Changeset f264b17 for python/tests/test_filterbank_mel.py

Timestamp:

Jun 22, 2016, 1:00:10 PM (8 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:

4b9443c4

Parents:

60fc05b (diff), 6769586 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' into notes

File:

• python/tests/test_filterbank_mel.py (modified) (1 diff)

python/tests/test_filterbank_mel.py

@@ -1 +1 @@
 #! /usr/bin/env python
 
-from numpy.testing import TestCase, run_module_suite
+from unittest import main
+from numpy.testing import TestCase
 from numpy.testing import assert_equal, assert_almost_equal
 from numpy import array, shape
-from aubio import cvec, filterbank
+from aubio import cvec, filterbank, float_type
 
 class aubio_filterbank_mel_test_case(TestCase):
 
-  def test_slaney(self):
-    f = filterbank(40, 512)
-    f.set_mel_coeffs_slaney(16000)
-    a = f.get_coeffs()
-    assert_equal(shape (a), (40, 512/2 + 1) )
+    def test_slaney(self):
+        f = filterbank(40, 512)
+        f.set_mel_coeffs_slaney(16000)
+        a = f.get_coeffs()
+        assert_equal(shape (a), (40, 512/2 + 1) )
 
-  def test_other_slaney(self):
-    f = filterbank(40, 512*2)
-    f.set_mel_coeffs_slaney(44100)
-    a = f.get_coeffs()
-    #print "sum is", sum(sum(a))
-    for win_s in [256, 512, 1024, 2048, 4096]:
-      f = filterbank(40, win_s)
-      f.set_mel_coeffs_slaney(320000)
-      a = f.get_coeffs()
-      #print "sum is", sum(sum(a))
+    def test_other_slaney(self):
+        f = filterbank(40, 512*2)
+        f.set_mel_coeffs_slaney(44100)
+        _ = f.get_coeffs()
+        #print "sum is", sum(sum(a))
+        for win_s in [256, 512, 1024, 2048, 4096]:
+            f = filterbank(40, win_s)
+            f.set_mel_coeffs_slaney(32000)
+            _ = f.get_coeffs()
+            #print "sum is", sum(sum(a))
 
-  def test_triangle_freqs_zeros(self):
-    f = filterbank(9, 1024)
-    freq_list = [40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
-    freqs = array(freq_list, dtype = 'float32')
-    f.set_triangle_bands(freqs, 48000)
-    f.get_coeffs().T
-    assert_equal ( f(cvec(1024)), 0)
+    def test_triangle_freqs_zeros(self):
+        f = filterbank(9, 1024)
+        freq_list = [40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
+        freqs = array(freq_list, dtype = float_type)
+        f.set_triangle_bands(freqs, 48000)
+        _ = f.get_coeffs().T
+        assert_equal ( f(cvec(1024)), 0)
 
-  def test_triangle_freqs_ones(self):
-    f = filterbank(9, 1024)
-    freq_list = [40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
-    freqs = array(freq_list, dtype = 'float32')
-    f.set_triangle_bands(freqs, 48000)
-    f.get_coeffs().T
-    spec = cvec(1024)
-    spec.norm[:] = 1
-    assert_almost_equal ( f(spec),
-            [ 0.02070313,  0.02138672,  0.02127604,  0.02135417, 
-        0.02133301, 0.02133301,  0.02133311,  0.02133334,  0.02133345])
+    def test_triangle_freqs_ones(self):
+        f = filterbank(9, 1024)
+        freq_list = [40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000, 24000]
+        freqs = array(freq_list, dtype = float_type)
+        f.set_triangle_bands(freqs, 48000)
+        _ = f.get_coeffs().T
+        spec = cvec(1024)
+        spec.norm[:] = 1
+        assert_almost_equal ( f(spec),
+                [ 0.02070313, 0.02138672, 0.02127604, 0.02135417,
+                    0.02133301, 0.02133301, 0.02133311, 0.02133334, 0.02133345])
 
 if __name__ == '__main__':
-  from unittest import main
-  main()
-
-
+    main()