def playtonesvol(imu):
notes = [Note('C6'), Note('C3')]
amp = 0.5 #Amplitude
sine = source.sine(notes[0], 1)
arr = numpy.array(sine)
thrd = None
while True:
src = source.sine(notes[0], 1)*0
acc = imu.getacc()
#print "acc is {}".format(acc)
ax, ay, az = acc
if ax > 1.5:
src+=source.sine(notes[0], 1)
elif ax < -1.5:
src+=source.sine(notes[1], 1)
#volume buckets [-9<=, -8, ..., 0, ..., 8, 9>= ]
vol = ay
if vol <= -9:
vol = -9
elif vol >= 9:
vol = 9
vol = (vol + 9)/18.0 #shift and normalize
data = numpy.array(src) * vol
if thrd == None or not thrd.isAlive():
thrd = threading.Thread(target=play, args=(data,))
thrd.start()
def render(self):
# Render hit of "key" for "length" amound of seconds
# XXX: Currently only uses a string pluck
key = (str(self.note), self.length)
if key not in Hit.cache:
#Hit.cache[key] = source.pluck(self.note, self.length)
#Hit.cache[key] = source.square(self.note, self.length)
Hit.cache[key] = source.sine(self.note, self.length)
return Hit.cache[key]
def render(self):
# Render hit of "key" for "length" amound of seconds
# XXX: Currently only uses a string pluck
key = (str(self.note), self.length)
if key not in Hit.cache:
#Hit.cache[key] = source.pluck(self.note, self.length)
#Hit.cache[key] = source.square(self.note, self.length)
Hit.cache[key] = source.sine(self.note, self.length)
return Hit.cache[key]
def organ_sound(freq, time):
"""get sound font of a church organ by layering the first 32 harmonics with
correct scaling on top of each other"""
frequencies = []
sinewave = 0
harmonic_scalings = get_organ_harmonic_scalings()
amplitude_scaling = 1 / 350000000 # anti-saturation
for i, harmonic_scaling in enumerate(harmonic_scalings):
frequencies.append((i + 1) * freq)
sinewave += sine(frequencies[i],
time) * convert_from_db(harmonic_scaling)
return sinewave * amplitude_scaling
def playtones(imu):
notes = [Note('C6'), Note('C5'), Note('C4'), Note('C3')]
amp = 0.5 #Amplitude
sine = source.sine(notes[0], 1)
arr = numpy.array(sine)
thrd = None
while True:
src = source.sine(notes[0], 1)*0
acc = imu.getacc()
#print "acc is {}".format(acc)
ax, ay, az = acc
if ax > 1.5:
src+=source.sine(notes[0], 1)
elif ax < -1.5:
src+=source.sine(notes[1], 1)
if ay > 1.5:
src+=source.sine(notes[2], 1)
elif ay < -1.5:
src+=source.sine(notes[3], 1)
data = numpy.array(src) * amp
if thrd == None or not thrd.isAlive():
thrd = threading.Thread(target=play, args=(data,))
thrd.start()
def render(self):
# Render hit of "key" for "length" amound of seconds
# XXX: Currently only uses a string pluck
key = (str(self.note), self.length)
if key not in Hit.cache:
if self.soundType == 'pluck':
Hit.cache[key] = source.pluck(self.note, self.length)
elif self.soundType == 'square':
Hit.cache[key] = source.square(self.note, self.length)
elif self.soundType == 'sawtooth':
Hit.cache[key] = source.sawtooth(self.note, self.length)
else:
Hit.cache[key] = source.sine(self.note, self.length)
return Hit.cache[key]
def render_note(note):
print "Rendering %r" % note
note_data = source.sine(note.frequency(), NOTE_LENGTH) * 0.2
for i in xrange(len(note_data)):
note_data[i] *= 1.0 - (float(i) / len(note_data))
factor = 1.0
data = note_data
for i in xrange(ECHO_TIMES):
factor *= ECHO_DECAY
data = numpy.append(data, note_data * factor)
fname = "out/%s%d.wav" % (note.note, note.octave)
save.save_wave(data, fname)
return fname
import numpy
from musical.theory import Note, Scale
from musical.audio import source, playback
# Define key and scale
key = Note('C4')
scale = Scale(key, 'major')
note = key
chunks = []
for i in xrange(len(scale)):
third = scale.transpose(note, 2)
chunks.append(source.sine(note, 0.5) + source.square(third, 0.5))
note = scale.transpose(note, 1)
fifth = scale.transpose(key, 4)
chunks.append(source.sine(key, 1.5) + source.square(fifth, 1.5))
print "Rendering audio..."
data = numpy.concatenate(chunks)
# Reduce volume to 50%
data = data * 0.5
print "Playing audio..."
playback.play(data)
print "Done!"
import numpy
from musical.theory import Note, Scale
from musical.audio import source, playback
# Define key and scale
key = Note('C4')
scale = Scale(key, 'major')
note = key
chunks = []
for i in xrange(len(scale)):
third = scale.transpose(note, 2)
chunks.append(source.sine(note, 0.5) + source.square(third, 0.5))
note = scale.transpose(note, 1)
fifth = scale.transpose(key, 4)
chunks.append(source.sine(key, 1.5) + source.square(fifth, 1.5))
print "Rendering audio..."
data = numpy.concatenate(chunks)
# Reduce volume to 50%
data = data * 0.5
print "Playing audio..."
playback.play(data)
print "Done!"
import numpy
from musical.theory import Note, Scale
from musical.audio import source, playback
# Define key and scale
key = Note('D3')
scale = Scale(key, 'major')
note = key
chunks = []
for i in xrange(len(scale)/3):
third = scale.transpose(note, 2)
chunks.append(source.sine(note, 0.5) + source.pluck(third, 0.5))
note = scale.transpose(note, 1)
fifth = scale.transpose(key, 4)
chunks.append(source.sine(key, 1.5) + source.pluck(fifth, 1.5))
print "Rendering audio..."
data = numpy.concatenate(chunks)
# Reduce volume to 50%
data = data * 0.5
print "Playing audio..."
playback.play(data)
print "Done!"
