def test_a_weighting(self):
expected = array_from_text_file('a_weighting_test_simple.expected')
f = digital_filter(7)
f.set_a_weighting(44100)
v = fvec(32)
v[12] = .5
u = f(v)
assert_almost_equal (expected[1], u)
def test_c_weighting_8000(self):
expected = array_from_text_file('c_weighting_test_simple_8000.expected')
f = digital_filter(5)
f.set_c_weighting(8000)
v = fvec(32)
v[12] = .5
u = f(v)
assert_almost_equal (expected[1], u)
def test_a_weighting_parted(self):
expected = array_from_text_file('a_weighting_test_simple.expected')
f = digital_filter(7)
f.set_a_weighting(44100)
v = fvec(16)
v[12] = .5
u = f(v)
assert_almost_equal (expected[1][:16], u)
# one more time
v = fvec(16)
u = f(v)
assert_almost_equal (expected[1][16:], u)
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() )
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())