Ejemplo n.º 1
0
def generate_wave(message, wpm=WPM, framerate=FRAMERATE, skip_frame=0, amplitude=AMPLITUDE, frequency=FREQUENCY, word_ref=WORD):
    """
    Generate binary Morse code of message at a given code speed wpm and framerate

    Parameters
    ----------
    word : string
    wpm : int or float - word per minute
    framerate : nb of samples / seconds
    word_spaced : bool - calculate with spaces between 2 words (default is False)
    skip_frame : int - nb of frame to skip

    Returns
    -------
    value : float

    """
    lst_bin = _encode_binary(message)
    if amplitude > 1.0:
        amplitude = 1.0
    if amplitude < 0.0:
        amplitude = 0.0
    seconds_per_dot = _seconds_per_dot(word_ref)  # =1.2
    for i in count(skip_frame):
        bit = morse_bin(i=i, lst_bin=lst_bin, wpm=wpm, framerate=framerate, default_value=0.0, seconds_per_dot=seconds_per_dot)
        sine = sine_wave(i=i, frequency=frequency, framerate=framerate, amplitude=amplitude)
        yield sine * bit
Ejemplo n.º 2
0
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)
Ejemplo n.º 3
0
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)
Ejemplo n.º 4
0
def generate_wave(message,
                  wpm=WPM,
                  framerate=FRAMERATE,
                  skip_frame=0,
                  amplitude=AMPLITUDE,
                  frequency=FREQUENCY,
                  word_ref=WORD):
    """
    Generate binary Morse code of message at a given code speed wpm and framerate

    Parameters
    ----------
    word : string
    wpm : int or float - word per minute
    framerate : nb of samples / seconds
    word_spaced : bool - calculate with spaces between 2 words (default is False)
    skip_frame : int - nb of frame to skip

    Returns
    -------
    value : float

    """
    lst_bin = _encode_binary(message)
    if amplitude > 1.0:
        amplitude = 1.0
    if amplitude < 0.0:
        amplitude = 0.0
    seconds_per_dot = _seconds_per_dot(word_ref)  # =1.2
    for i in count(skip_frame):
        bit = morse_bin(i=i,
                        lst_bin=lst_bin,
                        wpm=wpm,
                        framerate=framerate,
                        default_value=0.0,
                        seconds_per_dot=seconds_per_dot)
        sine = sine_wave(i=i,
                         frequency=frequency,
                         framerate=framerate,
                         amplitude=amplitude)
        yield sine * bit