def adsr(snd, a=10, d=50, s=1.0, r=100):
sndlen = flen(snd)
attack = mstf(a)
decay = mstf(d)
sustain_to = s
release = mstf(r)
if attack + decay + release > sndlen:
sustain_length = sndlen - (attack + decay + release)
else:
sustain_length = 0
decay = sndlen - (attack + release)
if attack + release > sndlen:
attack = sndlen / 2
release = sndlen / 2
decay = 0
out = env(cut(snd, 0, attack), 'line')
if decay > 0:
decay = cut(snd, flen(out), decay)
if sustain_to < 1 and sustain_length > 0:
decaytable = wavetable('phasor', 1024, 1, sustain_to)
out += benv(decay, decaytable)
out += amp(cut(snd, flen(out), sustain_length), sustain_to)
out += env(cut(snd, flen(out), release), 'phasor')
return out
def adsr(snd, a=10, d=50, s=1.0, r=100):
sndlen = flen(snd)
attack = mstf(a)
decay = mstf(d)
sustain_to = s
release = mstf(r)
if attack + decay + release > sndlen:
sustain_length = sndlen - (attack + decay + release)
else:
sustain_length = 0
decay = sndlen - (attack + release)
if attack + release > sndlen:
attack = sndlen / 2
release = sndlen / 2
decay = 0
out = env(cut(snd, 0, attack), 'line')
if decay > 0:
decay = cut(snd, flen(out), decay)
if sustain_to < 1 and sustain_length > 0:
decaytable = wavetable('phasor', 1024, 1, sustain_to)
out += benv(decay, decaytable)
out += amp(cut(snd, flen(out), sustain_length), sustain_to)
out += env(cut(snd, flen(out), release), 'phasor')
return out
def crosstwo(a, b, length):
length = mstf(length)
out = ''
out += cut(a, 0, flen(a) - length)
fadeout = cut(a, flen(a) - length, length)
fadeout = env(fadeout, 'phasor')
fadein = cut(b, 0, length)
fadein = env(fadein, 'line')
out += mix([fadein, fadeout])
out += cut(b, length, flen(b) - length)
return out
def crosstwo(a, b, length):
length = mstf(length)
out = ''
out += cut(a, 0, flen(a) - length)
fadeout = cut(a, flen(a) - length, length)
fadeout = env(fadeout, 'phasor')
fadein = cut(b, 0, length)
fadein = env(fadein, 'line')
out += mix([ fadein, fadeout ])
out += cut(b, length, flen(b) - length)
return out
def benv(sound, points):
chunksize = mstf(3)
sounds = split(sound, chunksize)
points = breakpoint(points, len(sounds))
return ''.join([amp(s, points[i]) for i, s in enumerate(sounds)])
def benv(sound, points):
chunksize = mstf(3)
sounds = split(sound, chunksize)
points = breakpoint(points, len(sounds))
return ''.join([amp(s, points[i]) for i, s in enumerate(sounds)])
