annotate gmm_baseline_experiments/external_libs/librosa/librosa-0.3.1/tests/testLibrosaUtil.py @ 5:b523456082ca
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Update path to dataset and reflect modified chunk naming convention.
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peterf |
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Mon, 01 Feb 2016 21:35:27 +0000 |
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cb535b80218a |
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1 #!/usr/bin/env python
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2 # CREATED:2014-01-18 14:09:05 by Brian McFee <brm2132@columbia.edu>
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3 # unit tests for util routines
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4
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5 import numpy as np
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6 import librosa
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7
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8 def test_frame():
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9
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10 # Generate a random time series
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11 def __test(P):
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12 frame, hop = P
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13
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14 y = np.random.randn(8000)
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15 y_frame = librosa.util.frame(y, frame_length=frame, hop_length=hop)
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16
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17 for i in xrange(y_frame.shape[1]):
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18 assert np.allclose(y_frame[:, i], y[ i * hop : (i * hop + frame)])
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19
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20 for frame in [256, 1024, 2048]:
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21 for hop_length in [64, 256, 512]:
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22 yield (__test, [frame, hop_length])
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