def test_principle_tones(self):
note = 110
intervals = range(1, 12)
#intervals = [5]
events = []
pos = 0
voice = 1
for interval in intervals:
scale = slonimsky.principle_tones(interval)
freqs = [ ((deg+12)//12, tune.JUST[deg % 12]) for deg in scale ]
freqs = [ (r[1][0] / r[1][1]) * r[0] * note for r in freqs ]
for freq in freqs:
print(interval, freq)
events += [dict(
start=pos,
length=0.5,
freq=freq,
amp=dsp.rand(0.5, 0.55),
voice=voice,
)]
pos += 0.2
out = soundfont.playall("tests/sounds/florestan-gm.sf2", events)
out = fx.norm(out, 0.75)
out.write('tests/renders/slonimsky_intervals-1-12-principle-scales.wav')
def test_playall(self):
events = []
pos = 0
length = 10
while pos < length:
events += [
dict(start=pos,
length=dsp.rand(0.2, 3),
freq=30 * dsp.randint(1, 10),
amp=dsp.rand(),
voice=dsp.randint(0, 127))
]
pos += dsp.rand(0.01, 0.1)
out = soundfont.playall("tests/sounds/florestan-gm.sf2", events)
out = fx.norm(out, 0.5)
out.write('tests/renders/soundfont_playall.wav')
def test_playall(self):
events = []
pos = 0
length = 3
freqs = tune.degrees(list(range(1, 13)))
while pos < length:
events += [
dsp.event(
onset=pos,
length=dsp.rand(0.1, 3),
freq=dsp.choice(freqs) * 2**dsp.randint(0, 3),
amp=dsp.rand(),
voice=dsp.randint(0, 127),
)
]
pos += 0.25
out = soundfont.playall("tests/sounds/florestan-gm.sf2", events)
out = fx.norm(out, 0.5)
out.write('tests/renders/soundfont_playall.wav')