OPENGIT/Retrieval-based-Voice-Conversion-WebUI
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Refactor mel module import and variable names

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This commit is contained in:
tarepan 2023-04-23 13:40:17 +00:00
parent ec2ec9032e
commit 2e60c12044
1 changed files with 10 additions and 20 deletions
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30
train/mel_processing.py
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@ -1,18 +1,8 @@
import math
import os
import random
import torch
from torch import nn
import torch.nn.functional as F
import torch.utils.data
import numpy as np
import librosa
import librosa.util as librosa_util
from librosa.util import normalize, pad_center, tiny
from scipy.signal import get_window
from scipy.io.wavfile import read
from librosa.filters import mel as librosa_mel_fn
MAX_WAV_VALUE = 32768.0
@ -35,13 +25,11 @@ def dynamic_range_decompression_torch(x, C=1):
def spectral_normalize_torch(magnitudes):
output = dynamic_range_compression_torch(magnitudes)
return output
return dynamic_range_compression_torch(magnitudes)
def spectral_de_normalize_torch(magnitudes):
output = dynamic_range_decompression_torch(magnitudes)
return output
return dynamic_range_decompression_torch(magnitudes)
# Reusable banks
@ -116,12 +104,14 @@ def spec_to_mel_torch(spec, n_fft, num_mels, sampling_rate, fmin, fmax):
)
# Mel-frequency Log-amplitude spectrogram :: (B, Freq=num_mels, Frame)
spec = torch.matmul(mel_basis[fmax_dtype_device], spec)
spec = spectral_normalize_torch(spec)
return spec
melspec = torch.matmul(mel_basis[fmax_dtype_device], spec)
melspec = spectral_normalize_torch(melspec)
return melspec
def mel_spectrogram_torch(y, n_fft, num_mels, sampling_rate, hop_size, win_size, fmin, fmax, center=False):
def mel_spectrogram_torch(
y, n_fft, num_mels, sampling_rate, hop_size, win_size, fmin, fmax, center=False
):
"""Convert waveform into Mel-frequency Log-amplitude spectrogram.
Args:
@ -135,4 +125,4 @@ def mel_spectrogram_torch(y, n_fft, num_mels, sampling_rate, hop_size, win_size,
# Mel-frequency Log-amplitude spectrogram :: (B, Freq, Frame) -> (B, Freq=num_mels, Frame)
melspec = spec_to_mel_torch(spec, n_fft, num_mels, sampling_rate, fmin, fmax)
return melspec
return melspec