def preview_wave(message,
wpm=WPM,
frequency=FREQUENCY,
framerate=FRAMERATE,
amplitude=AMPLITUDE,
word_ref=WORD):
"""
Listen (preview) wave
sounddevice is required http://python-sounddevice.readthedocs.org/
$ pip install sounddevice
"""
samp_nb = samples_nb(message=message,
wpm=wpm,
framerate=framerate,
word_spaced=False)
import sounddevice as sd
lst_bin = _encode_binary(message)
amplitude = _limit_value(amplitude)
seconds_per_dot = _seconds_per_dot(word_ref) # 1.2
a = [
calculate_wave(i, lst_bin, wpm, frequency, framerate, amplitude,
seconds_per_dot) for i in range(samp_nb)
]
sd.play(a, framerate, blocking=True)
def preview_wave(message, wpm=WPM, frequency=FREQUENCY, framerate=FRAMERATE, amplitude=AMPLITUDE, word_ref=WORD):
"""
Listen (preview) wave
sounddevice is required http://python-sounddevice.readthedocs.org/
$ pip install sounddevice
"""
samp_nb = samples_nb(message=message, wpm=wpm, framerate=framerate, word_spaced=False)
import sounddevice as sd
lst_bin = _encode_binary(message)
amplitude = _limit_value(amplitude)
seconds_per_dot = _seconds_per_dot(word_ref) # 1.2
a = [calculate_wave(i, lst_bin, wpm, frequency, framerate, amplitude, seconds_per_dot)
for i in range(samp_nb)]
sd.play(a, framerate, blocking=True)
def main():
parser = argparse.ArgumentParser(prog="msound", description='Create or listen morse code sound')
parser.add_argument('-c', '--channels', help="Number of channels to produce", default=CHANNELS, type=int)
parser.add_argument('-b', '--bits', help="Number of bits in each sample", choices=(BITS,), default=BITS, type=int)
parser.add_argument('-r', '--rate', help="Sample rate in Hz", default=FRAMERATE, type=int)
parser.add_argument('-a', '--amplitude', help="Amplitude of the wave on a scale of 0.0-1.0.", default=AMPLITUDE, type=float)
parser.add_argument('-f', '--frequency', help="Frequency of the wave in Hz", default=FREQUENCY, type=float)
parser.add_argument('-o', '--filename', help="The file to generate.", default='')
parser.add_argument('-m', '--message', help='Message', default='SOS')
parser.add_argument('-d', '--duration', help='Element duration', default=None, type=float)
parser.add_argument('-s', '--speed', help="Speed in wpm (Words per minutes)", default=None, type=float)
parser.add_argument('-w', '--word-ref', help="Reference word", default=WORD)
parser.add_argument('-l', '--loop', dest='loop', action='store_true')
args = parser.parse_args()
message = args.message
element_duration = args.duration
wpm = args.speed
framerate = args.rate
amplitude = args.amplitude
word_ref = args.word_ref
element_duration, wpm = _get_speed(element_duration, wpm)
display(message, wpm, element_duration, word_ref)
if args.filename == '': # preview
preview_wave(message, wpm, args.frequency, framerate, amplitude, word_ref)
while(args.loop):
message_with_space = " " + message
preview_wave(message_with_space, wpm, args.frequency, framerate, amplitude, word_ref)
else:
channels = ((generate_wave(message=message, wpm=wpm, framerate=framerate, skip_frame=0),) for i in range(args.channels))
# convert the channel functions into waveforms
samp_nb = samples_nb(message=message, wpm=wpm, framerate=framerate, word_spaced=False)
samples = compute_samples(channels, samp_nb)
if args.filename == '-': # write to console
filename = sys.stdout
write_wavefile(filename, samples, samp_nb, args.channels, args.bits // 8, args.rate)
else: # write the samples to a .wav file
filename = args.filename
write_wavefile(filename, samples, samp_nb, args.channels, args.bits // 8, args.rate)
def main():
parser = argparse.ArgumentParser(
prog="msound", description='Create or listen morse code sound')
parser.add_argument('-c',
'--channels',
help="Number of channels to produce",
default=CHANNELS,
type=int)
parser.add_argument('-b',
'--bits',
help="Number of bits in each sample",
choices=(BITS, ),
default=BITS,
type=int)
parser.add_argument('-r',
'--rate',
help="Sample rate in Hz",
default=FRAMERATE,
type=int)
parser.add_argument('-a',
'--amplitude',
help="Amplitude of the wave on a scale of 0.0-1.0.",
default=AMPLITUDE,
type=float)
parser.add_argument('-f',
'--frequency',
help="Frequency of the wave in Hz",
default=FREQUENCY,
type=float)
parser.add_argument('-o',
'--filename',
help="The file to generate.",
default='')
parser.add_argument('-m', '--message', help='Message', default='SOS')
parser.add_argument('-d',
'--duration',
help='Element duration',
default=None,
type=float)
parser.add_argument('-s',
'--speed',
help="Speed in wpm (Words per minutes)",
default=None,
type=float)
parser.add_argument('-w',
'--word-ref',
help="Reference word",
default=WORD)
parser.add_argument('-l', '--loop', dest='loop', action='store_true')
args = parser.parse_args()
message = args.message
element_duration = args.duration
wpm = args.speed
framerate = args.rate
amplitude = args.amplitude
word_ref = args.word_ref
element_duration, wpm = _get_speed(element_duration, wpm)
display(message, wpm, element_duration, word_ref)
if args.filename == '': # preview
preview_wave(message, wpm, args.frequency, framerate, amplitude,
word_ref)
while (args.loop):
message_with_space = " " + message
preview_wave(message_with_space, wpm, args.frequency, framerate,
amplitude, word_ref)
else:
channels = ((generate_wave(message=message,
wpm=wpm,
framerate=framerate,
skip_frame=0), )
for i in range(args.channels))
# convert the channel functions into waveforms
samp_nb = samples_nb(message=message,
wpm=wpm,
framerate=framerate,
word_spaced=False)
samples = compute_samples(channels, samp_nb)
if args.filename == '-': # write to console
filename = sys.stdout
write_wavefile(filename, samples, samp_nb, args.channels,
args.bits // 8, args.rate)
else: # write the samples to a .wav file
filename = args.filename
write_wavefile(filename, samples, samp_nb, args.channels,
args.bits // 8, args.rate)
