def Scale2MIDI(self): # method to produce a scale
MyMIDI = MIDIFile(1) # create a midifile
self.tracks = (0, 1)
start_time = 0 # starting time is initialized to be 0
MyMIDI.addTrackName(self.tracks[0], start_time, "Scale")
MyMIDI.addTempo(self.tracks[0], start_time, 80)
self.channels = (0, 1)
volume_On = 95 # on-beats are accentuated
volume_Off = 80 # off-beats are attenuated
if self.flavor == "Major":
music = class_Keys.Majors(self.Key)
elif self.flavor == "Minor":
music = class_Keys.Minors(self.Key) # write the music on the key that the user has specified
i = 0
while i < len(music.output): # remember music.output is a big list of ''lists of pitch numbers''
j = 0
while j < len(music.output[i]):
if j == 0: # accentuate the on the beats
MyMIDI.addNote(self.tracks[0], self.channels[0], music.output[i][j], start_time, 1 / 3, volume_On)
start_time += 1 / 3
j += 1
else: # off-beats attenuation
MyMIDI.addNote(self.tracks[0], self.channels[0], music.output[i][j], start_time, 1 / 3, volume_Off)
start_time += 1 / 3
j += 1
i += 1
binfile = open("Scale.mid", 'wb') # write the scale to a file named "Scale.mid"
MyMIDI.writeFile(binfile)
binfile.close()
print('A file named Scale.mid has been generated for you. This file contains the entire scales of the key chosen.')
def write_to_midi(composition, comp_name, tempo=120):
MyMIDI = MIDIFile(1)
track = 0
time = 0
channel = 0
MyMIDI.addTrackName(track, time, "Composition")
MyMIDI.addTempo(track, time, tempo)
for note in composition:
if note.value != 'silence':
MyMIDI.addNote(track, channel,
convert_pitch_to_MIDI(note.value, note.octave),
note.start_time, note.duration, note.volume)
binfile = open(comp_name + ".mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def __init__(self): # these values are all entered by the user via the GUI
self.TimeSig = None # get the time signature
self.Key = None # on which key should the music be written? gathered from user
self.Form = None # for later use if we try to write certain forms of music (Sonata, Concerto, Ritornello, etc.)
self.Genre = None # for later use if we try to include playing techniques related to certain genre (add syncopations for Jazz, etc)
self.flavor = None
self.instrs = dict([('piano', 0), ('harpsichord', 6), ('glock', 9), ('vibes', 11),
('marimba', 12), ('organ', 19), ('guitar', 24), ('bass', 32),
('violin', 40), ('viola', 41), ('cello', 42), ('contrabass', 43), ('harp', 46), ('timps', 47),
('voice', 54), ('trumpet', 56), ('tuba', 58), ('horn', 60),
('alto sax', 65), ('oboe', 68), ('bassoon', 70), ('clarinet', 71),
('flute', 73), ('recorder', 74), ('bottle', 75), ('whistle', 78),
('fifths', 96), ('halo', 94), ('goblins', 101), ('koto', 107),
('bagpipe', 109), ('taiko', 116), ('toms', 117), ('breath', 121),
('seashore', 122), ('bird', 123), ('phone', 124), ('applause', 126)]) # dictionary of possible instruments, linking the string name of the instrument to its number so that it can be accessed in the Midi file
self.MyMIDI = MIDIFile(1)
self.tracks = (0, 1)
self.channels = (0, 1, 2, 3) # four channels, (one for Soprano, Alto, Tenor, Bass)
self.length = 20 # 20 as the default number of measures
8 : ("b3", 59),
9 : ("a3", 57),
10 : ("g3", 55),
11 : ("f3", 53),
12 : ("e3", 52),
13 : ("d3", 50),
14 : ("c3", 48),
15 : ("b2", 47),
16 : ("a2", 45),
17 : ("f2", 53),
}
"""
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
def newNote(time, duration, pitch):
track = 0
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)
channel = 0
volume = 100
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
newNote(0, 1, 60) #do
newNote(1, 1, 60) #do
''' Created on Jul 30, 2013 modified from the single-note-example form midiutil @author: bailey ''' ############################################################################ # A sample program to create a multi-track MIDI file, add notes, # and write to disk. ############################################################################ #Import the library from MidiFile3 import MIDIFile # Create the MIDIFile Object MyMIDI = MIDIFile(2) ### the integer = the number of parallel tracks available # Add track names and tempo. The first argument to addTrackName and # addTempo is the time to write the event. This initialises the tracks. tracks = (0, 1) start_time = 0 MyMIDI.addTrackName(tracks[0], start_time, "Piano") MyMIDI.addTempo(tracks[0], start_time, 120) #MyMIDI.addTrackName(tracks[1],start_time,"Cello") #MyMIDI.addTempo(tracks[1],start_time, 120) # Each track can hold multiple channels, we'll use two for now channels = (0, 1) # Add a note. addNote expects the following information: #channel = some integer >= 0
