Overview
| Comment: | Now handles chords |
|---|---|
| Timelines: | family | ancestors | descendants | both | ply |
| Files: | files | file ages | folders |
| SHA1: |
5aa14570f13983c6b441c37c2ebc5587 |
| User & Date: | spiffytech@gmail.com on 2010-11-13 00:12:38.000 |
| Other Links: | branch diff | manifest | tags |
Context
|
2010-11-13
| ||
| 08:26 | Added basic ABC tokenizing via the PLY module check-in: 729263ecd0 user: spiffytech@gmail.com tags: ply | |
| 00:12 | Now handles chords check-in: 5aa14570f1 user: spiffytech@gmail.com tags: ply | |
|
2010-11-12
| ||
| 20:30 | Now generates scores until it makes one 50 notes ling check-in: e425f3d6c2 user: spiffytech@gmail.com tags: ply | |
Changes
Modified cfg.py
from [d8090f9de3]
to [43fd8f5bb3].
1 2 3 4 5 6 7 8 | #!/usr/bin/env python import os import random import sys import time random.seed(time.time()) | > > | | | | > > > | > > | < | | | | | > | | > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 |
#!/usr/bin/env python
import os
import random
import sys
import time
random.seed(time.time())
def main():
key = "C"
note_grammars = {
"u": ["I V I IV u", "I IV", "I VII IV" , "e"],
"e": [""],
}
chord_grammars = {
"u": ["I IV V IV I", "e"],
"e": [""]
}
compose_piece(key, note_grammars)
compose_piece(key, chord_grammars, chords=True)
def compose_piece(key, grammars, chords=False):
score = ""
while len(score.split()) < 15:
score = "u u u"
score = generate_score(score, grammars)
score = transliterate_score(score, key, chords)
score = generate_csound_score(score)
print "f1 0 256 10 1 0 3 ; sine wave function table"
for line in score:
print line
def make_scale(key):
notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
scale = [key]
pos = notes.index(key)
progression = [2,2,1,2,2,2,1]
for p in progression:
pos = (pos + p) % 12
scale.append(notes[pos])
return scale
def generate_score(score, grammars):
while 1:
found_substitution = False
for key,value in grammars.iteritems():
if score.find(key) != -1:
found_substitution = True
while score.find(key) != -1:
score = score.replace(key, random.choice(grammars[key]), 1)
if found_substitution is False:
break
return score
def transliterate_score(score, key, chords=False):
scale = make_scale(key)
scale_conversion = {
"I": 1,
"II": 2,
"III": 3,
"IV": 4,
"V": 5,
"VI": 6,
"VII": 7,
"VIII": 8,
}
keyed_score = []
if chords is False:
for token in score.split():
keyed_score.append(scale[scale_conversion[token]-1])
else:
for token in score.split():
chord = []
root_note_index = scale.index(key) + scale_conversion[token]
chord.append(scale[root_note_index])
chord.append(scale[(root_note_index+3) % 8])
chord.append(scale[(root_note_index+5) % 8])
keyed_score.append(chord)
return keyed_score
def generate_csound_score(score):
csound_note_values = {
"C": "00",
"C#": "01",
|
| ︙ | ︙ | |||
80 81 82 83 84 85 86 |
"A": "09",
"A#": "10",
"B": "11",
}
t = 0
csound_score = []
for token in score:
| > > > > > > | | | | 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 |
"A": "09",
"A#": "10",
"B": "11",
}
t = 0
csound_score = []
for token in score:
if isinstance(token, list): # Chords
for note in token:
note = csound_note_values[note]
csound_score.append("i2 %(time)f 1 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": t, "octave": random.choice([7,8]), "note": note})
t += 1
else: # Individual notes
note = csound_note_values[token]
csound_score.append("i2 %(time)f 1 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6" % {"time": t, "octave": random.choice([8,9]), "note": note})
t += .25
return csound_score
if __name__ == "__main__": main()
|
Modified test.sco
from [9253ead855]
to [3dafd59328].
1 | f1 0 256 10 1 0 3 ; sine wave function table | | | | | | | | | | | | | | | | > | | > > | > | | | | | | > > | | > | | | | | | > | | | | | | | | | > | | | | | | | | | | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | f1 0 256 10 1 0 3 ; sine wave function table i2 0.000000 1 7000 9.00 9.00 0 6 i2 0.250000 1 7000 8.07 8.07 0 6 i2 0.500000 1 7000 8.00 8.00 0 6 i2 0.750000 1 7000 8.05 8.05 0 6 i2 1.000000 1 7000 9.00 9.00 0 6 i2 1.250000 1 7000 9.07 9.07 0 6 i2 1.500000 1 7000 8.00 8.00 0 6 i2 1.750000 1 7000 8.05 8.05 0 6 i2 2.000000 1 7000 8.00 8.00 0 6 i2 2.250000 1 7000 9.11 9.11 0 6 i2 2.500000 1 7000 8.05 8.05 0 6 i2 2.750000 1 7000 9.00 9.00 0 6 i2 3.000000 1 7000 9.07 9.07 0 6 i2 3.250000 1 7000 9.00 9.00 0 6 i2 3.500000 1 7000 8.05 8.05 0 6 f1 0 256 10 1 0 3 ; sine wave function table i2 0.000000 1 7000 8.02 8.02 0 6 i2 0.000000 1 7000 7.07 7.07 0 6 i2 0.000000 1 7000 8.11 8.11 0 6 i2 1.000000 1 7000 7.07 7.07 0 6 i2 1.000000 1 7000 8.00 8.00 0 6 i2 1.000000 1 7000 7.02 7.02 0 6 i2 2.000000 1 7000 8.09 8.09 0 6 i2 2.000000 1 7000 8.00 8.00 0 6 i2 2.000000 1 7000 8.04 8.04 0 6 i2 3.000000 1 7000 8.07 8.07 0 6 i2 3.000000 1 7000 8.00 8.00 0 6 i2 3.000000 1 7000 8.02 8.02 0 6 i2 4.000000 1 7000 7.02 7.02 0 6 i2 4.000000 1 7000 7.07 7.07 0 6 i2 4.000000 1 7000 7.11 7.11 0 6 i2 5.000000 1 7000 7.02 7.02 0 6 i2 5.000000 1 7000 7.07 7.07 0 6 i2 5.000000 1 7000 8.11 8.11 0 6 i2 6.000000 1 7000 8.07 8.07 0 6 i2 6.000000 1 7000 7.00 7.00 0 6 i2 6.000000 1 7000 7.02 7.02 0 6 i2 7.000000 1 7000 8.09 8.09 0 6 i2 7.000000 1 7000 7.00 7.00 0 6 i2 7.000000 1 7000 7.04 7.04 0 6 i2 8.000000 1 7000 7.07 7.07 0 6 i2 8.000000 1 7000 7.00 7.00 0 6 i2 8.000000 1 7000 7.02 7.02 0 6 i2 9.000000 1 7000 8.02 8.02 0 6 i2 9.000000 1 7000 8.07 8.07 0 6 i2 9.000000 1 7000 7.11 7.11 0 6 i2 10.000000 1 7000 7.02 7.02 0 6 i2 10.000000 1 7000 8.07 8.07 0 6 i2 10.000000 1 7000 8.11 8.11 0 6 i2 11.000000 1 7000 7.07 7.07 0 6 i2 11.000000 1 7000 8.00 8.00 0 6 i2 11.000000 1 7000 7.02 7.02 0 6 i2 12.000000 1 7000 8.09 8.09 0 6 i2 12.000000 1 7000 7.00 7.00 0 6 i2 12.000000 1 7000 8.04 8.04 0 6 i2 13.000000 1 7000 7.07 7.07 0 6 i2 13.000000 1 7000 7.00 7.00 0 6 i2 13.000000 1 7000 8.02 8.02 0 6 i2 14.000000 1 7000 7.02 7.02 0 6 i2 14.000000 1 7000 7.07 7.07 0 6 i2 14.000000 1 7000 7.11 7.11 0 6 |