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Diffstat (limited to 'Generation/GenerationConstants.py')
| -rwxr-xr-x | Generation/GenerationConstants.py | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/Generation/GenerationConstants.py b/Generation/GenerationConstants.py new file mode 100755 index 0000000..74b1aec --- /dev/null +++ b/Generation/GenerationConstants.py @@ -0,0 +1,160 @@ +class GenerationConstants: + + TWO_ROOT_TWELVE = pow( 2, 1./12 ) + MAX_NOTES_PER_BAR = 12 + + #STANDALONE_BEAT_LENGTH = 12 + + # Default parameters for algorithmic generation + DEFAULT_DENSITY = 0.7 + DEFAULT_RYTHM_REGULARITY = .75 + DEFAULT_STEP = -3 + DEFAULT_PITCH_REGULARITY = 0.5 + DEFAULT_ARTICULE = 0.7 + + DEFAULT_RYTHM_METHOD = 0 + DEFAULT_PITCH_METHOD = 0 + DEFAULT_PAN = 0.5 + + DEFAULT_PATTERN = 0 + + DEFAULT_PITCH_VARIATION = 0 + DEFAULT_RYTHM_VARIATION = 0 + + TABLE_ONSET_VALUES = [ 3, 4, 6, 8, 12, 18, 24, 36, 48 ] + + # scaling constants + MAJOR_SCALE = 0 + HARMONIC_MINOR_SCALE = 1 + NATURAL_MINOR_SCALE =2 + PHRYGIEN_SCALE = 3 + PENTATONIC_SCALE = 4 + BLUES_SCALE = 5 + + + SCALES = { MAJOR_SCALE : [ -12, -10, -8, -7, -5, -3, -1, 0, 2, 4, 5, 7, 9, 11, 12 ], + HARMONIC_MINOR_SCALE : [ -12, -10, -9, -7, -5, -4, -1, 0, 2, 3, 5, 7, 8, 11, 12 ], + NATURAL_MINOR_SCALE : [ -12, -10, -9, -7, -5, -4, -2, 0, 2, 3, 5, 7, 8, 10, 12 ], + PENTATONIC_SCALE : [ -12, -10, -7, -5, -3, 0, 2, 5, 7, 9, 12 ], + BLUES_SCALE : [ -12, -10, -9, -8, -7, -5, -3, -2, 0, 2, 3, 4, 5, 7, 9, 10, 12 ], + PHRYGIEN_SCALE : [ -12, -11, -9, -7, -5, -4, -2, 0, 1, 3, 5, 7, 8, 10, 12 ] } + + DEFAULT_SCALE = MAJOR_SCALE + + DEFAULT_TONIQUE = 36 + + I = [ 0, 2, 4, 7, 9, 11, 14 ] + II = [ 1, 3, 5, 8, 10, 12 ] + III = [ 2, 4, 6, 9, 11, 13 ] + IV = [ 0, 3, 5, 7, 10, 12, 14 ] + V = [ 1, 4, 6, 8, 11, 13 ] + VI = [ 0, 2, 5, 7, 9, 12, 14 ] + VII = [ 1, 3, 6, 8, 10, 13 ] + + CHORDS_TABLE = [ I, V, I, II, V, I, VI, II, V, I, IV, VI, II, V, I, V, VI ] +# CHORDS_TABLE = [I, V, I, V, I, V, I, V, I, V, I, V, I, V ] + # pitch patterns constants + # PITCH_PATTERNS = [ 'Drunk', 'DroneAndJump', 'Repeter', 'Loopseg' ] + + # Parameters for probability scaling function + REPETITION_SCALE_MIN_MAPPING = 0 + REPETITION_SCALE_MAX_MAPPING = 25 + REPETITION_SCALE_STEPS = 25 + DENSITY_SCALE_MIN_MAPPING = 0 + DENSITY_SCALE_MAX_MAPPING = 38 + DENSITY_SCALE_STEPS = 38 + ARTICULATION_SCALE_MIN_MAPPING = .3 + ARTICULATION_SCALE_MAX_MAPPING = 1 + ARTICULATION_SCALE_STEPS = 30 + + # Rythmic durations, in ticks, and how many to complete figure (celluleRythmSequence) + DOUBLE_TICK_DUR = 3 + DOUBLE_HOW_MANY = 2 + HALF_TRIPLET_TICK_DUR = 4 + HALF_TRIPLET_HOW_MANY = 3 + HOLE_TRIPLET_TICK_DUR = 8 + HOLE_TRIPLET_HOW_MANY = 3 + + # Random generators default values (xnoiseRythmSequence) + RANDOM_BETA_PARAM = 0.004 + RANDOM_EXPO_PARAM = 5 + RANDOM_GAUSS_PARAM1 = 0.5 + RANDOM_GAUSS_PARAM2 = 0.1 + RANDOM_WEIBULL_PARAM1 = 0.5 + + RANDOM_WEIBULL_PARAM2 = 2.5 + + # Onsets probability tables (drumRythmSequence) + + PUNCH_ACCENTS = [ [], + [ 0 ], + [ 0, 1 ], + [ 0, 2, 1 ], + [ 0, 2, 3, 1 ], + [ 0, 3, 2, 4, 1], + [ 0, 3, 2, 5, 1, 4 ], + [ 0, 2, 4, 6, 5, 3, 1 ], + [ 0, 4, 2, 6, 3, 7, 5, 1 ], + [ 0, 4, 6, 2, 8, 5, 3, 7, 1], + [ 0, 6, 4, 8, 2, 5, 7, 3, 9, 1], + [ 0, 4, 6, 10, 8, 2, 5, 7, 9, 3, 1], + [0, 6, 4, 2, 8, 10, 7, 5, 3, 9, 11, 1] ] + + + LOW_ACCENTS = [ [], + [ 0 ], + [ 0, 1 ], + [ 0, 2, 1 ], + [ 0, 2, 3, 1 ], + [ 0, 3, 2, 4, 1 ], + [ 0, 3, 2, 5, 1, 4 ], + [ 0, 2, 4, 6, 5, 3, 1 ], + [ 0, 4, 2, 6, 3, 7, 5, 1 ], + [ 0, 4, 6, 2, 8, 5, 3, 7, 1 ], + [ 0, 6, 4, 8, 2, 5, 7, 3, 9, 1 ], + [ 0, 4, 6, 10, 8, 2, 5, 7, 9, 3, 1 ], + [0, 6, 4, 2, 8, 10, 7, 5, 3, 9, 11, 1 ] ] + + MID_ACCENTS = [ [], + [ 0, 1 ], + [ 0, 2, 3, 1 ], + [ 0, 2, 4, 3, 1, 5 ], + [ 0, 4, 6, 2, 7, 1, 3, 5 ], + [ 0, 6, 4, 8, 2, 1, 5, 3, 9, 7 ], + [ 0, 6, 11, 5, 3, 9, 10, 2, 8, 7, 1, 4 ], + [ 0, 4, 8, 12, 10, 13, 11, 9, 3, 2, 6, 5, 7, 1 ], + [ 0, 8, 4, 12, 6, 14, 2, 10, 7, 15, 1, 9, 3, 11, 5, 13 ], + [ 0, 8, 16, 4, 12, 14, 6, 2, 10, 7, 15, 1, 9, 3, 17, 11, 5, 13], + [ 0, 10, 8, 4, 16, 12, 6, 14, 18, 2, 7, 9, 15, 3, 1, 19, 5, 11, 13, 17], + [ 0, 8, 10, 16, 4, 20, 6, 12, 18, 14, 2, 9, 7, 3, 15, 21, 19, 1, 5, 11, 17, 13], + [ 0, 10, 8, 4, 16, 6, 20, 22, 18, 12, 2, 14, 7, 9, 15, 3, 19, 1, 21, 5, 23, 17, 11, 13] ] + + HIGH_ACCENTS = [ [], + [ 1, 0 ], + [ 1, 3, 2, 0 ], + [ 5, 1, 3, 4, 2, 0 ], + [ 5, 3, 1, 7, 2, 6, 4, 0 ], + [ 7, 9, 3, 5, 1, 2, 8, 4, 6, 0 ], + [ 4, 1, 7, 5, 3, 9, 10, 2, 8, 11, 6, 0 ], + [ 1, 7, 8, 5, 10, 13, 11, 9, 3, 2, 6, 12, 4, 0 ], + [ 13, 5, 11, 3, 9, 1, 15, 10, 7, 2, 14, 6, 12, 4, 8, 0 ], + [ 13, 5, 11, 17, 3, 9, 1, 15, 7, 10, 2, 6, 14, 12, 4, 16, 8, 0 ], + [ 17, 13, 11, 5, 19, 1, 3, 15, 9, 7, 2, 18, 14, 6, 12, 16, 4, 8, 10, 0 ], + [ 13, 17, 11, 5, 1, 19, 21, 15, 3, 7, 9, 2, 14, 18, 12, 6, 20, 4, 16, 10, 8, 0 ], + [ 13, 11, 17, 23, 5, 21, 1, 19, 3, 15, 9, 7, 14, 2, 12, 18, 22, 20, 6, 16, 4, 8, 10, 0 ] ] + + # Gain boundaries + GAIN_MAX_BOUNDARY = 1. + GAIN_MID_MAX_BOUNDARY = .9 + GAIN_MID_MIN_BOUNDARY = .75 + GAIN_MIN_BOUNDARY = .65 + + # pitch mapping for drum kit + DRUMPITCH = {25: 24, 27: 26, 29: 28, 31: 30, 33: 32, 35: 34, 37: 36, 39: 38, 41: 40, 43: 42, 45: 44, 47: 46 } + + TRANSPOSE = [0.5, 0.52973154717964765, 0.56123102415468651, 0.59460355750136051, 0.6299605249474366, 0.66741992708501718, 0.70710678118654757, 0.74915353843834076, 0.79370052598409979, 0.8408964152537145, 0.89089871814033927, 0.94387431268169353, 1.0, 1.0594630943592953, 1.122462048309373, 1.189207115002721, 1.2599210498948732, 1.3348398541700344, 1.4142135623730951, 1.4983070768766815, 1.5874010519681994, 1.681792830507429, 1.7817974362806785, 1.8877486253633868, 2.0] + + CELLULES_MARKERS = [ 8, 16, 21, 24 ] + CELLULES = [ [ 3, 3, 3, 3 ], [ 3, 3, 6 ], [ 3, 6, 3 ], [ 6, 3, 3 ], [ 4, 4, 4 ], [ 4, 8 ], [ 8, 4 ], [ 6, 6 ], [ 12 ], [ 6, 12, 6 ], [ 8, 8, 8 ], [ 8, 16 ], [ 16, 8 ], [ 12, 12 ], [ 18, 6 ], + [ 6, 18 ], [ 24 ], [ 12, 12, 12 ], [ 18, 18 ], [ 24, 12 ], [ 12, 24 ], [ 36 ], [ 12, 24, 12 ], [ 24, 24 ], [ 48 ] ] + |