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

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


    // Increase RecordOffset.