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bug fixes

pull/10/head
root 2020-01-27 15:42:56 +01:00 committed by erogol
parent bb1117ff32
commit 284daba116
1 changed files with 3 additions and 3 deletions
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6
utils/audio.py
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@ -66,12 +66,11 @@ class AudioProcessor(object):
return np.maximum(1e-10, np.dot(inv_mel_basis, mel_spec))
def _build_mel_basis(self, ):
n_fft = (self.num_freq - 1) * 2
if self.mel_fmax is not None:
assert self.mel_fmax <= self.sample_rate // 2
return librosa.filters.mel(
self.sample_rate,
n_fft,
self.n_fft,
n_mels=self.num_mels,
fmin=self.mel_fmin,
fmax=self.mel_fmax)
@ -197,6 +196,7 @@ class AudioProcessor(object):
n_fft=self.n_fft,
hop_length=self.hop_length,
win_length=self.win_length,
pad_mode='constant'
)
def _istft(self, y):
@ -217,7 +217,7 @@ class AudioProcessor(object):
margin = int(self.sample_rate * 0.01)
wav = wav[margin:-margin]
return librosa.effects.trim(
wav, top_db=60, frame_length=self.win_length, hop_length=self.hop_length)[0]
wav, top_db=40, frame_length=self.win_length, hop_length=self.hop_length)[0]
@staticmethod
def mulaw_encode(wav, qc):