Example #1
0
 def test_Mix(self):
     self._sample_1.extract_channel(0)
     self._sample_2.extract_channel(0)
     
     formatter1 = ChannelFormatter(self._sample_1.get_channel(0))
     formatter1.set_framerate(16000)
     formatter1.set_sampwidth(2)
     formatter1.convert()
     
     formatter2 = ChannelFormatter(self._sample_2.get_channel(0))
     formatter2.set_framerate(16000)
     formatter2.set_sampwidth(2)
     formatter2.convert()
     
     equalizer = ChannelsEqualizer()
     equalizer.append_channel(formatter1.channel)
     equalizer.append_channel(formatter2.channel)
     equalizer.equalize()
     
     mixer = ChannelsMixer()
     mixer.append_channel(equalizer.get_channel(0))
     mixer.append_channel(equalizer.get_channel(1))
     newchannel = mixer.mix()
     
     self.assertEqual(newchannel.get_nframes(), equalizer.get_channel(0).get_nframes())
     self.assertEqual(newchannel.get_nframes(), equalizer.get_channel(1).get_nframes())
Example #2
0
def equalize_channels( settings, p=None ):
    """
    Equalize channels of the settings.
    @param settings: a list of dictionaries with extracted information from a settings file.
    @param p is a progress dialog

    """
    equalizer = ChannelsEqualizer()

    if p: p.update(0.25, "Load channels to equalize. ")
    for channel in settings:
        equalizer.append_channel( channel['channel'] )

    if p: p.update(0.50, "Equalize each channel... ")
    equalizer.equalize()

    if p: p.update(0.90, "Save equalized channels. ")
    for i,channel in enumerate(settings):
        channel['channel'] = equalizer.get_channel(i)
Example #3
0
parser = ArgumentParser(usage="%s -w input files [options]" % os.path.basename(PROGRAM), description="A script to equalize the number of frames of audio files")

parser.add_argument("-w", metavar="file", nargs='+', required=True,  help='Audio Input file names')


# ----------------------------------------------------------------------------

if len(sys.argv) <= 1:
    sys.argv.append('-h')

args = parser.parse_args()
    
# ----------------------------------------------------------------------------


equalizer = ChannelsEqualizer()

file = signals.open(args.w[0])
sampwidth = file.get_sampwidth()
framerate = file.get_framerate()

for inputFile in args.w:
    audio = signals.open(inputFile)
    if audio.get_sampwidth() != sampwidth:
        print "Input files must have the same sample width !"
        sys.exit(1)
    if audio.get_framerate() != framerate:
        print "Input files must have the same framerate !"
        sys.exit(1)
    idx = audio.extract_channel(1)
    equalizer.append_channel(audio.get_channel(idx))