Spaces:
Sleeping
Sleeping
File size: 2,519 Bytes
c7f3ffb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | import math
import numpy as np
PITCH_EXTRACTOR = {}
def register_pitch_extractor(name):
def register_pitch_extractor_(cls):
PITCH_EXTRACTOR[name] = cls
return cls
return register_pitch_extractor_
def get_pitch_extractor(name):
return PITCH_EXTRACTOR[name]
def extract_pitch_simple(wav):
from ..commons.hparams import hparams
return extract_pitch(hparams['pitch_extractor'], wav,
hparams['hop_size'], hparams['audio_sample_rate'],
f0_min=hparams['f0_min'], f0_max=hparams['f0_max'])
def extract_pitch(extractor_name, wav_data, hop_size, audio_sample_rate, f0_min=75, f0_max=800, **kwargs):
return get_pitch_extractor(extractor_name)(wav_data, hop_size, audio_sample_rate, f0_min, f0_max, **kwargs)
@register_pitch_extractor('parselmouth')
def parselmouth_pitch(wav_data, hop_size, audio_sample_rate, f0_min, f0_max,
voicing_threshold=0.6, *args, **kwargs):
import parselmouth
time_step = hop_size / audio_sample_rate * 1000
n_mel_frames = int(len(wav_data) // hop_size)
f0_pm = parselmouth.Sound(wav_data, audio_sample_rate).to_pitch_ac(
time_step=time_step / 1000, voicing_threshold=voicing_threshold,
pitch_floor=f0_min, pitch_ceiling=f0_max).selected_array['frequency']
pad_size = (n_mel_frames - len(f0_pm) + 1) // 2
f0 = np.pad(f0_pm, [[pad_size, n_mel_frames - len(f0_pm) - pad_size]], mode='constant')
return f0
@register_pitch_extractor('pyworld')
def pyworld_pitch(wav_data, hop_size, audio_sample_rate, f0_min, f0_max,
voicing_threshold=0.6, *args, **kwargs):
import pyworld as pw
# f0, _ = pw.harvest(wav_data.astype(np.double), audio_sample_rate, f0_floor=f0_min, f0_ceil=f0_max,
# frame_period=hop_size * 1000 / audio_sample_rate)
f0, _ = pw.dio(wav_data.astype(np.double), audio_sample_rate, f0_floor=f0_min, f0_ceil=f0_max, frame_period=hop_size * 1000 / audio_sample_rate)
f0[f0 < f0_min] = 0.0
f0[f0 > f0_max] = 0.0
n_mel_frames = math.ceil(len(wav_data) / hop_size)
if n_mel_frames > len(f0):
pad_size = (n_mel_frames - len(f0) + 1) // 2
f0 = np.pad(f0, [[pad_size, n_mel_frames - len(f0) - pad_size]], mode='constant')
elif n_mel_frames < len(f0):
left_del = (len(f0) - n_mel_frames + 1) // 2
right_del = len(f0) - n_mel_frames - left_del
f0 = f0[left_del: (-right_del if right_del > 0 else len(f0))]
return f0
|