| adaptive_fir_filter.cc |
|
27489 |
| adaptive_fir_filter.h |
|
7041 |
| adaptive_fir_filter_avx2.cc |
|
7444 |
| adaptive_fir_filter_erl.cc |
|
3404 |
| adaptive_fir_filter_erl.h |
|
1789 |
| adaptive_fir_filter_erl_avx2.cc |
|
1356 |
| adaptive_fir_filter_erl_gn |
|
|
| adaptive_fir_filter_erl_unittest.cc |
|
3152 |
| adaptive_fir_filter_gn |
|
|
| adaptive_fir_filter_unittest.cc |
|
24321 |
| aec_state.cc |
power_spectrum_scaling= |
20165 |
| aec_state.h |
|
11537 |
| aec_state_unittest.cc |
|
12109 |
| aec3_avx2_gn |
|
|
| aec3_common.cc |
|
1651 |
| aec3_common.h |
visual c++ |
4256 |
| aec3_common_gn |
|
|
| aec3_fft.cc |
|
6496 |
| aec3_fft.h |
|
2347 |
| aec3_fft_gn |
|
|
| aec3_fft_unittest.cc |
|
5916 |
| aec3_gn |
|
|
| alignment_mixer.cc |
band= |
5787 |
| alignment_mixer.h |
|
2025 |
| alignment_mixer_unittest.cc |
downmix |
7221 |
| api_call_jitter_metrics.cc |
|
4062 |
| api_call_jitter_metrics.h |
|
1633 |
| api_call_jitter_metrics_unittest.cc |
|
3545 |
| block.h |
|
2870 |
| block_buffer.cc |
|
792 |
| block_buffer.h |
|
1887 |
| block_delay_buffer.cc |
|
2395 |
| block_delay_buffer.h |
|
1309 |
| block_delay_buffer_unittest.cc |
|
3591 |
| block_framer.cc |
|
3314 |
| block_framer.h |
|
1816 |
| block_framer_unittest.cc |
|
13458 |
| block_processor.cc |
num_render_channels |
11681 |
| block_processor.h |
|
3349 |
| block_processor_metrics.cc |
|
3002 |
| block_processor_metrics.h |
|
1467 |
| block_processor_metrics_unittest.cc |
|
1088 |
| block_processor_unittest.cc |
neural_residual_echo_estimator= |
15252 |
| BUILD.gn |
|
12629 |
| clockdrift_detector.cc |
|
2023 |
| clockdrift_detector.h |
|
1158 |
| clockdrift_detector_unittest.cc |
|
1913 |
| coarse_filter_update_gain.cc |
|
3448 |
| coarse_filter_update_gain.h |
|
2590 |
| coarse_filter_update_gain_unittest.cc |
band= |
10860 |
| comfort_noise_generator.cc |
|
6902 |
| comfort_noise_generator.h |
|
2670 |
| comfort_noise_generator_unittest.cc |
|
2284 |
| config_selector.cc |
|
2354 |
| config_selector.h |
|
1332 |
| config_selector_unittest.cc |
num_render_input_channels= |
4444 |
| decimator.cc |
|
3555 |
| decimator.h |
|
1196 |
| decimator_unittest.cc |
|
4580 |
| delay_estimate.h |
|
953 |
| DEPS |
|
69 |
| dominant_nearend_detector.cc |
|
3245 |
| dominant_nearend_detector.h |
|
2066 |
| downsampled_render_buffer.cc |
|
864 |
| downsampled_render_buffer.h |
|
1852 |
| echo_audibility.cc |
band= |
4551 |
| echo_audibility.h |
|
3093 |
| echo_canceller3.cc |
key= |
43108 |
| echo_canceller3.h |
|
9359 |
| echo_canceller3_unittest.cc |
num_bands |
53113 |
| echo_path_delay_estimator.cc |
|
5336 |
| echo_path_delay_estimator.h |
|
2903 |
| echo_path_delay_estimator_unittest.cc |
num_bands= |
7669 |
| echo_path_variability.cc |
|
813 |
| echo_path_variability.h |
|
1068 |
| echo_path_variability_unittest.cc |
|
1860 |
| echo_remover.cc |
|
23515 |
| echo_remover.h |
|
2500 |
| echo_remover_metrics.cc |
comfort_noise_spectrum |
6222 |
| echo_remover_metrics.h |
|
2493 |
| echo_remover_metrics_unittest.cc |
|
6082 |
| echo_remover_unittest.cc |
neural_residual_echo_estimator= |
9144 |
| erl_estimator.cc |
channel= |
5125 |
| erl_estimator.h |
|
1782 |
| erl_estimator_unittest.cc |
|
3874 |
| erle_estimator.cc |
onset_compensated= |
3656 |
| erle_estimator.h |
onset_compensated= |
4335 |
| erle_estimator_unittest.cc |
|
12248 |
| fft_buffer.cc |
|
906 |
| fft_buffer.h |
|
1869 |
| fft_data.h |
|
3373 |
| fft_data_avx2.cc |
|
1241 |
| fft_data_gn |
|
|
| fft_data_unittest.cc |
|
5184 |
| filter_analyzer.cc |
|
10645 |
| filter_analyzer.h |
|
4395 |
| filter_analyzer_unittest.cc |
|
1051 |
| frame_blocker.cc |
|
3114 |
| frame_blocker.h |
|
1634 |
| frame_blocker_unittest.cc |
|
17001 |
| fullband_erle_estimator.cc |
|
6715 |
| fullband_erle_estimator.h |
|
4150 |
| matched_filter.cc |
|
31978 |
| matched_filter.h |
|
6235 |
| matched_filter_avx2.cc |
|
10043 |
| matched_filter_gn |
|
|
| matched_filter_lag_aggregator.cc |
|
7759 |
| matched_filter_lag_aggregator.h |
|
3374 |
| matched_filter_lag_aggregator_unittest.cc |
max_filter_lag= |
4172 |
| matched_filter_unittest.cc |
|
23891 |
| mock |
|
|
| moving_average.cc |
|
1749 |
| moving_average.h |
|
1274 |
| moving_average_unittest.cc |
|
3264 |
| multi_channel_content_detector.cc |
|
5516 |
| multi_channel_content_detector.h |
|
3483 |
| multi_channel_content_detector_unittest.cc |
detect_stereo_content= |
19481 |
| nearend_detector.h |
|
1383 |
| neural_feature_extractor.cc |
|
3554 |
| neural_feature_extractor.h |
|
1632 |
| neural_feature_extractor_unittest.cc |
Python script used to generate the test data:
import numpy as np
from typing import List
def python_feature_extractor(time_frame: np.ndarray) -> np.ndarray:
frame_length: int = 256
sqrt_hann: np.ndarray = np.sqrt(np.hanning(frame_length))
magnitude_spectrum: np.ndarray = np.abs(np.fft.rfft(time_frame * sqrt_hann))
return np.power(magnitude_spectrum + 1e-8, 0.3)
def format_as_cpp_array(data: np.ndarray, name: str) -> str:
elements_per_line = 6
s = f"constexpr float {name}[] = {{\n "
for i, x in enumerate(data):
s += f"{x:.8f}, "
if (i + 1) % elements_per_line == 0 and i < len(data) - 1:
s += "\n "
s = s.rstrip(", ") + "\n};"
return s
# Generate two frames of white noise
np.random.seed(0) # for reproducibility
noise1: np.ndarray = np.random.uniform(-1.0, 1.0, 256)
noise2: np.ndarray = np.random.uniform(-1.0, 1.0, 256)
# Scale to match the C++ implementation's expected input range
noise1_scaled: np.ndarray = noise1 * 32768.0
noise2_scaled: np.ndarray = noise2 * 32768.0
# Python equivalent
expected_output1: np.ndarray = python_feature_extractor(noise1)
expected_output2: np.ndarray = python_feature_extractor(noise2)
print(format_as_cpp_array(noise1_scaled, "noise1_scaled"))
print(format_as_cpp_array(noise2_scaled, "noise2_scaled"))
print(format_as_cpp_array(expected_output1, "expected_output1"))
print(format_as_cpp_array(expected_output2, "expected_output2"))
|
13503 |
| neural_residual_echo_estimator.proto |
|
555 |
| neural_residual_echo_estimator_impl.cc |
|
15695 |
| neural_residual_echo_estimator_impl.h |
|
4079 |
| neural_residual_echo_estimator_impl_unittest.cc |
frame_size= |
12909 |
| refined_filter_update_gain.cc |
|
6199 |
| refined_filter_update_gain.h |
|
3121 |
| refined_filter_update_gain_unittest.cc |
|
16724 |
| render_buffer.cc |
|
2978 |
| render_buffer.h |
|
4042 |
| render_buffer_gn |
|
|
| render_buffer_unittest.cc |
|
1584 |
| render_delay_buffer.cc |
|
19460 |
| render_delay_buffer.h |
|
2914 |
| render_delay_buffer_unittest.cc |
|
4681 |
| render_delay_controller.cc |
render_delay_buffer_delay |
6692 |
| render_delay_controller.h |
|
1864 |
| render_delay_controller_metrics.cc |
|
4384 |
| render_delay_controller_metrics.h |
|
1568 |
| render_delay_controller_metrics_unittest.cc |
|
2793 |
| render_delay_controller_unittest.cc |
num_bands=1 |
15016 |
| render_signal_analyzer.cc |
band= |
5772 |
| render_signal_analyzer.h |
|
2209 |
| render_signal_analyzer_unittest.cc |
amplitude= |
6316 |
| residual_echo_estimator.cc |
|
16499 |
| residual_echo_estimator.h |
|
3450 |
| residual_echo_estimator_unittest.cc |
neural_residual_echo_estimator= |
8544 |
| reverb_decay_estimator.cc |
|
16291 |
| reverb_decay_estimator.h |
|
3738 |
| reverb_frequency_response.cc |
|
3474 |
| reverb_frequency_response.h |
|
1830 |
| reverb_model.cc |
|
1572 |
| reverb_model.h |
|
1954 |
| reverb_model_estimator.cc |
|
2692 |
| reverb_model_estimator.h |
|
2611 |
| reverb_model_estimator_unittest.cc |
mild= |
5857 |
| signal_dependent_erle_estimator.cc |
|
18651 |
| signal_dependent_erle_estimator.h |
|
4328 |
| signal_dependent_erle_estimator_unittest.cc |
band= |
7976 |
| spectrum_buffer.cc |
|
1014 |
| spectrum_buffer.h |
|
2000 |
| stationarity_estimator.cc |
|
8510 |
| stationarity_estimator.h |
|
4048 |
| subband_erle_estimator.cc |
|
9350 |
| subband_erle_estimator.h |
|
3981 |
| subband_nearend_detector.cc |
residual_echo_spectrum |
3056 |
| subband_nearend_detector.h |
|
2061 |
| subtractor.cc |
|
15052 |
| subtractor.h |
|
5751 |
| subtractor_output.cc |
|
1979 |
| subtractor_output.h |
|
1580 |
| subtractor_output_analyzer.cc |
|
2643 |
| subtractor_output_analyzer.h |
|
1446 |
| subtractor_unittest.cc |
num_bands= |
14115 |
| suppression_filter.cc |
|
7757 |
| suppression_filter.h |
|
1810 |
| suppression_filter_unittest.cc |
band= |
8901 |
| suppression_gain.cc |
|
19518 |
| suppression_gain.h |
|
5452 |
| suppression_gain_unittest.cc |
|
6628 |
| transparent_mode.cc |
filter_delay_blocks |
9365 |
| transparent_mode.h |
|
1614 |
| vector_math.h |
|
6829 |
| vector_math_avx2.cc |
|
2221 |
| vector_math_gn |
|
|
| vector_math_unittest.cc |
|
6356 |