コード例 #1
0
ファイル: test_monofragment.py プロジェクト: drammock/sppas
 def test_CreateSilence(self):
     self._sample_1.extract_channel(0)
     self._sample_2.extract_channel(0)
     
     channel = self._sample_1.get_channel(0)
     monofrag = MonoFragment(channel.frames)
     monofrag.create_silence(1000)
     self.assertEqual(channel.get_nframes()+1000, len(monofrag.get_frames())/channel.get_sampwidth())
コード例 #2
0
ファイル: channelsequalizer.py プロジェクト: drammock/sppas
 def equalize(self):
     """
     Equalize the number of frames of all the channels by appending silence at the end.
     
     """
     nframes = 0
     for i in xrange(len(self.channels)):
         nframes = max(nframes, self.channels[i].get_nframes())
         
     for i in xrange(len(self.channels)):
         if self.channels[i].get_nframes() < nframes:
             fragment = MonoFragment(self.channels[i].frames)
             fragment.create_silence(nframes - self.channels[i].get_nframes())
             self.channels[i] = Channel(self.channels[i].get_framerate(), self.channels[i].get_sampwidth(), fragment.get_frames())
コード例 #3
0
ファイル: channelformatter.py プロジェクト: drammock/sppas
    def __convert_frames(self, frames):
        """
        Convert frames to the expected sample width and frame rate.
        
        @param frames (string) the frames to convert
        
        """
        f = frames
        fragment = MonoFragment(f)
        #Convert the sample width if it needs to
        if (self.channel.get_sampwidth() != self.sampwidth):
            fragment.changesampwidth(self.channel.get_sampwidth(), self.sampwidth)

        #Convert the self.framerate if it needs to
        if (self.channel.get_framerate() != self.framerate):
            fragment.resample(self.sampwidth, self.channel.get_framerate(), self.framerate)

        return fragment.get_frames()