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Merge pull request #2771 from reuben/warn-sample-rate 

Warn if --audio_sample_rate does not match training sample
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Reuben Morais 2020-02-21 19:46:05 +01:00 committed by GitHub
parent aff310d73a 1178215423
commit 46e7993075
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1 changed files with 5 additions and 2 deletions
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7
util/feeding.py
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@ -30,7 +30,10 @@ def read_csvs(csv_files):
return pandas.concat(sets, join='inner', ignore_index=True) return pandas.concat(sets, join='inner', ignore_index=True)
def samples_to_mfccs(samples, sample_rate, train_phase=False): def samples_to_mfccs(samples, sample_rate, train_phase=False, wav_filename=None):
if train_phase and sample_rate != FLAGS.audio_sample_rate:
tf.print('WARNING: sample rate of file', wav_filename, '(', sample_rate, ') does not match FLAGS.audio_sample_rate. This can lead to incorrect results.')
spectrogram = contrib_audio.audio_spectrogram(samples, spectrogram = contrib_audio.audio_spectrogram(samples,
window_size=Config.audio_window_samples, window_size=Config.audio_window_samples,
stride=Config.audio_step_samples, stride=Config.audio_step_samples,
@ -79,7 +82,7 @@ def samples_to_mfccs(samples, sample_rate, train_phase=False):
def audiofile_to_features(wav_filename, train_phase=False): def audiofile_to_features(wav_filename, train_phase=False):
samples = tf.io.read_file(wav_filename) samples = tf.io.read_file(wav_filename)
decoded = contrib_audio.decode_wav(samples, desired_channels=1) decoded = contrib_audio.decode_wav(samples, desired_channels=1)
features, features_len = samples_to_mfccs(decoded.audio, decoded.sample_rate, train_phase=train_phase) features, features_len = samples_to_mfccs(decoded.audio, decoded.sample_rate, train_phase=train_phase, wav_filename=wav_filename)
if train_phase: if train_phase:
if FLAGS.data_aug_features_multiplicative > 0: if FLAGS.data_aug_features_multiplicative > 0: