source: tests/python/src/temporal/a_weighting.py @ 7e114c8

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 7e114c8 was 7e114c8, checked in by Paul Brossier <piem@piem.org>, 15 years ago

tests/python/src/temporal/a_weighting.py: moved from adesign.py

  • Property mode set to 100644
File size: 1.4 KB
Line 
1from localaubio import *
2
3samplerate = 44100
4buf_size = 1024
5channels = 2
6
7class adsgn_filter_unit(aubio_unit_template):
8
9  def setUp(self):
10    self.o = new_aubio_filter_a_weighting (samplerate, channels)
11
12  def tearDown(self):
13    del_aubio_filter (self.o)
14
15  def test_creation(self):
16    pass
17
18  def test_filter_zeroes(self):
19    """ check filter run on a vector full of zeroes returns zeros """
20    vec = new_fvec(buf_size, channels)
21    aubio_filter_do (self.o, vec)
22    for index in range(buf_size):
23      for channel in range(channels):
24        self.assertEqual(0., fvec_read_sample(vec,channel,index))
25    del_fvec(vec)
26
27  def test_filter_ones(self):
28    vec = new_fvec(buf_size, channels)
29    for index in range(buf_size):
30      for channel in range(channels):
31        fvec_write_sample(vec, 1., channel, index)
32    aubio_filter_do (self.o, vec)
33    for index in range(buf_size):
34      for channel in range(channels):
35        self.assertNotEqual(0., fvec_read_sample(vec,channel,index))
36    del_fvec(vec)
37
38  def test_filter_denormal(self):
39    vec = new_fvec(buf_size, channels)
40    for index in range(buf_size):
41      for channel in range(channels):
42        fvec_write_sample(vec, 2.e-42, channel, index)
43    aubio_filter_do (self.o, vec)
44    for index in range(buf_size):
45      for channel in range(channels):
46        self.assertEqual(0., fvec_read_sample(vec,channel,index))
47    del_fvec(vec)
48
49if __name__ == '__main__':
50  import unittest
51  unittest.main()
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