print '\tChannel type:', ('Audio' if not opt.bypass else 'Bypass')
    if opt.bypass:
        print '\t  Noise:', opt.noise, ' lag:', opt.lag, 'h: [', opt.h, ']'
    print '\tFrequency:', fc, 'Hz'
    print '\tHamming code n :', opt.cc_len
########################################################

    #instantiate and run the source block
    src = Source(opt.monotone, opt.fname)
    src_payload, databits = src.process()

    # instantiate and run the transmitter block
    xmitter = Transmitter(fc, opt.samplerate, opt.one, opt.spb, opt.silence, opt.cc_len)
    coded_bits = xmitter.encode(databits)
    coded_bits_with_preamble = xmitter.add_preamble(coded_bits)
    samples = xmitter.bits_to_samples(coded_bits_with_preamble)
    mod_samples = xmitter.modulate(samples)

####################################
    # create channel instance
    if opt.bypass:
        h = [float(x) for x in opt.h.split(' ')]
        channel = bch.BypassChannel(opt.noise, opt.lag, h)
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)

    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
Example #2
0
    print '\tChannel type:', ('Audio' if not opt.bypass else 'Bypass')
    if opt.bypass:
        print '\t  Noise:', opt.noise, ' lag:', opt.lag, 'h: [', opt.h, ']'
    print '\tFrequency:', fc, 'Hz'
    print '\tHamming code n :', opt.cc_len
########################################################

    #instantiate and run the source block
    src = Source(opt.monotone, opt.fname)
    src_payload, databits = src.process()  

    # instantiate and run the transmitter block
    xmitter = Transmitter(fc, opt.samplerate, opt.one, opt.spb, opt.silence, opt.cc_len)
    coded_bits = xmitter.encode(databits)
    coded_bits_with_preamble = xmitter.add_preamble(coded_bits)
    samples = xmitter.bits_to_samples(coded_bits_with_preamble)
    mod_samples = xmitter.modulate(samples)

####################################    
    # create channel instance
    if opt.bypass:
        h = [float(x) for x in opt.h.split(' ')]
        channel = bch.BypassChannel(opt.noise, opt.lag, h)
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)
        
    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
Example #3
0
    print '\tSamples per bit:', opt.spb
    print '\tChannel type:', ('Audio' if not opt.bypass else 'Bypass')
    if opt.bypass:
        print '\t  Noise:', opt.noise, ' lag:', opt.lag, 'h: [', opt.h, ']'
    print '\tFrequency:', fc, 'Hz'
    
########################################################

    #instantiate and run the source block
    src = Source(opt.monotone, opt.fname)
    src_payload, databits = src.process()  
    
    # instantiate and run the transmitter block
    xmitter = Transmitter(fc, opt.samplerate, opt.one, opt.spb, opt.silence)
    databits_with_preamble = xmitter.add_preamble(databits)
    samples = xmitter.bits_to_samples(databits_with_preamble)
    mod_samples = xmitter.modulate(samples)

####################################    
    # create channel instance
    if opt.bypass:
        h = [float(x) for x in opt.h.split(' ')]
        channel = bch.BypassChannel(opt.noise, opt.lag, h)
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)
        
    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel
Example #4
0
    print '\tSamples per bit:', opt.spb
    print '\tChannel type:', ('Audio' if not opt.bypass else 'Bypass')
    if opt.bypass:
        print '\t  Noise:', opt.noise, ' lag:', opt.lag, 'h: [', opt.h, ']'
    print '\tFrequency:', fc, 'Hz'

    ########################################################

    #instantiate and run the source block
    src = Source(opt.monotone, opt.fname)
    src_payload, databits = src.process()

    # instantiate and run the transmitter block
    xmitter = Transmitter(fc, opt.samplerate, opt.one, opt.spb, opt.silence)
    databits_with_preamble = xmitter.add_preamble(databits)
    samples = xmitter.bits_to_samples(databits_with_preamble)
    mod_samples = xmitter.modulate(samples)

    ####################################
    # create channel instance
    if opt.bypass:
        h = [float(x) for x in opt.h.split(' ')]
        channel = bch.BypassChannel(opt.noise, opt.lag, h)
    else:
        channel = ach.AudioChannel(opt.samplerate, opt.chunksize, opt.prefill)

    # transmit the samples, and retrieve samples back from the channel
    try:
        samples_rx = channel.xmit_and_recv(mod_samples)
    except ZeroDivisionError:
        # should only happen for audio channel