def pitch2midiPyinMonoNoteOut(self, monoNoteOut_filename, monoNoteOutMidi_filename):
"""
read note pitch and convert to midi note
:param monoNoteOut_filename:
:return: noteStartingTime, noteDurationTime
"""
monoNoteOut = np.loadtxt(monoNoteOut_filename, delimiter=",", usecols=[1, 2, 3])
noteStartingTime = monoNoteOut[:, 0]
noteDurTime = monoNoteOut[:, 1]
notePitch = monoNoteOut[:, 2]
notePitchMidi = pitch2midi(notePitch)
with open(monoNoteOutMidi_filename, "w+") as outfile:
outfile.write("startTime" + "," + "pitch" + "," + "freq" + "," + "duration" + "," + "noteStr" + "\n")
for ii in range(len(noteStartingTime)):
noteCents = hz2cents(float(notePitch[ii]))
noteStr = cents2pitch(noteCents)
outfile.write(
str(noteStartingTime[ii])
+ ","
+ str(notePitchMidi[ii])
+ ","
+ str(notePitch[ii])
+ ","
+ str(noteDurTime[ii])
+ ","
+ noteStr
+ "\n"
)
return noteStartingTime, noteDurTime, notePitch, notePitchMidi
def pitch2midiPyinMonoNoteOut(self, monoNoteOut_filename,monoNoteOutMidi_filename):
'''
read note pitch and convert to midi note
:param monoNoteOut_filename:
:return: noteStartingTime, noteDurationTime
'''
monoNoteOut = np.loadtxt(monoNoteOut_filename,delimiter=',',usecols=[1,2,3])
noteStartingTime = monoNoteOut[:,0]
noteDurTime = monoNoteOut[:,1]
notePitch = monoNoteOut[:,2]
notePitchMidi = pitch2midi(notePitch)
with open(monoNoteOutMidi_filename, 'w+') as outfile:
outfile.write('startTime'+','
+'pitch'+','
+'freq'+','
+'duration'+','
+'noteStr'+'\n')
for ii in range(len(noteStartingTime)):
noteCents = hz2cents(float(notePitch[ii]))
noteStr = cents2pitch(noteCents)
outfile.write(str(noteStartingTime[ii])+','
+str(notePitchMidi[ii])+','
+str(notePitch[ii])+','
+str(noteDurTime[ii])+','
+noteStr+'\n')
return noteStartingTime, noteDurTime, notePitch, notePitchMidi
def noteEndFrameHelper(self, notePitchtrack, startDur):
notePitchtrack = np.abs(notePitchtrack)
notePitchtrack = pitch2midi(notePitchtrack) # convert to midi note
self.pitchtrackByNotes.append([notePitchtrack,startDur])
notePitchtrack = []
startDur = [0, 0]
return notePitchtrack, startDur
def doSegmentationForPyinVamp(self, pitchtrack_filename,
monoNoteOut_filename):
# doSegmentationFunction for pYin vamp plugin exported
# pitchtrack and monoNote
self.reset()
frameStartingTime, pitchtrack = self.readPyinPitchtrack(
pitchtrack_filename)
noteStartingTime, noteDurTime = self.readPyinMonoNoteOut(
monoNoteOut_filename)
# convert pitch to midi and save pitch track
monoNoteOutMidi_filename = monoNoteOut_filename[:-4] + '_midi.csv'
self.pitch2midiPyinMonoNoteOut(monoNoteOut_filename,
monoNoteOutMidi_filename)
self.minMaxPitchtrack(pitchtrack)
pitchtrack = np.abs(pitchtrack)
pitchtrack = pitch2midi(pitchtrack)
noteEndingTime = noteStartingTime + noteDurTime
noteStartingIndex = []
noteEndingIndex = []
for ii in noteStartingTime:
noteStartingIndex.append(np.argmin(np.abs(frameStartingTime - ii)))
for ii in noteEndingTime:
noteEndingIndex.append(np.argmin(np.abs(frameStartingTime - ii)))
for ii in range(len(noteStartingIndex)):
notePitchtrack = pitchtrack[noteStartingIndex[ii]:(
noteEndingIndex[ii] + 1)]
startDur = [
noteStartingIndex[ii],
noteEndingIndex[ii] - noteStartingIndex[ii] + 1
]
noteStartingFrame = int(noteStartingTime[ii] *
(self.fs / self.hopSize))
noteEndingFrame = int(noteEndingTime[ii] *
(self.fs / self.hopSize))
self.noteStartEndFrame.append([noteStartingFrame, noteEndingFrame])
self.pitchtrackByNotes.append([notePitchtrack.tolist(), startDur])
return
def doSegmentationForPyinVamp(self, pitchtrack_filename, monoNoteOut_filename):
# doSegmentationFunction for pYin vamp plugin exported
# pitchtrack and monoNote
self.reset()
frameStartingTime, pitchtrack = self.readPyinPitchtrack(pitchtrack_filename)
noteStartingTime, noteDurTime = self.readPyinMonoNoteOut(monoNoteOut_filename)
# convert pitch to midi and save pitch track
monoNoteOutMidi_filename = monoNoteOut_filename[:-4]+'_midi.csv'
self.pitch2midiPyinMonoNoteOut(monoNoteOut_filename,monoNoteOutMidi_filename)
self.minMaxPitchtrack(pitchtrack)
pitchtrack = np.abs(pitchtrack)
pitchtrack = pitch2midi(pitchtrack)
noteEndingTime = noteStartingTime+noteDurTime
noteStartingIndex = []
noteEndingIndex = []
for ii in noteStartingTime:
noteStartingIndex.append(np.argmin(np.abs(frameStartingTime - ii)))
for ii in noteEndingTime:
noteEndingIndex.append(np.argmin(np.abs(frameStartingTime - ii)))
for ii in range(len(noteStartingIndex)):
notePitchtrack = pitchtrack[noteStartingIndex[ii]:(noteEndingIndex[ii]+1)]
startDur = [noteStartingIndex[ii],noteEndingIndex[ii]-noteStartingIndex[ii]+1]
noteStartingFrame = int(noteStartingTime[ii]*(self.fs/self.hopSize))
noteEndingFrame = int(noteEndingTime[ii]*(self.fs/self.hopSize))
self.noteStartEndFrame.append([noteStartingFrame,noteEndingFrame])
self.pitchtrackByNotes.append([notePitchtrack.tolist(), startDur])
return
