without affecting the volume of real voice.

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Change-Id: Ia3ce98eedd487a9e879ff0a4907b8c15b5707429
This commit is contained in:
Chung-yih Wang
2010-10-08 06:06:56 +08:00
parent a1bf0a06b2
commit 4483232f57
1 changed files with 2 additions and 1 deletions
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3
voip/jni/rtp/EchoSuppressor.cpp
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@@ -157,11 +157,12 @@ void EchoSuppressor::run(int16_t *playbacked, int16_t *recorded)
if (correlation > 0.3f) { if (correlation > 0.3f) {
float factor = 1.0f - correlation; float factor = 1.0f - correlation;
factor *= factor; factor *= factor;
factor /= 2.0; // suppress harder
for (int i = 0; i < mSampleCount; ++i) { for (int i = 0; i < mSampleCount; ++i) {
recorded[i] *= factor; recorded[i] *= factor;
} }
} }
// LOGI("latency %5d, correlation %.10f", latency, correlation); //LOGI("latency %5d, correlation %.10f", latency, correlation);
// Increase RecordOffset. // Increase RecordOffset.