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Update the alpha value in the echo detector.

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BUG=webrtc:6525

Review-Url: https://codereview.webrtc.org/2506643002
Cr-Commit-Position: refs/heads/master@{#15136}
This commit is contained in:
ivoc 2016-11-17 07:10:16 -08:00 committed by Commit bot
parent 42043b9587
commit 765edc3425
4 changed files with 7 additions and 7 deletions
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2
webrtc/modules/audio_processing/echo_detector/mean_variance_estimator.cc
View File

@ -18,7 +18,7 @@ namespace webrtc {
namespace {
// Parameter controlling the adaptation speed.
constexpr float kAlpha = 0.01f;
constexpr float kAlpha = 0.001f;
} // namespace

6
webrtc/modules/audio_processing/echo_detector/mean_variance_estimator_unittest.cc
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@ -31,7 +31,7 @@ TEST(MeanVarianceEstimatorTests, InsertTwoValues) {
TEST(MeanVarianceEstimatorTests, InsertZeroes) {
MeanVarianceEstimator test_estimator;
// Insert the same value many times.
for (size_t i = 0; i < 10000; i++) {
for (size_t i = 0; i < 20000; i++) {
test_estimator.Update(0.f);
}
EXPECT_EQ(test_estimator.mean(), 0.f);
@ -40,7 +40,7 @@ TEST(MeanVarianceEstimatorTests, InsertZeroes) {
TEST(MeanVarianceEstimatorTests, ConstantValueTest) {
MeanVarianceEstimator test_estimator;
for (size_t i = 0; i < 10000; i++) {
for (size_t i = 0; i < 20000; i++) {
test_estimator.Update(3.f);
}
// The mean should be close to three, and the standard deviation should be
@ -51,7 +51,7 @@ TEST(MeanVarianceEstimatorTests, ConstantValueTest) {
TEST(MeanVarianceEstimatorTests, AlternatingValueTest) {
MeanVarianceEstimator test_estimator;
for (size_t i = 0; i < 10000; i++) {
for (size_t i = 0; i < 20000; i++) {
test_estimator.Update(1.f);
test_estimator.Update(-1.f);
}

2
webrtc/modules/audio_processing/echo_detector/normalized_covariance_estimator.cc
View File

@ -14,7 +14,7 @@ namespace webrtc {
namespace {
// Parameter controlling the adaptation speed.
constexpr float kAlpha = 0.01f;
constexpr float kAlpha = 0.001f;
} // namespace

4
webrtc/modules/audio_processing/residual_echo_detector_unittest.cc
View File

@ -91,8 +91,8 @@ TEST(ResidualEchoDetectorTests, EchoWithRenderClockDrift) {
// render buffer, clock drift can only be discovered after a certain delay.
// A growing buffer can be caused by jitter or clock drift and it's not
// possible to make this decision right away. For this reason we only expect
// an echo likelihood of 80% in this test.
EXPECT_GT(echo_detector.echo_likelihood(), 0.8f);
// an echo likelihood of 75% in this test.
EXPECT_GT(echo_detector.echo_likelihood(), 0.75f);
}
TEST(ResidualEchoDetectorTests, EchoWithCaptureClockDrift) {