Changeset 71ef9c2

Timestamp:

Mar 3, 2013, 9:33:29 PM (11 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

68d0492

Parents:

45f0f4a

Message:

python/tests/test_filterbank.py: added test against existing coeffs

Location:

python/tests

Files:

• filterbank_mfcc_16000_512.expected (moved) (moved from tests/python/src/spectral/filterbank_mfcc_16000_512.txt)
• test_filterbank.py (modified) (2 diffs)

python/tests/test_filterbank.py

@@ -5 +5 @@
 from numpy import random
 from math import pi
+from numpy import array
 from aubio import cvec, filterbank
+
+def array_from_text_file(filename, dtype = 'float'):
+  return array([line.split() for line in open(filename).readlines()], 
+      dtype = dtype)
 
 class aubio_filterbank_test_case(TestCase):
@@ -55 +60 @@
     assert_equal ( f(c) > 0., True )
 
+  def test_mfcc_coeffs_16000(self):
+    expected = array_from_text_file('filterbank_mfcc_16000_512.expected')
+    f = filterbank(40, 512)
+    f.set_mel_coeffs_slaney(16000)
+    assert_almost_equal ( expected, f.get_coeffs() )
+
 if __name__ == '__main__':
   from unittest import main