def playchords(imu):
key = Note('E3')
scale = Scale(key, 'harmonic minor')
progression = Chord.progression(scale, base_octave=key.octave)
time = 0.0
timeline = Timeline()
chord = progression[0]
d = 3.0 #length of time (seconds)
chords = [Hit(chord.notes[0], d), Hit(chord.notes[1], d), Hit(chord.notes[2], d), Hit(chord.notes[0], d)]
amp = 0.25 #Amplitude
thrd = None
while True:
timeline = Timeline()
acc = imu.getacc()
#print "acc is {}".format(acc)
ax, ay, az = acc
if ax > 1.5:
timeline.add(0.0, chords[0])
elif ax < -1.5:
timeline.add(0.0, chords[1])
if ay > 1.5:
timeline.add(0.0, chords[2])
elif ay < -1.5:
timeline.add(0.0, chords[3])
data = timeline.render() * amp
if thrd == None or not thrd.isAlive():
thrd = threading.Thread(target=play, args=(data,))
thrd.start()
def get_chord(self, root, is_major):
third = root + 4 if is_major else root + 3
fifth = root + 7
return Chord(
[self.get_note(root),
self.get_note(third),
self.get_note(fifth)])
def generate_song(
notes_per_chord,
num_repeats,
note_time=0.25,
prog_intervals=(7, 2, -4j, 5)
):
# generate a random major key
root = Note(rand.choice(Note.NOTES))
scale_notes = Scale(root, 'major')
octave = 3
progression = Chord.progression(
Scale(
root,
[int(p.real + p.imag) for p in prog_intervals]
),
octave
)
for i, z in enumerate(prog_intervals):
if z.imag != 0:
# TODO: cannot have a repeated chord be minor
progression[i] = major_to_minor(progression[i])
# generates a melody for the progression
low_octave = 4
prev_note = rand.choice(list(scale_notes)).at_octave(low_octave)
melody = []
for _ in range(notes_per_chord * len(progression) * num_repeats):
note_dist = int(round(rand.gauss(0, 2)))
prev_note = scale_notes.transpose(prev_note, note_dist)
melody.append(prev_note)
# build up the HLR from the melody progression
song = []
t = 0
for i in range(num_repeats):
for chord in progression:
song.append(
(t*note_time, chord, note_time*notes_per_chord)
)
t += notes_per_chord
for i in range(len(melody)):
note = melody[i]
song.append((i*note_time, Chord([note]), note_time))
return song
def get_real_universe_dist(cls, U, V):
zero_hit = (Chord([Note('c0')]), 0)
if len(U) == 0:
U = [zero_hit]
if len(V) == 0:
V = [zero_hit]
# sum(dist(u,v) for all u,v)
total_sum = 0
for u in U:
for v in V:
total_sum += cls.get_real_pairwise_dist(u, v)
normed_sum = total_sum / (len(U) * len(V))
return normed_sum
def get_hlr_from_latent(self, latent):
song = []
t = 0
for i in range(self.num_repeats):
for j in range(self.num_chords):
chord_root = latent[2 * j]
is_major = latent[2 * j + 1]
chord = self.get_chord(chord_root, is_major)
song.append((t * self.time_per_note, chord,
self.time_per_note * self.notes_per_chord))
t += self.notes_per_chord
num_melody_notes = self.num_repeats * self.num_chords
num_melody_notes *= self.notes_per_chord
offset = 2 * self.num_chords
for i in range(num_melody_notes):
song.append((i * self.time_per_note,
Chord([self.get_note(latent[offset + i])]),
self.time_per_note))
return song
if len(argv) >= 2:
random_seed = argv[1]
seed(random_seed)
filepath = "public/generated_songs/song_" + random_seed + ".wav"
if len(argv) > 2:
filepath = argv[2]
# Define key and scale
random_note = choice(Note.NOTES)
key = Note(random_note + '3')
# scale = Scale(key, choice([l for l in list(NAMED_SCALES.values()) if len(l) == 7]))
scale = Scale(key, uniform(0, 1) > 0.3 and 'major' or 'minor')
# Grab key_chords chords from scale starting at the octave of our key
key_chords = Chord.progression(scale, base_octave=key.octave)
time = 0.0 # Keep track of currect note placement time in seconds
rhythm_mod = uniform(0.5, 1.5) # lower number = faster tempo
print("rhythm_mod = " + str(rhythm_mod))
timeline = Timeline()
def render_melody(rhythm, melody):
global time
print("r = " + str(rhythm))
for r, m in zip(rhythm, melody):
# print("len(chords) = %s, m = %s" %(len(key_chords), m))
note = key_chords[m]
from musical.theory import Note, Scale, Chord
from musical.audio import playback
from timeline import Hit, Timeline
# Define key and scale
key = Note('D3')
scale = Scale(key, 'minor')
# Grab progression chords from scale starting at the octave of our key
progression = Chord.progression(scale, base_octave=key.octave)
time = 0.0 # Keep track of currect note placement time in seconds
timeline = Timeline()
# Add progression to timeline by arpeggiating chords from the progression
for index in [0, 2, 3, 1, 0, 2, 3, 4, 5, 4, 0]:
chord = progression[index]
root, third, fifth = chord.notes
arpeggio = [root, third, fifth, third, root, third, fifth, third]
for i, interval in enumerate(arpeggio):
ts = float(i * 2) / len(arpeggio)
timeline.add(time + ts, Hit(interval, 1.0))
time += 2.0
# Strum out root chord to finish
chord = progression[0]
timeline.add(time + 0.0, Hit(chord.notes[0], 4.0))
timeline.add(time + 0.1, Hit(chord.notes[1], 4.0))
timeline.add(time + 0.2, Hit(chord.notes[2], 4.0))
def generate_progression(*args, **kwargs):
if not kwargs.get('progression', False):
kwargs['key'] = Note(kwargs.get('note', 'D3'))
kwargs['scale'] = Scale(kwargs['key'], kwargs.get('scale', 'major'))
kwargs['progression'] = Chord.progression(kwargs['scale'], base_octave=kwargs['key'].octave)
return func(*args, **kwargs)
def main(argv):
try:
opts, args = getopt.getopt(argv, "hdsm", ['help', 'debug', 'startup', 'morning'])
except getopt.GetoptError:
usage()
sys.exit(2)
global _debug
_debug = 0
morning = False
for opt, arg in opts:
if opt in ("-h", "--help"):
usage()
sys.exit()
if opt in ("-m", "--morning"):
morning = True
_debug = 1
if opt == '-d':
_debug = 1
if opt in ("-s", "--startup"):
import time
time.sleep(90)
#os.system("/usr/bin/tvservice -o")
# Increase chance of singing at sunrise/sunset
import ephem
birdcage = ephem.Observer()
birdcage.lat = '51.497517'
birdcage.lon = '0.080380'
birdcage.date = str(datetime.datetime.now())
birdcage.elevation = 5
sun = ephem.Sun()
next_sunrise = birdcage.next_rising(sun)
early_next_sunrise = ephem.Date(next_sunrise - 15 * ephem.minute)
late_next_sunrise = ephem.Date(next_sunrise + 15 * ephem.minute)
next_sunset = birdcage.next_setting(sun)
early_next_sunset = ephem.Date(next_sunset - 15 * ephem.minute)
late_next_sunset = ephem.Date(next_sunset + 15 * ephem.minute)
sunrise = False;
sunset = False;
if (birdcage.date > early_next_sunrise and birdcage.date < late_next_sunrise):
#print 'Sunrise roll'
sunrise = true;
dice_roll = random.choice([1,2,3,4,5,6,7,8])
elif (birdcage.date > early_next_sunset and birdcage.date < late_next_sunset):
#print 'Sunset roll'
sunset = true;
dice_roll = random.choice([1,2,3,4,5,6,7,8])
else:
dice_roll = random.choice([1,2,3,4,5,6])
if (dice_roll < 5 and _debug <> 1):
#print "Going back to sleep"
sys.exit()
# We're alive, import what else we need now
sys.path.append(os.path.join(os.path.dirname(__file__), 'python-musical'))
from musical.theory import Note, Scale, Chord
from musical.audio import effect, playback
from timeline import Hit, Timeline
# Define key and scale
key = Note((random.choice(Note.NOTES), random.choice([2,3,3])))
scales = ['major', 'minor', 'melodicminor', 'harmonicminor', 'pentatonicmajor', 'bluesmajor', 'pentatonicminor', 'bluesminor', 'augmented', 'diminished', 'wholehalf', 'halfwhole', 'augmentedfifth', 'japanese', 'oriental', 'ionian', 'phrygian', 'lydian', 'mixolydian', 'aeolian', 'locrian']
random.shuffle(scales)
scale = Scale(key, random.choice(scales))
#print key
#print scale
# Grab progression chords from scale starting at the octave of our key
progression = Chord.progression(scale, base_octave=key.octave)
time = 0.0 # Keep track of correct note placement time in seconds
timeline = Timeline()
# Pick a notes from a chord randomly chosen from a list of notes in this progression
chord = progression[ random.choice(range(len(progression)-1)) ]
notes = chord.notes
melodies = [
[0.8, 0.2],
[0.4, 0.2],
[0.2, 0.8],
[0.2, 0.4],
[0.6, 0.2],
[0.4, 0.4, 0.2],
[0.6, 0.1, 0.1],
[0.8, 0.1, 0.2],
[0.2, 0.2, 0.2],
[0.2, 0.4, 0.2],
[1.0, 0.1, 0.2, 0.1, 0.2, 0.10, 0.1],
[0.8, 0.4, 0.1, 0.2, 0.4, 0.1, 0.2],
[0.8, 0.4, 0.4, 0.2, 0.2, 0.1, 0.1],
[0.4, 0.0, 0.1, 0.1, 0.2, 0, 0.1, 0.4],
[0.1, 0.1, 0.1, 0.0, 0.2, 0.0, 0.1, 0.2, 0.4],
[0.8, 0.4, 0.1, 0.4, 0.2, 0.2, 0.1, 0.2, 0.8, 0.1, 0.4, 0.1],
[0.2, 0.2, 0.4, 0.2, 0.1, 0.1, 0.0, 0.2],
[1.0, 0.1, 0.2, 0.1, 0.2, 0.2],
[0.2, 0.1, 0.2, 0.4, 0.1, 0.2, 0.4],
[0.4, 0.1, 0.4, 0.2, 0.4, 0.1, 0.4, 0.2],
[0.1, 0.1, 0.1, 0.2, 0.1, 0.1, 0.2],
[0.1, 0.1, 0.1, 0.2, 0.1, 0.1, 0.1, 0.2, 0.0],
[0.1, 0.0, 0.1, 0.0, 0.1, 0.0, 0.2, 0.0, 0.2, 0.0, 0.1, 0.1, 0.3],
]
if sunrise or sunset:
random_melody = random.choice(melodies[0:12])
else:
random_melody = random.choice(melodies)
# Testing a new melody-generation idea - duncan 11/4/20
# - needs more work, disabling for now - 12/4/20
#random_melody = []
#melody_length = random.randrange(1, 12)
#
#for i in range(0, melody_length):
# random_melody.append( round(random.uniform(0.1, 0.6), 1) )
# test end
if morning:
random_melody = melodies[-1]
print random_melody
last_interval = 0.0
last_transpose = 0
for i, interval in enumerate(random_melody):
random_note = random.choice(notes)
# the first note should be high
# identical intervals should often hold the same pitch
# otherwise, pick a random pitch
if i == 0:
random_transpose = random.choice([8, 12])
elif (last_interval == interval):
if random.choice([0,1,2]) == 2:
random_transpose = last_transpose
else:
random_transpose = 0
else:
random_transpose = random.choice([0,2,4,6,8,10,12])
last_interval = interval
last_transpose = random_transpose
note = random_note.transpose(random_transpose)
#print note
# favour queued notes, but occasionally overlap them too
if (random.choice([1,2,3,4,5,6]) > 2):
time = time + interval
timeline.add(time, Hit(note, interval))
else:
timeline.add(time, Hit(note, interval))
time = time + interval
#print "Rendering audio..."
data = timeline.render()
# Reduce volume to 50%
data = data * 0.5
print "Playing audio..."
if morning:
for i in range(2):
playback.play(data)
else:
for i in range(random.choice([1,2])):
playback.play(data)
def major_to_minor(chord):
root = chord.notes[0]
third = chord.notes[1]
minor_third = third.transpose(-1)
fifth = chord.notes[2]
return Chord([root, minor_third, fifth])
from musical.theory import Note, Scale, Chord
# generate a random major key
root = Note('c')
scale = Scale(root, 'major')
# generate a I-V-vi-IV progression
progression = Chord.progression(Scale(root, (7, 2, -4, -5)), 3)
for chord in progression:
print chord
def main(argv):
try:
opts, args = getopt.getopt(argv, "hds", ['help', 'debug', 'startup'])
except getopt.GetoptError:
usage()
sys.exit(2)
global _debug
_debug = 0
for opt, arg in opts:
if opt in ("-h", "--help"):
usage()
sys.exit()
elif opt == '-d':
_debug = 1
elif opt in ("-s", "--startup"):
import time
time.sleep(90)
os.system("/usr/bin/tvservice -o")
_debug = 1
# Increase chance of singing at sunrise/sunset
import ephem
birdcage = ephem.Observer()
birdcage.lat = '51.5034070'
birdcage.lon = '-0.1275920'
birdcage.elevation = 19
sun = ephem.Sun()
next_sunrise = birdcage.next_rising(sun)
early_next_sunrise = ephem.Date(next_sunrise - 15 * ephem.minute)
late_next_sunrise = ephem.Date(next_sunrise + 15 * ephem.minute)
next_sunset = birdcage.next_setting(sun)
early_next_sunset = ephem.Date(next_sunset - 15 * ephem.minute)
late_next_sunset = ephem.Date(next_sunset + 15 * ephem.minute)
if (birdcage.date > early_next_sunrise and birdcage.date < late_next_sunrise):
print 'Sunrise roll'
dice_roll = random.choice([1,2,3,4,5])
elif (birdcage.date > early_next_sunset and birdcage.date < late_next_sunset):
print 'Sunset roll'
dice_roll = random.choice([1,2,3,4,5])
else:
dice_roll = random.choice([1,2,3,4,5,6])
if (dice_roll < 5 and _debug <> 1):
print "Going back to sleep"
sys.exit()
# We're alive, import what else we need now
sys.path.append(os.path.join(os.path.dirname(__file__), 'python-musical'))
from musical.theory import Note, Scale, Chord
from musical.audio import effect, playback
from timeline import Hit, Timeline
# Define key and scale
key = Note((random.choice(Note.NOTES), random.choice([2,3,3])))
scales = ['major', 'minor', 'melodicminor', 'harmonicminor', 'pentatonicmajor', 'bluesmajor', 'pentatonicminor', 'bluesminor', 'augmented', 'diminished', 'wholehalf', 'halfwhole', 'augmentedfifth', 'japanese', 'oriental', 'ionian', 'phrygian', 'lydian', 'mixolydian', 'aeolian', 'locrian']
scale = Scale(key, random.choice(scales))
print key
print scale
# Grab progression chords from scale starting at the octave of our key
progression = Chord.progression(scale, base_octave=key.octave)
time = 0.0 # Keep track of currect note placement time in seconds
timeline = Timeline()
# Pick a notes from a chord randomly chosen from a list of notes in this progression
chord = progression[ random.choice(range(len(progression)-1)) ]
notes = chord.notes
melodies = [
[1.0, 0.1, 0.2, 0.1, 0.2, 0.10, 0.1],
[0.8, 0.1, 0.1, 0.2],
[0.8, 0.4, 0.1, 0.2, 0.4, 0.1, 0.2],
[0.8, 0.4, 0.4, 0.2, 0.2, 0.1, 0.1],
[0.4, 0.0, 0.1, 0.1, 0.2, 0, 0.1, 0.4],
[0.1, 0.1, 0.1, 0.0, 0.2, 0.0, 0.1, 0.2, 0.4],
[0.8, 0.4, 0.1, 0.4, 0.2, 0.2, 0.1, 0.2, 0.8, 0.1, 0.4, 0.1],
[0.2, 0.2, 0.4, 0.2, 0.1, 0.1, 0.0, 0.2],
[1.0, 0.1, 0.2, 0.1, 0.2, 0.2],
[0.2, 0.1, 0.2, 0.4, 0.1, 0.2, 0.4],
[0.4, 0.1, 0.4, 0.2, 0.4, 0.1, 0.4, 0.2],
[0.1, 0.1, 0.1, 0.2, 0.1, 0.1, 0.2],
[0.1, 0.1, 0.1, 0.2, 0.1, 0.1, 0.1, 0.2, 0.0],
[0.1, 0.0, 0.1, 0.0, 0.1, 0.0, 0.2, 0.0, 0.2, 0.0, 0.1, 0.1, 0.3],
]
random_melody = random.choice(melodies)
print random_melody
last_interval = 0.0
last_transpose = 0
for i, interval in enumerate(random_melody):
random_note = random.choice(notes)
# the first note should be high
# identical intervals should often hold the same pitch
# otherwise, pick a random pitch
if i == 0:
random_transpose = random.choice([8, 12])
elif (last_interval == interval):
if random.choice([0,1,2]) == 2:
random_transpose = last_transpose
else:
random_transpose = 0
else:
random_transpose = random.choice([0, 2,4,6,8,10,12])
last_interval = interval
last_transpose = random_transpose
note = random_note.transpose(random_transpose)
#print note
# favour queued notes, but occasionally overlap them too
if (random.choice([1,2,3,4,5,6]) > 2):
time = time + interval
timeline.add(time, Hit(note, interval))
else:
timeline.add(time, Hit(note, interval))
time = time + interval
print "Rendering audio..."
data = timeline.render()
# Reduce volume to 95%
data = data * 0.95
print "Playing audio..."
for i in range(random.choice([1,2])):
playback.play(data)
print "Done!"
