example of music stuff

gistfile1.txt

import subprocess
import os

def play_waveform(form):
    s = 'echo %s | sox -r 8000 -b 8 -c 1 -t raw -s - -d' % form
    print s
    os.system(s)

    #p = subprocess.Popen(['sox', '-r', '8000', '-b', '8', '-c', '1', '-t', 'raw', '-s', '-', '-d'], stdin=subprocess.PIPE)
    #p.stdin.write(form)
    print 'asdf'

def make_note(half_steps_above_440, length=1):
    cycles = int(8000 / (400 * 2**(float(half_steps_above_440)/12)))
    cycle = cycles/2 * 'a' + cycles/2 * 'z'
    return int(8000 / len(cycle) * length) * cycle


class Note(object):
    def __init__(self, half_steps_above_440, dur):
        pass
    def get_waveform():
        pass

def play(*notes):
    play_waveform(''.join([n.get_waveform(8000) for n in notes]))

if __name__ == '__main__':
    play_waveform(make_note(0, .5) + make_note(0, .5) +  make_note(1, .5) + make_note(3, .5))