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Gustaf Ullberg 83b00f020e AEC3: Computation of comfort noise gains from suppression gains 
This change corrects the computation of the comfort noise gains.

Previously the comfort noise gain of band k, CG_k, was computed
from suppression gain of band k, SG_k, as:
CG_k = 1 - SG_k

But since the two signals are uncorrelated (the comfort noise
is randomly generated), the correct gain to maintain power is:
CG_k = sqrt(1 - SG_k^2).

Bug: webrtc:9967,chromium:902262
Change-Id: I393495742163d5e658bca4ab2f7a5067ab15af01
Reviewed-on: https://webrtc-review.googlesource.com/c/109580
Commit-Queue: Gustaf Ullberg <gustaf@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25525}
2018-11-06 16:10:52 +00:00
..
mock
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
adaptive_fir_filter_unittest.cc
Make fewer copies when using StringBuilder.
2018-09-24 09:39:19 +00:00
adaptive_fir_filter.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
adaptive_fir_filter.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
aec3_common.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
aec3_common.h
AEC3: Increasing the accuracy of the detection for early reverb
2018-07-30 22:34:19 +00:00
aec3_fft_unittest.cc
Removed the updating of the padding data buffer in the AEC3 FFT
2018-04-27 19:26:03 +00:00
aec3_fft.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
aec3_fft.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
aec_state_unittest.cc
AEC3: Changes to initial behavior and handling of saturated echo
2018-10-16 13:22:44 +00:00
aec_state.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
aec_state.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
block_delay_buffer_unittest.cc
AEC3: Adding the option for applying a fixed delay to the capture signal
2018-08-23 10:05:07 +00:00
block_delay_buffer.cc
AEC3: Adding the option for applying a fixed delay to the capture signal
2018-08-23 10:05:07 +00:00
block_delay_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
block_framer_unittest.cc
Make fewer copies when using StringBuilder.
2018-09-24 09:39:19 +00:00
block_framer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
block_framer.h
…
block_processor2.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
block_processor_metrics_unittest.cc
Reformat the WebRTC code base
2018-06-19 14:00:39 +00:00
block_processor_metrics.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
block_processor_metrics.h
…
block_processor_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
block_processor.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
block_processor.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
BUILD.gn
AEC3: changes the signal used for deciding when to update the erle so the reverb render signal is now used
2018-10-22 10:30:12 +00:00
cascaded_biquad_filter_unittest.cc
AEC3: Move decimator filters to the new notation
2018-06-07 08:09:17 +00:00
cascaded_biquad_filter.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
cascaded_biquad_filter.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
comfort_noise_generator_unittest.cc
Delete root header file typedef.h.
2018-07-25 14:59:26 +00:00
comfort_noise_generator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
comfort_noise_generator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
decimator_unittest.cc
Make fewer copies when using StringBuilder.
2018-09-24 09:39:19 +00:00
decimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
decimator.h
AEC3: Delay estimator uses bandpass filtered signal with downsampling factor 8
2018-05-25 09:31:38 +00:00
delay_estimate.h
Inform the AEC3 echo remover about the status of the estimated delay
2018-02-21 17:08:36 +00:00
downsampled_render_buffer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
downsampled_render_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_audibility.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_audibility.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_canceller3_unittest.cc
Make fewer copies when using StringBuilder.
2018-09-24 09:39:19 +00:00
echo_canceller3.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
echo_canceller3.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_path_delay_estimator_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
echo_path_delay_estimator.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
echo_path_delay_estimator.h
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
echo_path_variability_unittest.cc
Redesign of the render buffering in AEC3
2017-12-01 23:14:32 +00:00
echo_path_variability.cc
Redesign of the render buffering in AEC3
2017-12-01 23:14:32 +00:00
echo_path_variability.h
Redesign of the render buffering in AEC3
2017-12-01 23:14:32 +00:00
echo_remover_metrics_unittest.cc
Reformat the WebRTC code base
2018-06-19 14:00:39 +00:00
echo_remover_metrics.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_remover_metrics.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
echo_remover_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
echo_remover.cc
AEC3: Computation of comfort noise gains from suppression gains
2018-11-06 16:10:52 +00:00
echo_remover.h
AEC3: Adding explicit handling of microphone gain changes
2018-07-16 16:02:07 +00:00
erl_estimator_unittest.cc
AEC3: Refactor AecState
2018-10-04 15:01:18 +00:00
erl_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
erl_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
erle_estimator_unittest.cc
AEC3: Refactor AecState
2018-10-04 15:01:18 +00:00
erle_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
erle_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
fft_buffer.cc
Corrections of the render buffering scheme in AEC3 to ensure causality
2017-12-11 21:09:56 +00:00
fft_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
fft_data_unittest.cc
Delete root header file typedef.h.
2018-07-25 14:59:26 +00:00
fft_data.h
Delete root header file typedef.h.
2018-07-25 14:59:26 +00:00
filter_analyzer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
filter_analyzer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
frame_blocker_unittest.cc
Make fewer copies when using StringBuilder.
2018-09-24 09:39:19 +00:00
frame_blocker.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
frame_blocker.h
…
fullband_erle_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
fullband_erle_estimator.h
AEC3: ERLE: Allowing increases of the ERLE estimate for low render signals.
2018-09-27 10:41:10 +00:00
main_filter_update_gain_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
main_filter_update_gain.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
main_filter_update_gain.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
matched_filter_lag_aggregator_unittest.cc
AEC3: Parametrize the delay estimator to leverage strong echo paths
2018-09-06 23:01:58 +00:00
matched_filter_lag_aggregator.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
matched_filter_lag_aggregator.h
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
matched_filter_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
matched_filter.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
matched_filter.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
matrix_buffer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
matrix_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
moving_average_unittest.cc
AEC3: Unittests for MovingAverage
2018-06-19 12:45:10 +00:00
moving_average.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
moving_average.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_buffer_unittest.cc
Simplified the usage of the render buffer in AEC3
2017-12-20 14:46:36 +00:00
render_buffer.cc
Remove all remaining non-test uses of std::stringstream.
2018-09-13 08:52:05 +00:00
render_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_buffer2.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_buffer_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
render_delay_buffer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_controller2.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
render_delay_controller_metrics_unittest.cc
Replace rtc::Optional with absl::optional in modules/audio processing
2018-06-19 10:38:56 +00:00
render_delay_controller_metrics.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_controller_metrics.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_delay_controller_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
render_delay_controller.cc
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
render_delay_controller.h
AEC3: Decrease latency until the delay has been detected
2018-10-31 07:29:48 +00:00
render_reverb_model.cc
AEC3: changes the signal used for deciding when to update the erle so the reverb render signal is now used
2018-10-22 10:30:12 +00:00
render_reverb_model.h
AEC3: changes the signal used for deciding when to update the erle so the reverb render signal is now used
2018-10-22 10:30:12 +00:00
render_signal_analyzer_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
render_signal_analyzer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
render_signal_analyzer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
residual_echo_estimator_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
residual_echo_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
residual_echo_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_decay_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_decay_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_frequency_response.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_frequency_response.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_model_estimator_unittest.cc
AEC3: Increasing the accuracy of the detection for early reverb
2018-07-30 22:34:19 +00:00
reverb_model_estimator.cc
AEC3: Increasing the accuracy of the detection for early reverb
2018-07-30 22:34:19 +00:00
reverb_model_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_model_fallback.cc
AEC3: Changes to how the reverberation decay is applied.
2018-06-13 14:54:04 +00:00
reverb_model_fallback.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_model.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
reverb_model.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
shadow_filter_update_gain_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
shadow_filter_update_gain.cc
Adding a smooth transition from the startup phase parameter set in AEC3
2018-03-15 13:38:16 +00:00
shadow_filter_update_gain.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
skew_estimator_unittest.cc
Replace rtc::Optional with absl::optional in modules/audio processing
2018-06-19 10:38:56 +00:00
skew_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
skew_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
stationarity_estimator.cc
AEC3: changes the signal used for deciding when to update the erle so the reverb render signal is now used
2018-10-22 10:30:12 +00:00
stationarity_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subband_erle_estimator.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subband_erle_estimator.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subtractor_output_analyzer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subtractor_output_analyzer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subtractor_output.cc
AEC3: Changes to initial behavior and handling of saturated echo
2018-10-16 13:22:44 +00:00
subtractor_output.h
AEC3: Changes to initial behavior and handling of saturated echo
2018-10-16 13:22:44 +00:00
subtractor_unittest.cc
AEC3: Introduce partial adaptive filter resets at echo path changes
2018-10-18 10:46:06 +00:00
subtractor.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
subtractor.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
suppression_filter_unittest.cc
AEC3: Computation of comfort noise gains from suppression gains
2018-11-06 16:10:52 +00:00
suppression_filter.cc
AEC3: Computation of comfort noise gains from suppression gains
2018-11-06 16:10:52 +00:00
suppression_filter.h
AEC3: Computation of comfort noise gains from suppression gains
2018-11-06 16:10:52 +00:00
suppression_gain_limiter.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
suppression_gain_limiter.h
AEC3: Loosen the echo removal requirements in conservative mode
2018-08-19 10:43:46 +00:00
suppression_gain_unittest.cc
AEC3: Simplify render buffering
2018-10-15 13:31:50 +00:00
suppression_gain.cc
AEC3: Allow limiting dominant nearend to the non-initial phase
2018-10-24 07:15:49 +00:00
suppression_gain.h
AEC3: Allow limiting dominant nearend to the non-initial phase
2018-10-24 07:15:49 +00:00
vector_buffer.cc
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
vector_buffer.h
[Cleanup] Add missing #include. Remove useless ones.
2018-10-23 11:32:56 +00:00
vector_math_unittest.cc
Delete root header file typedef.h.
2018-07-25 14:59:26 +00:00
vector_math.h
Delete root header file typedef.h.
2018-07-25 14:59:26 +00:00