| | |
|---|
| | | frame_sample_length = int(self.vad_opts.frame_length_ms * self.vad_opts.sample_rate / 1000) |
|---|
| | | frame_shift_length = int(self.vad_opts.frame_in_ms * self.vad_opts.sample_rate / 1000) |
|---|
| | | self.data_buf = self.waveform[0] # 指向self.waveform[0] |
|---|
| | | for offset in range(0, self.waveform.shape[1] - frame_sample_length, frame_shift_length): |
|---|
| | | for offset in range(0, self.waveform.shape[1] - frame_sample_length + 1, frame_shift_length): |
|---|
| | | self.decibel.append( |
|---|
| | | 10 * math.log10((self.waveform[0][offset: offset + frame_sample_length]).square().sum() + \ |
|---|
| | | 0.000001)) |
|---|
