Fixing a comment on AEC divergence metric.
BUG=
R=henrik.lundin@webrtc.org
Review URL: https://codereview.webrtc.org/2102603002 .
Cr-Original-Commit-Position: refs/heads/master@{#13297}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: e01000b9a48eab52b6f5adca17f704c3d3aa2e92
diff --git a/modules/audio_processing/aec/aec_core.cc b/modules/audio_processing/aec/aec_core.cc
index fb1a7a5..08079b8 100644
--- a/modules/audio_processing/aec/aec_core.cc
+++ b/modules/audio_processing/aec/aec_core.cc
@@ -74,9 +74,9 @@
static const int kDelayMetricsAggregationWindow = 1250; // 5 seconds at 16 kHz.
// Divergence metric is based on audio level, which gets updated every
-// |kCountLen + 1| * 10 milliseconds. Divergence metric takes the statistics of
-// |kDivergentFilterFractionAggregationWindowSize| samples. Current value
-// corresponds to 1 second at 16 kHz.
+// |kSubCountLen + 1| * PART_LEN samples. Divergence metric takes the statistics
+// of |kDivergentFilterFractionAggregationWindowSize| audio levels. The
+// following value corresponds to 1 second at 16 kHz.
static const int kDivergentFilterFractionAggregationWindowSize = 50;
// Quantities to control H band scaling for SWB input
