You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
268 lines
13 KiB
268 lines
13 KiB
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// todo refactor, repalce with gtest
|
|
|
|
#include "base/flags.h"
|
|
#include "base/log.h"
|
|
#include "kaldi/feat/wave-reader.h"
|
|
#include "kaldi/util/kaldi-io.h"
|
|
#include "kaldi/util/table-types.h"
|
|
|
|
#include "frontend/audio/audio_cache.h"
|
|
#include "frontend/audio/data_cache.h"
|
|
#include "frontend/audio/feature_cache.h"
|
|
#include "frontend/audio/frontend_itf.h"
|
|
#include "frontend/audio/linear_spectrogram.h"
|
|
#include "frontend/audio/normalizer.h"
|
|
|
|
DEFINE_string(wav_rspecifier, "", "test wav scp path");
|
|
DEFINE_string(feature_wspecifier, "", "output feats wspecifier");
|
|
DEFINE_string(cmvn_write_path, "./cmvn.ark", "write cmvn");
|
|
|
|
|
|
std::vector<float> mean_{
|
|
-13730251.531853663, -12982852.199316509, -13673844.299583456,
|
|
-13089406.559646806, -12673095.524938712, -12823859.223276224,
|
|
-13590267.158903603, -14257618.467152044, -14374605.116185192,
|
|
-14490009.21822485, -14849827.158924166, -15354435.470563512,
|
|
-15834149.206532761, -16172971.985514281, -16348740.496746974,
|
|
-16423536.699409386, -16556246.263649225, -16744088.772748645,
|
|
-16916184.08510357, -17054034.840031497, -17165612.509455364,
|
|
-17255955.470915023, -17322572.527648456, -17408943.862033736,
|
|
-17521554.799865916, -17620623.254924215, -17699792.395918526,
|
|
-17723364.411134344, -17741483.4433254, -17747426.888704527,
|
|
-17733315.928209435, -17748780.160905756, -17808336.883775543,
|
|
-17895918.671983004, -18009812.59173023, -18098188.66548325,
|
|
-18195798.958462656, -18293617.62980999, -18397432.92077201,
|
|
-18505834.787318766, -18585451.8100908, -18652438.235649142,
|
|
-18700960.306275308, -18734944.58792185, -18737426.313365128,
|
|
-18735347.165987637, -18738813.444170244, -18737086.848890636,
|
|
-18731576.2474336, -18717405.44095871, -18703089.25545657,
|
|
-18691014.546456724, -18692460.568905357, -18702119.628629155,
|
|
-18727710.621126678, -18761582.72034647, -18806745.835547544,
|
|
-18850674.8692112, -18884431.510951452, -18919999.992506847,
|
|
-18939303.799078144, -18952946.273760635, -18980289.22996379,
|
|
-19011610.17803294, -19040948.61805145, -19061021.429847397,
|
|
-19112055.53768819, -19149667.414264943, -19201127.05091321,
|
|
-19270250.82564605, -19334606.883057203, -19390513.336589377,
|
|
-19444176.259208687, -19502755.000038862, -19544333.014549147,
|
|
-19612668.183176614, -19681902.19006569, -19771969.951249883,
|
|
-19873329.723376893, -19996752.59235844, -20110031.131400537,
|
|
-20231658.612529557, -20319378.894054495, -20378534.45718066,
|
|
-20413332.089584175, -20438147.844177883, -20443710.248040095,
|
|
-20465457.02238927, -20488610.969337028, -20516295.16424432,
|
|
-20541423.795738827, -20553192.874953747, -20573605.50701977,
|
|
-20577871.61936797, -20571807.008916274, -20556242.38912231,
|
|
-20542199.30819195, -20521239.063551214, -20519150.80004532,
|
|
-20527204.80248933, -20536933.769257784, -20543470.522332076,
|
|
-20549700.089992985, -20551525.24958494, -20554873.406493705,
|
|
-20564277.65794227, -20572211.740052115, -20574305.69550465,
|
|
-20575494.450104576, -20567092.577932164, -20549302.929608088,
|
|
-20545445.11878376, -20546625.326603737, -20549190.03499401,
|
|
-20554824.947828256, -20568341.378989458, -20577582.331383612,
|
|
-20577980.519402675, -20566603.03458152, -20560131.592262644,
|
|
-20552166.469060015, -20549063.06763577, -20544490.562339947,
|
|
-20539817.82346569, -20528747.715731595, -20518026.24576161,
|
|
-20510977.844974525, -20506874.36087992, -20506731.11977665,
|
|
-20510482.133420516, -20507760.92101862, -20494644.834457114,
|
|
-20480107.89304893, -20461312.091867123, -20442941.75080173,
|
|
-20426123.02834838, -20424607.675283, -20426810.369107097,
|
|
-20434024.50097819, -20437404.75544205, -20447688.63916367,
|
|
-20460893.335563846, -20482922.735127095, -20503610.119434915,
|
|
-20527062.76448319, -20557830.035128627, -20593274.72068722,
|
|
-20632528.452965066, -20673637.471334763, -20733106.97143075,
|
|
-20842921.0447562, -21054357.83621519, -21416569.534189366,
|
|
-21978460.272811692, -22753170.052172784, -23671344.10563395,
|
|
-24613499.293358143, -25406477.12230188, -25884377.82156489,
|
|
-26049040.62791664, -26996879.104431007};
|
|
std::vector<float> variance_{
|
|
213747175.10846674, 188395815.34302503, 212706429.10966414,
|
|
199109025.81461075, 189235901.23864496, 194901336.53253657,
|
|
217481594.29306737, 238689869.12327808, 243977501.24115244,
|
|
248479623.6431067, 259766741.47116545, 275516766.7790273,
|
|
291271202.3691234, 302693239.8220509, 308627358.3997694,
|
|
311143911.38788426, 315446105.07731867, 321705430.9341829,
|
|
327458907.4659941, 332245072.43223983, 336251717.5935284,
|
|
339694069.7639722, 342188204.4322228, 345587110.31313115,
|
|
349903086.2875232, 353660214.20643026, 356700344.5270885,
|
|
357665362.3529641, 358493352.05658793, 358857951.620328,
|
|
358375239.52774596, 358899733.6342954, 361051818.3511561,
|
|
364361716.05025816, 368750322.3771452, 372047800.6462831,
|
|
375655861.1349018, 379358519.1980013, 383327605.3935181,
|
|
387458599.282341, 390434692.3406868, 392994486.35057056,
|
|
394874418.04603153, 396230525.79763395, 396365592.0414835,
|
|
396334819.8242737, 396488353.19250053, 396438877.00744957,
|
|
396197980.4459586, 395590921.6672991, 395001107.62072515,
|
|
394528291.7318225, 394593110.424006, 395018405.59353715,
|
|
396110577.5415993, 397506704.0371068, 399400197.4657644,
|
|
401243568.2468382, 402687134.7805103, 404136047.2872507,
|
|
404883170.001883, 405522253.219517, 406660365.3626476,
|
|
407919346.0991902, 409045348.5384909, 409759588.7889818,
|
|
411974821.8564483, 413489718.78201455, 415535392.56684107,
|
|
418466481.97674364, 421104678.35678065, 423405392.5200779,
|
|
425550570.40798235, 427929423.9579701, 429585274.253478,
|
|
432368493.55181056, 435193587.13513297, 438886855.20476013,
|
|
443058876.8633751, 448181232.5093362, 452883835.6332396,
|
|
458056721.77926534, 461816531.22735566, 464363620.1970998,
|
|
465886343.5057493, 466928872.0651, 467180536.42647296,
|
|
468111848.70714295, 469138695.3071312, 470378429.6930793,
|
|
471517958.7132626, 472109050.4262365, 473087417.0177867,
|
|
473381322.04648733, 473220195.85483915, 472666071.8998819,
|
|
472124669.87879956, 471298571.411737, 471251033.2902761,
|
|
471672676.43128747, 472177147.2193172, 472572361.7711908,
|
|
472968783.7751127, 473156295.4164052, 473398034.82676554,
|
|
473897703.5203811, 474328271.33112127, 474452670.98002136,
|
|
474549003.99284613, 474252887.13567275, 473557462.909069,
|
|
473483385.85193115, 473609738.04855174, 473746944.82085115,
|
|
474016729.91696435, 474617321.94138587, 475045097.237122,
|
|
475125402.586558, 474664112.9824912, 474426247.5800283,
|
|
474104075.42796475, 473978219.7273978, 473773171.7798875,
|
|
473578534.69508696, 473102924.16904145, 472651240.5232615,
|
|
472374383.1810912, 472209479.6956096, 472202298.8921673,
|
|
472370090.76781124, 472220933.99374026, 471625467.37106377,
|
|
470994646.51883453, 470182428.9637543, 469348211.5939578,
|
|
468570387.4467277, 468540442.7225135, 468672018.90414184,
|
|
468994346.9533251, 469138757.58201426, 469553915.95710236,
|
|
470134523.38582784, 471082421.62055486, 471962316.51804745,
|
|
472939745.1708408, 474250621.5944825, 475773933.43199486,
|
|
477465399.71087736, 479218782.61382693, 481752299.7930922,
|
|
486608947.8984568, 496119403.2067917, 512730085.5704984,
|
|
539048915.2641417, 576285298.3548826, 621610270.2240586,
|
|
669308196.4436442, 710656993.5957186, 736344437.3725077,
|
|
745481288.0241544, 801121432.9925804};
|
|
int count_ = 912592;
|
|
|
|
void WriteMatrix() {
|
|
kaldi::Matrix<double> cmvn_stats(2, mean_.size() + 1);
|
|
for (size_t idx = 0; idx < mean_.size(); ++idx) {
|
|
cmvn_stats(0, idx) = mean_[idx];
|
|
cmvn_stats(1, idx) = variance_[idx];
|
|
}
|
|
cmvn_stats(0, mean_.size()) = count_;
|
|
kaldi::WriteKaldiObject(cmvn_stats, FLAGS_cmvn_write_path, false);
|
|
}
|
|
|
|
int main(int argc, char* argv[]) {
|
|
gflags::ParseCommandLineFlags(&argc, &argv, false);
|
|
google::InitGoogleLogging(argv[0]);
|
|
|
|
kaldi::SequentialTableReader<kaldi::WaveHolder> wav_reader(
|
|
FLAGS_wav_rspecifier);
|
|
kaldi::BaseFloatMatrixWriter feat_writer(FLAGS_feature_wspecifier);
|
|
WriteMatrix();
|
|
|
|
|
|
int32 num_done = 0, num_err = 0;
|
|
|
|
// feature pipeline: wave cache --> decibel_normalizer --> hanning
|
|
// window -->linear_spectrogram --> global cmvn -> feat cache
|
|
|
|
// std::unique_ptr<ppspeech::FrontendInterface> data_source(new
|
|
// ppspeech::DataCache());
|
|
std::unique_ptr<ppspeech::FrontendInterface> data_source(
|
|
new ppspeech::AudioCache());
|
|
|
|
ppspeech::DecibelNormalizerOptions db_norm_opt;
|
|
std::unique_ptr<ppspeech::FrontendInterface> db_norm(
|
|
new ppspeech::DecibelNormalizer(db_norm_opt, std::move(data_source)));
|
|
|
|
ppspeech::LinearSpectrogramOptions opt;
|
|
opt.frame_opts.frame_length_ms = 20;
|
|
opt.frame_opts.frame_shift_ms = 10;
|
|
opt.frame_opts.dither = 0.0;
|
|
opt.frame_opts.remove_dc_offset = false;
|
|
opt.frame_opts.window_type = "hanning";
|
|
opt.frame_opts.preemph_coeff = 0.0;
|
|
LOG(INFO) << "frame length (ms): " << opt.frame_opts.frame_length_ms;
|
|
LOG(INFO) << "frame shift (ms): " << opt.frame_opts.frame_shift_ms;
|
|
|
|
std::unique_ptr<ppspeech::FrontendInterface> linear_spectrogram(
|
|
new ppspeech::LinearSpectrogram(opt, std::move(db_norm)));
|
|
|
|
std::unique_ptr<ppspeech::FrontendInterface> cmvn(new ppspeech::CMVN(
|
|
FLAGS_cmvn_write_path, std::move(linear_spectrogram)));
|
|
|
|
ppspeech::FeatureCache feature_cache(kint16max, std::move(cmvn));
|
|
LOG(INFO) << "feat dim: " << feature_cache.Dim();
|
|
|
|
int sample_rate = 16000;
|
|
float streaming_chunk = 0.36;
|
|
int chunk_sample_size = streaming_chunk * sample_rate;
|
|
LOG(INFO) << "sr: " << sample_rate;
|
|
LOG(INFO) << "chunk size (s): " << streaming_chunk;
|
|
LOG(INFO) << "chunk size (sample): " << chunk_sample_size;
|
|
|
|
|
|
for (; !wav_reader.Done(); wav_reader.Next()) {
|
|
std::string utt = wav_reader.Key();
|
|
const kaldi::WaveData& wave_data = wav_reader.Value();
|
|
LOG(INFO) << "process utt: " << utt;
|
|
|
|
int32 this_channel = 0;
|
|
kaldi::SubVector<kaldi::BaseFloat> waveform(wave_data.Data(),
|
|
this_channel);
|
|
int tot_samples = waveform.Dim();
|
|
LOG(INFO) << "wav len (sample): " << tot_samples;
|
|
|
|
int sample_offset = 0;
|
|
std::vector<kaldi::Vector<BaseFloat>> feats;
|
|
int feature_rows = 0;
|
|
while (sample_offset < tot_samples) {
|
|
int cur_chunk_size =
|
|
std::min(chunk_sample_size, tot_samples - sample_offset);
|
|
|
|
kaldi::Vector<kaldi::BaseFloat> wav_chunk(cur_chunk_size);
|
|
for (int i = 0; i < cur_chunk_size; ++i) {
|
|
wav_chunk(i) = waveform(sample_offset + i);
|
|
}
|
|
|
|
kaldi::Vector<BaseFloat> features;
|
|
feature_cache.Accept(wav_chunk);
|
|
if (cur_chunk_size < chunk_sample_size) {
|
|
feature_cache.SetFinished();
|
|
}
|
|
feature_cache.Read(&features);
|
|
if (features.Dim() == 0) break;
|
|
|
|
feats.push_back(features);
|
|
sample_offset += cur_chunk_size;
|
|
feature_rows += features.Dim() / feature_cache.Dim();
|
|
}
|
|
|
|
int cur_idx = 0;
|
|
kaldi::Matrix<kaldi::BaseFloat> features(feature_rows,
|
|
feature_cache.Dim());
|
|
for (auto feat : feats) {
|
|
int num_rows = feat.Dim() / feature_cache.Dim();
|
|
for (int row_idx = 0; row_idx < num_rows; ++row_idx) {
|
|
for (size_t col_idx = 0; col_idx < feature_cache.Dim();
|
|
++col_idx) {
|
|
features(cur_idx, col_idx) =
|
|
feat(row_idx * feature_cache.Dim() + col_idx);
|
|
}
|
|
++cur_idx;
|
|
}
|
|
}
|
|
feat_writer.Write(utt, features);
|
|
|
|
if (num_done % 50 == 0 && num_done != 0)
|
|
KALDI_VLOG(2) << "Processed " << num_done << " utterances";
|
|
num_done++;
|
|
}
|
|
KALDI_LOG << "Done " << num_done << " utterances, " << num_err
|
|
<< " with errors.";
|
|
return (num_done != 0 ? 0 : 1);
|
|
}
|