def test_harmonics(self):
wt = dsp.wt('sine')
wt = wt.harmonics()
wt.graph('tests/renders/graph_harmonics.png', stroke=3)
osc = Osc(wt, freq=80)
out = osc.play(10)
out.write('tests/renders/osc_harmonics.wav')
def test_harmonics(self):
wt = dsp.wt('sine')
wt = wt.harmonics()
wt.graph('tests/renders/graph_harmonics.png', stroke=3)
osc = Osc(wt, freq=80)
out = osc.play(10)
out.write('tests/renders/osc_harmonics.wav')
def test_bandlimiting_osc(self):
sr = 44100
time = 4
length = sr * time
sweep = np.logspace(0, 9, length, base = 2) * 30
out = Osc('tri', freq=sweep, quality=6).play(time)
out.write('tests/renders/osc_bl.wav')
def test_fm_osc(self):
pm = Osc('sine', freq=200.0).play(1).env('tri') * 1000
out = Osc('sine', freq=pm).play(1)
out.write('tests/renders/osc_fm.wav')
pm = Osc('sine', freq=[200.0, 300, 400], freq_interpolator='trunc').play(1).env('tri') * 1000
out = Osc('sine', freq=pm).play(1)
out.write('tests/renders/osc_fm_trunc.wav')
def test_create_sinewave(self):
osc = Osc('sine', freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_sinewave.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtA = [ random.random() for _ in range(random.randint(10, 1000)) ]
osc = Osc(wtA, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_list_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtB = dsp.wt([ random.random() for _ in range(random.randint(10, 1000)) ])
osc = Osc(wtB, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_wt_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
osc = Osc(wtC, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_guitar_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def __init__(self, params):
buff = SoundBuffer(channels=1)
length = 1
if params.isNoise == 1:
buff = noise.bln(params.getOscType(),
params.getLength(),
30,
150000,
channels=1)
else:
buff = Osc(str(params.getOscType()),
freq=list(params.getPitches()),
channels=1).play(params.getLength())
buff = buff.adsr(a=params.A, d=params.D, s=params.S, r=params.R)
bpfilter = params.getBandPass()
buff.frames = helpers.butter_bandpass_filter(buff.frames,
bpfilter[0],
bpfilter[1],
sr,
order=bpfilter[2])
#a high pass
buff.frames = helpers.butter_bandpass_filter(buff.frames,
80,
15000,
sr,
order=8)
self.buff = buff
def __init__(self, params):
buff = SoundBuffer(channels=1)
length = 1
if params.isNoise == 1:
buff = noise.bln(str(params.oscType),
params.length,
30,
150000,
channels=1)
else:
buff = Osc(str(params.oscType), freq=params.pitches,
channels=1).play(params.length)
buff = buff.adsr(a=params.A, d=params.D, s=params.S, r=params.R)
buff.frames = butter_bandpass_filter(buff.frames,
params.bpCutLow,
params.bpCutHigh,
sr,
order=params.bpOrder)
self.buff = buff
def test_create_sinewave(self):
osc = Osc('sine', freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_sinewave.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtA = [random.random() for _ in range(random.randint(10, 1000))]
osc = Osc(wtA, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_list_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtB = dsp.wt(
[random.random() for _ in range(random.randint(10, 1000))])
osc = Osc(wtB, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_wt_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
osc = Osc(wtC, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_guitar_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_pm_osc(self):
pmtest = Osc('sine', freq=[0, 800, 0], quality=6).play(1).env('tri')
out = Osc('sine', freq=200, pm = pmtest, quality=6).play(1).env("tri")
out.write('tests/renders/osc_pm.wav')
import random
from pippi import dsp
from pippi.oscs import Osc
# Create a wavetable osc with a randomly
# selected waveform type
osc = Osc(freq=440, wavetable=dsp.RND)
# Length in seconds
length = 1
# Fill a SoundBuffer with output from the osc
out = osc.play(length) * 0.5
# Write the output buffer to a WAV file
out.write('simple_osc.wav')
def test_fm_osc(self):
pm = Osc('sine', freq=200.0).play(1).env('tri') * 1000
out = Osc('sine', freq=pm).play(1)
out.write('tests/renders/osc_fm.wav')
import random
from pippi.oscs import Osc
waveform_types = ['square', 'sine', 'triangle', 'saw', 'rsaw', 'cosine']
# Create a wavetable osc with a randomly
# selected waveform type
osc = Osc(freq=440, wavetable=random.choice(waveform_types))
# Length in frames
length = 44100
# Fill a SoundBuffer with output from the osc
out = osc.play(length, amp=0.5)
# Write the output buffer to a WAV file
out.write('simple_osc.wav')
def test_create_sinewave(self):
osc = Osc(dsp.SINE, random.triangular(20, 20000))
length = random.triangular(0.01, 1)
out = osc.play(length)
self.assertEqual(len(out), int(length * out.samplerate))
def test_create_sinewave(self):
osc = Osc(random.triangular(20, 20000), wavetable='sine')
length = random.randint(1, 44100)
out = osc.play(length)
self.assertEqual(len(out), length)