diff --git a/webrtc/voice_engine/test/auto_test/standard/mixing_test.cc b/webrtc/voice_engine/test/auto_test/standard/mixing_test.cc
index 6a90c07e68..31d71dd7fc 100644
--- a/webrtc/voice_engine/test/auto_test/standard/mixing_test.cc
+++ b/webrtc/voice_engine/test/auto_test/standard/mixing_test.cc
@@ -189,13 +189,13 @@ class MixingTest : public AfterInitializationFixture {
 };
 
 // These tests assume a maximum of three mixed participants. We typically allow
-// a +/- 10% range around the expected output level to account for distortion
+// a +/- 15% range around the expected output level to account for distortion
 // from coding and processing in the loopback chain.
 TEST_F(MixingTest, FourChannelsWithOnlyThreeMixed) {
   const int16_t kInputValue = 1000;
   const int16_t kExpectedOutput = kInputValue * 3;
-  RunMixingTest(4, 0, 4, kInputValue, 1.1 * kExpectedOutput,
-                0.9 * kExpectedOutput);
+  RunMixingTest(4, 0, 4, kInputValue, 1.15 * kExpectedOutput,
+                0.85 * kExpectedOutput);
 }
 
 // Ensure the mixing saturation protection is working. We can do this because
@@ -207,8 +207,8 @@ TEST_F(MixingTest, VerifySaturationProtection) {
   // If this isn't satisfied, we're not testing anything.
   ASSERT_GT(kInputValue * 3, kInt16Max);
   ASSERT_LT(1.1 * kExpectedOutput, kInt16Max);
-  RunMixingTest(3, 0, 3, kInputValue, 1.1 * kExpectedOutput,
-               0.9 * kExpectedOutput);
+  RunMixingTest(3, 0, 3, kInputValue, 1.15 * kExpectedOutput,
+               0.85 * kExpectedOutput);
 }
 
 TEST_F(MixingTest, SaturationProtectionHasNoEffectOnOneChannel) {
@@ -224,22 +224,22 @@ TEST_F(MixingTest, SaturationProtectionHasNoEffectOnOneChannel) {
 TEST_F(MixingTest, VerifyAnonymousAndNormalParticipantMixing) {
   const int16_t kInputValue = 1000;
   const int16_t kExpectedOutput = kInputValue * 2;
-  RunMixingTest(1, 1, 1, kInputValue, 1.1 * kExpectedOutput,
-                0.9 * kExpectedOutput);
+  RunMixingTest(1, 1, 1, kInputValue, 1.15 * kExpectedOutput,
+                0.85 * kExpectedOutput);
 }
 
 TEST_F(MixingTest, AnonymousParticipantsAreAlwaysMixed) {
   const int16_t kInputValue = 1000;
   const int16_t kExpectedOutput = kInputValue * 4;
-  RunMixingTest(3, 1, 3, kInputValue, 1.1 * kExpectedOutput,
-                0.9 * kExpectedOutput);
+  RunMixingTest(3, 1, 3, kInputValue, 1.15 * kExpectedOutput,
+                0.85 * kExpectedOutput);
 }
 
 TEST_F(MixingTest, VerifyStereoAndMonoMixing) {
   const int16_t kInputValue = 1000;
   const int16_t kExpectedOutput = kInputValue * 2;
-  RunMixingTest(2, 0, 1, kInputValue, 1.1 * kExpectedOutput,
-                0.9 * kExpectedOutput);
+  RunMixingTest(2, 0, 1, kInputValue, 1.15 * kExpectedOutput,
+                0.85 * kExpectedOutput);
 }
 
 }  // namespace webrtc