def writeMidiFromPredictions(predictions, sampleRate, sampleLength, midiFileName = "predicted_notes.midi", minMIDINumber = 40, useNumberOfNotesInfo = True):
print("Writing MIDI file...")
tempo = 120 # bpm
noteDurationInSec = float(sampleLength) / float(sampleRate)
noteDurationInBeat = noteDurationInSec / 60.0 * tempo
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(0,0, tempo)
for i in range(predictions.shape[0]):
numberOfNotesVector = predictions[i,0:3]
pitchesVector = predictions[i,4:]
pitches = set()
if useNumberOfNotesInfo:
numberOfNotes = np.argmax(numberOfNotesVector)
for n in range(numberOfNotes):
thisNote = np.argmax(pitchesVector)
pitches.add(thisNote + minMIDINumber)
pitchesVector[thisNote] = -1
else:
pitchesVector = np.round(pitchesVector)
noteIndices = np.nonzero(pitchesVector)[0]
for noteIndex in noteIndices:
pitches.add(noteIndex + minMIDINumber)
for pitch in pitches:
MyMIDI.addNote(0,0,pitch,noteDurationInBeat*i,noteDurationInBeat,127)
with open(midiFileName, "wb") as output_file:
MyMIDI.writeFile(output_file)
def toMidi(chord_prog):
midi = MIDIFile(1)
track = 0
channel = 0
time = 0
duration = 2
volume = 60
for chord in chord_prog: #iterate through chords in progression
# try:
ch = Chord(chord) #get pyChord object of chord
# except:
#ValueError("Sorry! Couln't parse complex chord! Try again :(")
comps = ch.components() #get chord components using pyChord
for item in comps:
pitch = NOTES[item] #get each pitch
midi.addNote(track,
channel,
pitch,
time,
duration,
volume,
annotation=None) #add MIDI note
time += 2
with open(str(chord_prog) + ".mid", 'wb') as output_file:
midi.writeFile(output_file) #output to MIDI file
def write_to_midi(song, filename, *tempo):
track = 0
channel = 0
time = 0 # In beats
if not tempo:
tempo = 160 # In BPM
else:
tempo = tempo[0]
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(1) # One track, defaults to format 1 (tempo track
# automatically created)
MyMIDI.addTempo(track, time, tempo)
for i in range(len(song)):
if song[i][0] < 60:
volume = 92
elif song[i][0] < 50:
volume = 86
elif song[i][0] < 45:
volume = 83
else:
volume = 100
MyMIDI.addNote(track, channel, song[i][0], song[i][2],
Space_Values[song[i][1]], volume)
with open(filename + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def start():
startingPitch = args.startingnote
track = args.track
channel = args.channel
tempo = args.tempo
volume = args.velocity
time = args.time
duration = args.duration
formattedForInsert = formatDNAFile(args.sequence_file)
myDegrees, mySpeeds = textToPitches(formattedForInsert, startingPitch)
myDegrees, mySpeeds = findDifference(myDegrees, mySpeeds, startingPitch)
myDegrees, mySpeeds = sixthTurnaround(myDegrees, mySpeeds, startingPitch)
myDegrees, mySpeeds = afterSomeHalfs(myDegrees, mySpeeds, startingPitch)
MyMIDI = MIDIFile(1, adjust_origin=True) # One track
MyMIDI.addTempo(track, time, tempo)
currentTime = time
for i, pitch in enumerate(myDegrees):
MyMIDI.addNote(track, channel, pitch, currentTime, mySpeeds[i], volume)
currentTime = currentTime + mySpeeds[i]
with open("DNAmusic_" + timestamp + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def write_midi(self,name):
"""writes midi file for the piece"""
time = 0
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
for idea in self.ideas:
for note in idea.melody:
for pitch in note.pitch:
MyMIDI.addNote(track, channel, pitch, time, note.duration, volume)
time += note.duration
# adding bass
time = 0
for idea in self.ideas:
for note in idea.bass:
for pitch in note.pitch:
MyMIDI.addNote(track, channel+1, pitch, time, note.duration, volume)
time += note.duration
with open(f"{name}.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
print(f'Done! Midi file saved as "{name}.mid"')
def export_midi(self, fileName, pitches=[36, 38, 42]):
# Create a MIDI file
midi = MIDIFile(1, adjust_origin=True)
# Add the tempo track
midi.addTempo(0, 0, self.bpm)
# Add the events as notes
for event in self.events:
# Calculate the time and duration (and other variables)
channel = 9 # Because 0-15
pitch = pitches[event[1]]
time = event[0] / self.beatUnit
duration = 1
velocity = 100
# Add the note
midi.addNote(0, channel, pitch, time, duration, velocity)
# Export the file
try:
# Open the file
with open(fileName, "wb") as output:
# Write the MIDI to the file
midi.writeFile(output)
return True
except IOError:
# Error, return False
return False
def generate_random_melody():
degrees = [60, 62, 64, 65, 67, 69, 71, 72] # MIDI note number
track = 0
channel = 0
time = 0 # In beats
durations = [0.5, 1, 2] # In beats
tempo = 150 # In BPM
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(
1) # One track, defaults to format 1 (tempo track is created
# automatically)
MyMIDI.addTempo(track, time, tempo)
for i in range(10):
duration = random.choice(durations)
MyMIDI.addNote(track, channel, random.choice(degrees), time, duration,
volume)
time += duration
file = BytesIO()
MyMIDI.writeFile(file)
file.seek(0)
return file
def turnToMidi(musicls):
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
pitch = 0
duration = 1
volume = 100
midi.addTrackName(track, time, "test")
midi.addTempo(track, time, 60)
music = []
for i, pitch in enumerate(musicls):
if pitch[1] == True:
duration = 1 / 2
midi.addNote(track, channel, pitch[0], time, duration, volume)
time += 1 / 2
music.append([pitch[0], 1 / 2])
else:
duration = 1
midi.addNote(track, channel, pitch[0], time, duration, volume)
time += 1
music.append([pitch[0], 1])
print(music)
midi_file = open("mary.mid", 'wb')
midi.writeFile(midi_file)
midi_file.close()
class midiExport:
global __MyMIDI, track, channel, volume
def __init__(self, tempo):
self.track = 0
self.channel = 10 # channel (drum standard)
self.volume = 100 # volume
self.__MyMIDI = MIDIFile(
1
) # one track, defaults to format 1 (tempo track is created automatically)
self.__MyMIDI.addTempo(self.track, 0, tempo) # add tempo (bpm) to file
def addNotes(
self, durationList, midiNote
): # this function adds notes one at a time, based on a durationList
currentTime = 0 # start at position 0
for duration in durationList:
self.__MyMIDI.addNote(
self.track, self.channel, midiNote, currentTime, .25,
self.volume
) # add note (track, channel, MIDInumber, time, duration, volume)
currentTime += duration # move to next position
def saveMidi(self, filename):
with open(filename, "wb") as output_file: # create empty file
self.__MyMIDI.writeFile(output_file) # write MIDIFile
print()
print("File saved as", filename) # let user know it's done
def createMidi(mappedKeys, fileName):
track = 0
channel = 0
time = 0 # In beats
duration = 1 # In beats
tempo = 100 # In BPM
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(
1, adjust_origin=True
) # One track, defaults to format 1 (tempo track is created automatically)
MyMIDI.addTempo(track, time, tempo)
for i, pitch in enumerate(mappedKeys):
if (mappedKeys[i] != 00):
if (len(mappedKeys) > i + 1):
if (mappedKeys[i + 1] != 00):
MyMIDI.addNote(track, channel, pitch, time + i, duration,
volume)
else:
MyMIDI.addNote(track, channel, pitch, time + i,
duration + 1, volume)
else:
MyMIDI.addNote(track, channel, pitch, time + i, duration,
volume)
with open(meta.getRootDir() + '/MIDI_files/' + fileName + '.mid',
"wb") as output_file:
MyMIDI.writeFile(output_file)
def convert_to_midi(piece: np.ndarray, name, resolution=1 / 4, tempo=60):
midi_file = MIDIFile(1)
midi_file.addTempo(0, 0, tempo)
# keeps track of previous note to know if note is held
previous_notes = list(piece[0])
# keeps track of the duration the note has been held
held_note_duration = [0] * len(piece[0])
for t, notes in enumerate(piece):
for i, note in enumerate(notes):
if previous_notes[i] == note:
held_note_duration[i] += resolution
else:
prev_note = previous_notes[i]
# silent notes are nan
if not (np.isnan(prev_note)):
time = t * resolution - held_note_duration[i]
midi_file.addNote(0, i, int(prev_note), time,
held_note_duration[i], 100)
# reset if new note
held_note_duration[i] = resolution
previous_notes[i] = note
with open(f"{name}.mid", "wb") as output_file:
midi_file.writeFile(output_file)
def play(self, n=10):
# ligne suivante à changer avec un vérificateur
# de présence de package en excluant try/except
from midiutil import MIDIFile
degrees = [60, 62, 64, 65, 67, 69, 71, 72]
track = 0
channel = 0
time = 0
duration = 1
tempo = 120
volume = 100
morceau = MIDIFile(1)
morceau.addTempo(track, time, tempo)
#
for i in range(n):
j = i + self._rang_premier_terme
terme = self.get_terme_rang(j)
note = degrees[int(float(terme)) % len(degrees)]
morceau.addNote(track, channel, note, time, duration, volume)
time += 1
#
# à modifier si le fichier existe déjà
# numérotation ou nom à spécifier en variable
# optionnelle
with open("temp.mid", "wb") as sortie:
morceau.writeFile(sortie)
def midi(scale, root=60, include_bass=True):
from midiutil import MIDIFile
track = 0
channel = 0
time = 0 # In beats
duration = 1 # In beats
tempo = 130 # In BPM
volume = 120 # 0-127
for mode in get_modes(scale):
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
sequence = note_sequence(mode)
if include_bass:
MyMIDI.addNote(track, channel, root - 12, time, duration * 5,
volume)
MyMIDI.addNote(track, channel, root - 12, time + 5, duration * 5,
volume)
MyMIDI.addNote(track, channel, root - 12, time + 10, duration * 5,
volume)
MyMIDI.addNote(track, channel, root - 12, time + 15, duration * 5,
volume)
MyMIDI.addNote(track, channel, root - 12, time + 20, duration,
volume)
for i, pitch in enumerate(sequence):
MyMIDI.addNote(track, channel, root + pitch, time + i + 0.02,
duration, volume)
filename = str(mode)[1:-1]
out_file = filename + ".mid"
with open(out_file, "wb") as output_file:
MyMIDI.writeFile(output_file)
def runMido(self):
mid = mido.MidiFile('./scripts/Magenta/SecondOutput/SecondOutput.mid')
onOff = []
notes = []
time = []
trackTime = 0
program = 0
tempo = 60
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(0, 0, 0, self.program)
MyMIDI.addTempo(0, 0, self.tempo)
print("start")
for msg in mid.play():
onOff.append(msg.type)
time.append(msg.time)
test = msg.bytes()
notes.append(test[1])
print("finished")
for i in range(0, len(notes)):
MyMIDI.addNote(0, 0, notes[i], trackTime + time[i], 1, 100)
trackTime += time[i]
with open("static/audio/" + self.name + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def playMidi(self):
list=self.listMyMIDI.get(0,END)
length=len(list)
MyMIDI = MIDIFile(length)
listtrack=range(0,length)
channel = 1
listpitch = self.listPitchNum.get(0,END)
# listtime = range(0,length)
time = 0
listduration = self.listDurOut.get(0,END)
volume = 100
for i in range (0,length):
track = listtrack[i]
channel = 1
pitch = listpitch[i]
# time = listtime[i]
time = time + 1
duration = listduration[i]
volume = 100
MyMIDI.addNote(track,channel,pitch,time,duration,volume)
# binfile = open("MyMIDI.mid",'wb')
# MyMIDI.writeFile(binfile)
# binfile.close()
with open("MyMIDI.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
musicfile = open("MyMIDI.mid", 'rb')
pygame.mixer.init()
pygame.mixer.music.load(musicfile)
pygame.mixer.music.play()
def save_genome_to_midi(filename: str, genome: Genome, num_bars: int,
num_notes: int, num_steps: int, pauses: bool, key: str,
scale: str, root: int, bpm: int):
melody = genome_to_melody(genome, num_bars, num_notes, num_steps, pauses,
key, scale, root)
if len(melody["notes"][0]) != len(melody["beat"]) or len(
melody["notes"][0]) != len(melody["velocity"]):
raise ValueError
mf = MIDIFile(1)
track = 0
channel = 0
time = 0.0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, bpm)
for i, vel in enumerate(melody["velocity"]):
if vel > 0:
for step in melody["notes"]:
mf.addNote(track, channel, step[i], time, melody["beat"][i],
vel)
time += melody["beat"][i]
os.makedirs(os.path.dirname(filename), exist_ok=True)
with open(filename, "wb") as f:
mf.writeFile(f)
def writeSong(self, ascii_text):
self.reset()
MyMIDI = MIDIFile(16)
MyMIDI.addTempo(0, 0, 120)
MyMIDI.addProgramChange(4, 4, 0, 37)
MyMIDI.addProgramChange(5, 5, 0, 38)
ascii_text = self.getCountIn() + ascii_text
trackCt = 0
for lines in ascii_text.split("\n"):
trackCt = 0
print str(len(lines.split(","))) + ":" + lines + ":Track=" + str(
trackCt) + ":Time=" + str(self.time)
for note in lines.split(","):
if note != "":
if (trackCt < 4):
channel = 9
else:
channel = trackCt
print "adding " + str(trackCt) + " " + str(
channel) + " " + str(note) + " " + str(
self.time) + " 1 127"
MyMIDI.addNote(trackCt, channel,
int(note) - 1, self.time, 0.5, 127)
trackCt = trackCt + 1
if len(lines.split(",")) == 6:
self.time = self.time + 0.25
with open("myfilename.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def writefile(self, filepath):
"""
Writes the current internal musical representation to the file
specified by ``filepath``.
"""
midi = MIDIFile(
sum(1 for v in self.voices if v) + 1, True, True, True, 1)
i = -1
for vindex in range(len(self.voices)):
voice = self.voices[vindex]
if not voice:
continue
i += 1
if i == 9: i += 1
time = 0.0
midi.addTempo(i, 0, self.tempo)
midi.addProgramChange(i, i, 0, self.instruments[vindex])
for note in voice:
if note.pitch >= 0:
midi.addNote(i, i, note.pitch, time, note.duration,
note.volume)
time += note.duration
time = 0.0
midi.addTempo(9, 0, self.tempo)
for note in self.drums:
if note.pitch >= 0:
midi.addNote(9, 9, note.pitch, time, note.duration,
note.volume)
time += note.duration
with open(filepath, "wb") as outputfile:
midi.writeFile(outputfile)
def write_midi(melody, id):
old_pitch_list = melody.strip().split(' ')
pitch_list = []
for i in range(len(old_pitch_list)):
if i % 2 == 0:
pitch_list.append(old_pitch_list[i])
# return pitch_list
# create your MIDI object
mf = MIDIFile(1) # only 1 track
track = 0 # the only track
time = 0 # start at the beginning
mf.addTrackName(track, time, "Sample Track" + str(id))
mf.addTempo(track, time, 120)
# add some notes
channel = 0
volume = 100
for note in pitch_list:
pitch = pitch_dict[note]
duration = 1 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
time += 2
# write it to disk
with open("/home/ubuntu/team15/midi/record/" + str(id) + '.txt',
'w') as outtxt:
for pitch in pitch_list:
outtxt.write("%s\n" % pitch)
midi_name = str(id) + ".mid"
with open("/home/ubuntu/team15/midi/" + midi_name, 'wb') as outf:
mf.writeFile(outf)
return midi_name
def backup_section(verses, tempo, key, volume_in):
sectionMIDI = MIDIFile(1)
sectionMIDI.addTempo(track, time, tempo)
generate_track_from_source(sectionMIDI, 0, 8, verses[key][0],
verses[key][1], volume_in)
with open("beat_file/" + key + ".mid", "wb") as output_file:
sectionMIDI.writeFile(output_file)
def timeSignatureOverlap():
track = 0
pitch = 60
channel = 0
time = 0 # In beats
# duration = 1 # In beats
tempo = 120 # In BPM
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(
1) # One track, defaults to format 1 (tempo track is created
# automatically)
MyMIDI.addTempo(track, time, tempo)
howManyBeats = 16
howManyDiffSamples = 4
currPitch = 60
for i in range(howManyBeats):
time = i
for count, numSubdivisions in enumerate([3, 4, 5, 7]):
stepDuration = 1. / numSubdivisions
for howMany in range(numSubdivisions):
MyMIDI.addNote(track, channel, currPitch + count, time,
stepDuration, volume)
time += stepDuration
randomFileName = ''.join(
random.choice(string.ascii_uppercase + string.ascii_lowercase +
string.digits) for _ in range(6)) + ".mid"
with open("crazyMidiOutputs/overlap_" + randomFileName,
"wb") as output_file:
MyMIDI.writeFile(output_file)
def save_melody_to_midi(melody, filename: str):
if len(melody["notes"][0]) != len(melody["beat"]) or len(
melody["notes"][0]) != len(melody["velocity"]):
raise ValueError
mf = MIDIFile(1)
track = 0
channel = 0
time = 0.0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, bpm)
for i, vel in enumerate(melody["velocity"]):
if vel > 0:
for step in melody["notes"]:
mf.addNote(track, channel, step[i], time, melody["beat"][i],
vel)
time += melody["beat"][i]
os.makedirs(os.path.dirname(filename), exist_ok=True)
with open(filename, "wb") as f:
mf.writeFile(f)
def render_midi(spec_path, o_path="", cycle_instr=False):
with open(spec_path) as data:
spec = json.load(data)
tempo = spec['bpm']
tracks = spec['tracks']
for idx, t in enumerate(tracks):
nts = [(x + 1) + t['note_floor'] for x in t['notes']]
midi_track = MIDIFile(1)
note_dur = 4 / t['note_length']
track_notes = list(nts)
track = 0
channel = idx
time = note_dur
duration = note_dur
volume = 127 if 'midi_volume' not in t.keys() else t['midi_volume']
instrument = 1 if 'midi_instrument' not in t.keys() else t['midi_instrument']
midi_track.addTempo(track, time, tempo)
for i, pitch in enumerate(track_notes):
if cycle_instr:
instrument = int(abs(math.sin((1/(len(track_notes))) * i)) * 127)
midi_track.addProgramChange(track, channel, time * i, instrument)
midi_track.addNote(track, channel, pitch, time * i, duration, volume)
with open(o_path + '_-_Track 0' + str(idx+1)+".mid", "wb") as output_file:
midi_track.writeFile(output_file)
def send_sample():
midiData = request.get_json()
# To Do
# Data should be validated before processed
# The Midi File Creation should be in a separate function
# Try/Catch Errors
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
if isinstance(midiData, list):
for i in range(0, len(midiData)):
if midiData[i]:
for pitch in midiData[i]:
print(track, channel, notes[pitch], i, duration, volume)
MyMIDI.addNote(track, channel, notes[pitch], i, duration,
volume)
with open("test.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
output_file.close()
output_file.save('/Users/nigel/Documents/GitHub/test/backend/test.mid')
else:
console.log("Malformed Object")
# return send_from_directory(app.config["CLIENT_MIDI"], filename = 'test.txt', as_attachment=True)
# serve_static("abc")
# p = "test.txt";
# return send_file(p, as_attachment=True)
return "{Processed: true}"
def test(model, test_inputs, vocab):
for j, piece in enumerate(test_inputs):
input = []
for t in range(50):
input.append(vocab[str(piece[t])])
input = tf.convert_to_tensor(input)
beats = 80
track = 0
tempo = 60
channel = 0
duration = 1
volume = 100
generated = generate_piece(model, input, beats, vocab, tempo)
midi = MIDIFile(1)
midi.addTempo(track, beats, tempo)
for i, pitches in enumerate(generated):
pitches_array = pitches[1:-1].split(",")
for pitch in pitches_array:
try:
pitch_int = int(pitch)
midi.addNote(track, channel, pitch_int, i, duration,
volume)
except ValueError:
continue
with open("./output/" + str(j) + ".mid", "wb") as output_file:
print("Writing file {} of 25".format(j + 1))
midi.writeFile(output_file)
def write_midi(solo=None,
chords=None,
outfile="jazzy-bot-solo.mid",
channel=0,
tempo=220):
"""
write a midi file based on solo, a list of Note objects, and chords, a
list of chord objects
"""
assert (solo or chords)
if solo and chords:
midi = MIDIFile(2, adjust_origin=False)
midi.addTempo(0, 0, tempo)
write_midi_solo(midi, 0, solo, channel)
write_midi_chords(midi, 1, chords, channel)
else:
midi = MIDIFile(1, adjust_origin=False)
midi.addTempo(0, 0, tempo)
if solo:
write_midi_solo(midi, 0, solo, channel)
elif chords:
write_midi_chords(midi, 0, chords, channel)
midi.addKeySignature(0, 0, 1, SHARPS, MAJOR)
with open(outfile, "wb") as f:
midi.writeFile(f)
def generate_melody(length, root):
#seed the randome number generator
seed()
base = int(root)
len = int(length)
#prepare a major scale array based off the root, C4 is 60
notes = [base+0, base+2, base+4, base+5, base+7, base+9, base+11, base+12]
degrees = []
#generate a sequence of the length
for i in range(0, len):
degrees.append(notes[randint(0,7)])
track = 0
channel = 0
time = 0 #in beats
duration = randint(1,4,len) #in beats
tempo = 100 #in BPM
volume = 100 #0-127, as per the MIDI standard
MyMIDI = MIDIFile(1) #one track, defaults to format 1(tempo track created auto)
MyMIDI.addTempo(track,time,tempo)
current = 0
for i, pitch in enumerate(degrees):
MyMIDI.addNote(track, channel, pitch, current, duration[i], volume)
current = current + duration[i]
with open("generated.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def df_as_midi(df, tempo=120):
"""Converter dataframe to midi file expects columns time, pitchN, durationN, volumeN
for N=0...15 (0 should be omitted)
"""
track = 0
time = df.time if "time" in df.columns else range(len(df))
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, 0, tempo)
for i, row in df.iterrows():
t = time[i]
for channel in range(15):
N = "" if channel == 0 else str(channel)
if f"pitch{N}" in df.columns:
pitch = row[f"pitch{N}"]
if pitch is not None:
duration = row[f"duration{N}"] if f"duration{N}" in row else 1
volume = row[f"volume{N}"] if f"volume{N}" in row else 100
MyMIDI.addNote(
track, channel, int(pitch), int(t), int(duration), int(volume)
)
f = BytesIO()
MyMIDI.writeFile(f)
return f.getvalue()
def melody_wav(tempo,key,instrument, chords):
melody = melody_generator(key, chords)
print(melody)
track = 0
channel = 0
time = 0
duration = 1
tempo = tempo
volume = 127
midi = MIDIFile(1)
midi.addTempo(track,time,tempo)
for note in melody:
print(note)
if len(note) == 1:
midi.addNote(track,channel,note[0],time,duration,volume)
time+=1
else:
print(note[0], note[1])
midi.addNote(track,channel,note[0],time,duration/2,volume)
time+=0.5
midi.addNote(track,channel,note[1],time,duration/2,volume)
time+=0.5
with open('midi/melody.mid', 'wb') as output_file:
midi.writeFile(output_file)
fs = FluidSynth(instrument)
fs.midi_to_audio('midi/melody.mid', 'wav/melody.wav')
lowpass('wav/melody.wav', 'wav/processed_melody.wav', 1200)
def CreateDroneMidiFile(data_array, name):
print("creating Drone " + name + " midi file")
midiObj = MIDIFile(3) # create one track
midiObj.addTempo(0, 0, 150)
# track, channel, pitch, time , duration , volume
midiObj.addNote(0, 0, 48, 0, len(data_array) / 4, 100)
midiObj.addNote(1, 0, 55, 0, len(data_array) / 4, 100)
midiObj.addNote(2, 0, 60, 0, len(data_array) / 4, 100)
for i, pitch in enumerate(data_array):
forward = i / 4
######## HIGH TONIC NOTE PITCHBEND ####################
midiObj.addPitchWheelEvent(0, 0, forward,
scale_and_randomize(pitch, 7000))
######## DOMINANT NOTE PITCHBEND ######################
midiObj.addPitchWheelEvent(1, 0, forward,
scale_and_randomize(pitch, 6000))
####### LOW TONIC NOTE PITCHBEND #####################
# midiObj.addPitchWheelEvent(2, 0, note_division, scale_and_randomize(pitch))
with open("midiFiles/" + name + ".mid", "wb") as midiFile:
midiObj.writeFile(midiFile)