def test_audio_griffinlim():
from aukit.audio_griffinlim import inv_linear_spectrogram, inv_linear_spectrogram_tf, inv_mel_spectrogram
from aukit.audio_griffinlim import default_hparams as hparams_griffinlim
from aukit.audio_spectrogram import linear_spectrogram, mel_spectrogram
out_linear = linear_spectrogram(_wav, hparams=hparams_griffinlim)
out_wav = inv_linear_spectrogram(out_linear, hparams=hparams_griffinlim)
assert out_wav.shape == (800, )
out_mel = mel_spectrogram(_wav, hparams=hparams_griffinlim)
out_wav = inv_mel_spectrogram(out_mel, hparams=hparams_griffinlim)
assert out_wav.shape == (800, )
def run_spectrogram():
from aukit import audio_spectrogram as asp
from aukit import audio_griffinlim as agf
from aukit import audio_io as aio
from aukit.audio_player import play_audio
inpath = r"E:/data/temp/01.wav"
wav, sr = aio.load_wav(inpath, with_sr=True)
print(wav.shape, sr)
play_audio(wav, sr)
lin_gf = agf.linear_spectrogram(wav)
wav_gf = agf.inv_linear_spectrogram(lin_gf)
play_audio(wav_gf, sr)
mel_sp = asp.mel_spectrogram(wav)
mel_sp = asp.mel2linear_spectrogram(mel_sp)
wav_sp = agf.inv_linear_spectrogram(mel_sp)
play_audio(wav_sp, sr)
linear_gf = agf.linear_spectrogram(wav)
mel_lin = agf.linear2mel_spectrogram(linear_gf)
linear_mel = agf.mel2linear_spectrogram(mel_lin)
wav_2 = agf.inv_linear_spectrogram(linear_mel)
mel_sp = asp.mel_spectrogram(wav)
mel_fea = asp.mel_spectrogram_feature(wav)
# plt.figure()
# plt.subplot("311")
# plt.pcolor(linear)
# plt.subplot("312")
# plt.pcolor(linear2)
# plt.subplot("313")
# plt.pcolor(mel_fea)
# plt.show()
wav_ms = agf.inv_mel_spectrogram(mel_sp)
wav_mf = agf.inv_mel_spectrogram(mel_fea)
play_audio(wav_ms, sr)
play_audio(wav_mf, sr)
def test_audio_spectrogram():
from aukit.audio_spectrogram import linear_spectrogram, mel_spectrogram
from aukit.audio_spectrogram import default_hparams as hparams_spectrogram
from aukit.audio_spectrogram import linear2mel_spectrogram, mel2linear_spectrogram
out_linear = linear_spectrogram(_wav, hparams=hparams_spectrogram)
assert out_linear.shape == (401, 5)
out_mel = mel_spectrogram(_wav, hparams=hparams_spectrogram)
assert out_mel.shape == (80, 5)
out_mel_from_linear = linear2mel_spectrogram(out_linear,
hparams=hparams_spectrogram)
assert out_mel_from_linear.shape == (80, 5)
out_linear_from_mel = mel2linear_spectrogram(out_mel,
hparams=hparams_spectrogram)
assert out_linear_from_mel.shape == (401, 5)
def melspectrogram(wav, hparams=None):
wav = np.pad(wav.flatten(), (_pad_len, _pad_len), mode="reflect")
mel = mel_spectrogram(wav, melgan_hparams)
mel = mel / 20
return mel