diff --git a/include/media/stagefright/AudioSource.h b/include/media/stagefright/AudioSource.h
index a5cec78..d484d60 100644
--- a/include/media/stagefright/AudioSource.h
+++ b/include/media/stagefright/AudioSource.h
@@ -54,11 +54,11 @@
 
         // After the initial mute, we raise the volume linearly
         // over kAutoRampDurationUs.
-        kAutoRampDurationUs = 300000,
+        kAutoRampDurationUs = 700000,
 
         // This is the initial mute duration to suppress
         // the video recording signal tone
-        kAutoRampStartUs = 700000,
+        kAutoRampStartUs = 1000000,
       };
 
     AudioRecord *mRecord;