Showing the changes to python (1 of 1 file). Show all
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| @@ -4,13 +4,17 @@ from numpy.testing import TestCase, assert_equal, assert_array_less · 3 unmodified lines | ||
| 4 | 4 | from aubio import fvec, cvec, pvoc, float_type |
| 5 | 5 | from numpy import array, shape |
| 6 | 6 | from numpy.random import random |
| 7 | +from nose2.tools import params | |
| 7 | 8 | import numpy as np |
| 8 | 9 | |
| 9 | −max_sq_error = 1.e-12 | |
| 10 | +if float_type == 'float32': | |
| 11 | + max_sq_error = 1.e-12 | |
| 12 | +else: | |
| 13 | + max_sq_error = 1.e-29 | |
| 10 | 14 | |
| 11 | 15 | def create_sine(hop_s, freq, samplerate): |
| 12 | 16 | t = np.arange(hop_s).astype(float_type) |
| 13 | − return np.sin( 2. * np.pi * t * freq / samplerate) | |
| 17 | + return np.sin( 2. * np.pi * freq * t / float(samplerate)) | |
| 14 | 18 | |
| 15 | 19 | def create_noise(hop_s): |
| 16 | 20 | return np.random.rand(hop_s).astype(float_type) * 2. - 1. |
| @@ -41,10 +45,10 @@ class aubio_pvoc_test_case(TestCase): · 24 unmodified lines | ||
| 41 | 45 | for time in range( int ( 4 * win_s / hop_s ) ): |
| 42 | 46 | s = f(t) |
| 43 | 47 | r = f.rdo(s) |
| 44 | − assert_equal ( array(t), 0) | |
| 45 | − assert_equal ( s.norm, 0) | |
| 46 | − assert_equal ( s.phas, 0) | |
| 47 | − assert_equal ( r, 0) | |
| 48 | + assert_equal ( t, 0.) | |
| 49 | + assert_equal ( s.norm, 0.) | |
| 50 | + assert_equal ( s.phas, 0.) | |
| 51 | + assert_equal ( r, 0.) | |
| 48 | 52 | |
| 49 | 53 | def test_resynth_8_steps_sine(self): |
| 50 | 54 | """ check the resynthesis of is correct with 87.5% overlap """ |
| @@ -91,6 +95,52 @@ class aubio_pvoc_test_case(TestCase): · 40 unmodified lines | ||
| 91 | 95 | sigin = create_noise(hop_s) |
| 92 | 96 | self.reconstruction(sigin, hop_s, ratio) |
| 93 | 97 | |
| 98 | + @params( | |
| 99 | + ( 256, 8), | |
| 100 | + ( 256, 4), | |
| 101 | + ( 256, 2), | |
| 102 | + ( 512, 8), | |
| 103 | + ( 512, 4), | |
| 104 | + ( 512, 2), | |
| 105 | + (1024, 8), | |
| 106 | + (1024, 4), | |
| 107 | + (1024, 2), | |
| 108 | + (2048, 8), | |
| 109 | + (2048, 4), | |
| 110 | + (2048, 2), | |
| 111 | + (4096, 8), | |
| 112 | + (4096, 4), | |
| 113 | + (4096, 2), | |
| 114 | + (8192, 8), | |
| 115 | + (8192, 4), | |
| 116 | + (8192, 2), | |
| 117 | + ) | |
| 118 | + def test_resynth_steps_noise(self, hop_s, ratio): | |
| 119 | + """ check the resynthesis of a random signal is correct """ | |
| 120 | + sigin = create_noise(hop_s) | |
| 121 | + self.reconstruction(sigin, hop_s, ratio) | |
| 122 | + | |
| 123 | + @params( | |
| 124 | + (44100, 256, 8, 441), | |
| 125 | + (44100, 256, 4, 1203), | |
| 126 | + (44100, 256, 2, 3045), | |
| 127 | + (44100, 512, 8, 445), | |
| 128 | + (44100, 512, 4, 445), | |
| 129 | + (44100, 512, 2, 445), | |
| 130 | + (44100, 1024, 8, 445), | |
| 131 | + (44100, 1024, 4, 445), | |
| 132 | + (44100, 1024, 2, 445), | |
| 133 | + ( 8000, 1024, 2, 445), | |
| 134 | + (22050, 1024, 2, 445), | |
| 135 | + (22050, 256, 8, 445), | |
| 136 | + (96000, 1024, 8, 47000), | |
| 137 | + (96000, 1024, 8, 20), | |
| 138 | + ) | |
| 139 | + def test_resynth_steps_sine(self, samplerate, hop_s, ratio, freq): | |
| 140 | + """ check the resynthesis of a sine is correct """ | |
| 141 | + sigin = create_sine(hop_s, freq, samplerate) | |
| 142 | + self.reconstruction(sigin, hop_s, ratio) | |
| 143 | + | |
| 94 | 144 | def reconstruction(self, sigin, hop_s, ratio): |
| 95 | 145 | buf_s = hop_s * ratio |
| 96 | 146 | f = pvoc(buf_s, hop_s) |
| @@ -104,6 +154,6 @@ class aubio_pvoc_test_case(TestCase): · 7 unmodified lines | ||
| 104 | 154 | assert_array_less(sq_error, max_sq_error) |
| 105 | 155 | |
| 106 | 156 | if __name__ == '__main__': |
| 107 | − from unittest import main | |
| 108 | − main() | |
| 157 | + from nose2 import main | |
| 158 | + main() | |
| 109 | 159 | |