spiffyscore

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Overview
Comment:Program now generates a single voice with a I IV V pattern and spits out (among other things) the csound-ified score
Timelines: family | ancestors | descendants | both | ply
Files: files | file ages | folders
SHA1:338933c1a80fab31753af65cc52080657a5f8338
User & Date: spiffytech@gmail.com on 2010-11-12 20:00:57
Other Links: manifest | tags
Context
2010-11-12
20:12
Moved all logic into neat, orderly functions. Now prints only the csound score portion. check-in: 6a17d4d36a user: spiffytech@gmail.com tags: ply
20:00
Program now generates a single voice with a I IV V pattern and spits out (among other things) the csound-ified score check-in: 338933c1a8 user: spiffytech@gmail.com tags: ply
2010-11-04
20:07
Generates a score randomly. Too little guarantee of program length (lots of empty or single-phrase strings) check-in: 6bfc2449ff user: spiffytech@gmail.com tags: ply, trunk
Changes
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Modified cfg.py from [8ccb7c15cb] to [73244ab69d].

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random.seed(time.time())

grammars = {
    "u": ["I V I IV u", "e"],
    "e": [""],
}

score = "u"





































print score
while 1:
    found_substitution = False
    for key,value in grammars.iteritems():
        print "key, value =", key, value
        if score.find(key) != -1:
            print "here"
            found_substitution = True
            while score.find(key) != -1:
                score = score.replace(key, random.choice(grammars[key]), 1)
                print score
                time.sleep(.25)
    if found_substitution is False:
        break





print score













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random.seed(time.time())

grammars = {
    "u": ["I V I IV u", "e"],
    "e": [""],
}

# Generate the scale for the key we're in
comp_key = "C"
notes = ["A", "A#", "B", "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#"]
scale = [comp_key]
pos = notes.index(comp_key)
progression = [2,2,1,2,2,2,1]
for p in progression:
    pos = (pos + p) % 12
    scale.append(notes[pos])

scale_conversion = {
    "I": 1,
    "II": 2,
    "III": 3,
    "IV": 4,
    "V": 5,
    "VI": 6,
    "VII": 7,
    "VIII": 8,
}

csound_note_values = {
    "C": "00",
    "C#": "01",
    "D": "02",
    "D#": "03",
    "E": "04",
    "F": "05",
    "F#": "06",
    "G": "07",
    "F#": "08",
    "A": "09",
    "A#": "10",
    "B": "11",
}


score = "u u u"
print score
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)
                print score
        #        time.sleep(.25)
    if found_substitution is False:
        break

csound_score = []
for token in score.split():
    csound_score.append(scale[scale_conversion[token]-1])

print csound_score

t = 0 
for token in csound_score:
    note = csound_note_values[token]
    print "i2 %f 2 7000 %d.%s %d.%s 0 6" % (t, random.choice([8,9]), note, random.choice([8,9]), note)
    t += .25

Added test.orc version [a26a1f1a08].

































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sr=44100
ksmps=20
nchnls=1

instr 1
    asound oscili p4, cpspch(p5), p6
    out asound
endin
instr 2
    asound pluck   p4, cpspch(p5), cpspch(p6), p7, p8 p9 p10
    out asound
endin
instr 3
    asound pluck   p4, cpspch(p5), cpspch(p6), p7, p8 p9 p10
    out asound
endin

Added test.sco version [24ff5724a8].





















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f1  0   256 10  1 0 3   ; sine wave function table

i2 0.000000 2 7000 9.00 8.00 0 6
i2 0.250000 2 7000 9.07 9.07 0 6
i2 0.500000 2 7000 8.00 9.00 0 6
i2 0.750000 2 7000 9.05 8.05 0 6
i2 1.000000 2 7000 9.00 8.00 0 6
i2 1.250000 2 7000 9.07 9.07 0 6
i2 1.500000 2 7000 9.00 9.00 0 6
i2 1.750000 2 7000 9.05 8.05 0 6