commit 4483232f57ebdc444bf045120c302235a211e737
author Chung-yih Wang <cywang@google.com> Fri Oct 08 06:06:56 2010 +0800
committer Chung-yih Wang <cywang@google.com> Fri Oct 08 06:09:07 2010 +0800
tree 0ac428c75ced0ebbae82390385df0295182d4f7f
parent a1bf0a06b26ecc039adfdb98eab6fb984d5d5571

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

Change-Id: Ia3ce98eedd487a9e879ff0a4907b8c15b5707429

voip/jni/rtp/EchoSuppressor.cpp

diff --git a/voip/jni/rtp/EchoSuppressor.cpp b/voip/jni/rtp/EchoSuppressor.cpp
index a1a7aed..ad63cd6 100644
--- a/voip/jni/rtp/EchoSuppressor.cpp
+++ b/voip/jni/rtp/EchoSuppressor.cpp
@@ -157,11 +157,12 @@
     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.