skip.py

skip.py

from pippi import dsp

skip_length = dsp.mstf(178)

num_alts = 5
num_sections = 20 
section_length = dsp.stf(30)

snd = dsp.read('shadows.wav').data

out = ''

def choose_part(snd, skip_length):
    return dsp.cut(snd, dsp.randint(0, dsp.flen(snd) - skip_length), skip_length)

snd = dsp.cut(snd, 0, dsp.stf(15))

for section in range(num_sections):
    elapsed = 0
    ost = choose_part(snd, skip_length)
    alts = [ choose_part(snd, skip_length) for a in range(num_alts) ]

    while elapsed < section_length:
        if dsp.rand() < 0.975:
            out += ost
            elapsed += skip_length
        else:
            num_skips = dsp.randint(2, 3) 
            out += ''.join([ dsp.randchoose(alts) for a in range(num_skips) ])
            elapsed += skip_length * num_skips

dsp.write(out, 'skipout')