def test_load_audio_with_basic_config():
"""
Grab a random file, test that the n_fft are passed successfully
via config and stored in sg settings
"""
sg_cfg = AudioConfig.BasicSpectrogram(n_fft=2000, hop_length=155)
a2sg = AudioToSpec.from_cfg(sg_cfg)
audio = test_audio_tensor()
sg = a2sg(audio)
assert sg.n_fft == sg_cfg.n_fft
assert sg.width == int(audio.nsamples / sg_cfg.hop_length) + 1
def test_load_audio_with_basic_config():
"""
Grab a random file, test that the n_fft are passed successfully
via config and stored in sg settings
"""
p = untar_data(URLs.SAMPLE_SPEAKERS10)
f = p / "train/f0001_us_f0001_00001.wav"
oa = OpenAudio([f])
sg_cfg = AudioConfig.BasicSpectrogram(n_fft=2000, hop_length=155)
a2sg = AudioToSpec.from_cfg(sg_cfg)
sg = a2sg(oa(0))
assert sg.n_fft == sg_cfg.n_fft
assert sg.width == int(oa(0).nsamples / sg_cfg.hop_length) + 1
def test_basic_config():
"Make sure mel setting is passed down and is false for normal spectro"
sg_cfg = AudioConfig.BasicSpectrogram()
assert sg_cfg.mel == False
def test_sg_roll():
roll = SGRoll()
audio = test_audio_tensor()
a2s = AudioToSpec.from_cfg(AudioConfig.BasicSpectrogram())
inp, out = apply_transform(roll, a2s(audio))
_test_ne(inp, out)
def test_signal_shift_on_sg():
audio = test_audio_tensor()
a2s = AudioToSpec.from_cfg(AudioConfig.BasicSpectrogram())
shifter = SignalShifter(1, 1)
inp, out = apply_transform(shifter, a2s(audio))
_test_ne(inp, out)