ref: 62c2d005cd49b3d20341621fe70b3de1087ab632
parent: 2eb52bd821788405d5e380c71249ac91d58d22ed
author: Paul Brossier <piem@piem.org>
date: Sat Nov 17 14:07:46 EST 2018
[tests] add tests for mfcc filterbank settings
--- a/python/tests/test_mfcc.py
+++ b/python/tests/test_mfcc.py
@@ -110,5 +110,40 @@
o(spec)
#print coeffs
+
+class aubio_mfcc_fb_params(TestCase):
+
+ def test_set_scale(self):
+ buf_size, n_filters, n_coeffs, samplerate = 512, 20, 10, 16000
+ m = mfcc(buf_size, n_filters, n_coeffs, samplerate)
+ m.set_scale(10.)
+ m(cvec(buf_size))
+
+ def test_set_power(self):
+ buf_size, n_filters, n_coeffs, samplerate = 512, 20, 10, 16000
+ m = mfcc(buf_size, n_filters, n_coeffs, samplerate)
+ m.set_power(2.)
+ m(cvec(buf_size))
+
+ def test_set_mel_coeffs(self):
+ buf_size, n_filters, n_coeffs, samplerate = 512, 20, 10, 16000
+ m = mfcc(buf_size, n_filters, n_coeffs, samplerate)
+ m.set_mel_coeffs(0., samplerate/2.)
+ m(cvec(buf_size))
+
+ def test_set_mel_coeffs_htk(self):
+ buf_size, n_filters, n_coeffs, samplerate = 512, 20, 10, 16000
+ m = mfcc(buf_size, n_filters, n_coeffs, samplerate)
+ m.set_mel_coeffs_htk(0., samplerate/2.)
+ m(cvec(buf_size))
+
+ def test_set_mel_coeffs_slaney(self):
+ buf_size, n_filters, n_coeffs, samplerate = 512, 40, 10, 16000
+ m = mfcc(buf_size, n_filters, n_coeffs, samplerate)
+ m.set_mel_coeffs_slaney(samplerate)
+ m(cvec(buf_size))
+ assert m.get_power() == 1
+ assert m.get_scale() == 1
+
if __name__ == '__main__':
main()