Ejemplo n.º 1
0
 def test_py_c_equal_rt(self):
     audio, sampling_rate, onsets = modal.get_audio_file('piano_G2.wav')
     audio = audio[0:4096]
     frame_size = 256
     hop_size = 256
     py_odf = EnergyODF()
     py_odf.set_frame_size(frame_size)
     py_odf.set_hop_size(hop_size)
     c_odf = CEnergyODF()
     c_odf.set_frame_size(frame_size)
     c_odf.set_hop_size(hop_size)
     # if necessary, pad the input signal
     if len(audio) % hop_size != 0:
         audio = np.hstack((
             audio, np.zeros(hop_size - (len(audio) % hop_size),
                             dtype=np.double)
         ))
     # get odf samples
     audio_pos = 0
     while audio_pos <= len(audio) - frame_size:
         frame = audio[audio_pos:audio_pos + frame_size]
         py_odf_value = py_odf.process_frame(frame)
         c_odf_value = c_odf.process_frame(frame)
         assert_almost_equals(py_odf_value, c_odf_value,
                              places=self.FLOAT_PRECISION)
         audio_pos += hop_size
Ejemplo n.º 2
0
 def test_py_c_equal_rt(self):
     audio, sampling_rate, onsets = modal.get_audio_file('piano_G2.wav')
     audio = audio[0:4096]
     frame_size = 256
     hop_size = 256
     py_odf = EnergyODF()
     py_odf.set_frame_size(frame_size)
     py_odf.set_hop_size(hop_size)
     c_odf = CEnergyODF()
     c_odf.set_frame_size(frame_size)
     c_odf.set_hop_size(hop_size)
     # if necessary, pad the input signal
     if len(audio) % hop_size != 0:
         audio = np.hstack((audio,
                            np.zeros(hop_size - (len(audio) % hop_size),
                                     dtype=np.double)))
     # get odf samples
     audio_pos = 0
     while audio_pos <= len(audio) - frame_size:
         frame = audio[audio_pos:audio_pos + frame_size]
         py_odf_value = py_odf.process_frame(frame)
         c_odf_value = c_odf.process_frame(frame)
         assert_almost_equals(py_odf_value,
                              c_odf_value,
                              places=self.FLOAT_PRECISION)
         audio_pos += hop_size