def test_beat():
def __test(infile):
DATA = load(infile)
(bpm, beats) = librosa.beat.beat_track(y=None, sr=8000, hop_length=32,
onsets=DATA['onsetenv'][0], n_fft=None)
print beats
print DATA['beats']
assert numpy.allclose(librosa.frames_to_time(beats, sr=8000, hop_length=32), DATA['beats'])
pass
for infile in files('data/beat-beat-*.mat'):
yield (__test, infile)
pass
def test_onset_strength():
def __test(infile):
DATA = load(infile)
# Compute onset envelope using the same spectrogram
onsets = librosa.onset.onset_strength(y=None, sr=8000, S=DATA['D'], detrend=True)
assert numpy.allclose(onsets, DATA['onsetenv'][0])
pass
for infile in files('data/beat-onset-*.mat'):
yield (__test, infile)
pass
def test_tempo():
def __test(infile):
DATA = load(infile)
# Estimate tempo from the given onset envelope
tempo = librosa.beat.estimate_tempo(DATA['onsetenv'][0],
sr=8000,
hop_length=32,
start_bpm=120.0)
assert (np.allclose(tempo, DATA['t'][0, 0])
or np.allclose(tempo, DATA['t'][0, 1]))
for infile in files('data/beat-tempo-*.mat'):
yield (__test, infile)
def test_tempo():
def __test(infile):
DATA = load(infile)
# Estimate tempo from the given onset envelope
tempo = librosa.beat.estimate_tempo(
DATA['onsetenv'][0], sr=8000, hop_length=32, start_bpm=120.0)
assert (numpy.allclose(tempo, DATA['t'][0, 0])
or numpy.allclose(tempo, DATA['t'][0, 1]))
pass
for infile in files('data/beat-tempo-*.mat'):
yield (__test, infile)
pass
def test_beat():
def __test(infile):
DATA = load(infile)
(bpm,
beats) = librosa.beat.beat_track(y=None,
sr=8000,
hop_length=32,
onset_envelope=DATA['onsetenv'][0])
beat_times = librosa.frames_to_time(beats, sr=8000, hop_length=32)
assert np.allclose(beat_times, DATA['beats'])
for infile in files('data/beat-beat-*.mat'):
yield (__test, infile)
def test_tempo():
def __test(infile):
DATA = load(infile)
# Estimate tempo from the given onset envelope
tempo = librosa.beat.onset_estimate_bpm( DATA['onsetenv'][0],
120.0, # starting bpm
8000 / 32)
assert (numpy.allclose(tempo, DATA['t'][0,0]) or
numpy.allclose(tempo, DATA['t'][0,1]))
pass
for infile in files('data/beat-tempo-*.mat'):
yield (__test, infile)
pass
def test_onset_strength():
def __test(infile):
DATA = load(infile)
# Compute onset envelope using the same spectrogram
onsets = librosa.onset.onset_strength(y=None,
sr=8000,
S=DATA['D'],
centering=False,
detrend=True)
assert np.allclose(onsets[1:], DATA['onsetenv'][0])
pass
for infile in files('data/beat-onset-*.mat'):
yield (__test, infile)
