def __init__(self, guitar, fretboardNum):
super().__init__()
self.screenWidth = QApplication.desktop().availableGeometry().width()
self.guitar = guitar
self.fretboardNum = int(fretboardNum) + 1 # include fret zero
self.c = chord()
self.roots = self.c.musicNotes
self.initUI()
def loss_function(recon_x, x, consonanse, labels):
cd = chord()
BCE = F.binary_cross_entropy(recon_x,
x.float().view(-1, 16 * ((12 + 1) * 2)),
reduction='sum')
# see Appendix B from VAE paper:
# Kingma and Welling. Auto-Encoding Variational Bayes. ICLR, 2014
# https://arxiv.org/abs/1312.6114
# 0.5 * sum(1 + log(sigma^2) - mu^2 - sigma^2)
# KLD = -0.5 * torch.sum(1 + logvar - mu.pow(2) - logvar.exp())
recon_x = torch.t(recon_x).reshape(-1, (12 + 1) * 2)
# print(torch.t(x).reshape(-1, 13))
"""ConsonanseLoss = F.binary_cross_entropy(cd.loss_exam(recon_x, labels),
cd.loss_exam(x[0], labels).float().detach())"""
ConsonanseLoss = BCE.item() / 10 * (cd.loss_exam(
recon_x, labels) - cd.loss_exam(x[0], labels).float().detach())**2
# print(ConsonanseLoss)
return BCE + ConsonanseLoss, ConsonanseLoss
def calc_chord(self, x, labels):
cd = chord()
return cd.test_calc(x, labels)
def __init__(self):
super().__init__()
self.instrument = MusicalInstrument()
self.chord = chord()
self.initUI()
self.bindEvent()
# -*- coding:utf-8 -*-
import six
from mingus.containers import Bar, NoteContainer, Note
from chord import chord
from instrument.MusicalInstrument import MusicalInstrument
mi = MusicalInstrument('ARACHNO')
c = chord()
presets = {
'piano': ['preset1', 'preset2', 'preset3', 'preset4'],
'guitar': ['preset1', 'preset2'],
'bass': ['preset1'],
'drum': ['preset']
}
def getLoop(root, octave, pro, interval, style, preset):
assert style in presets.keys()
octave = int(octave)
notes = list(c.getChord(root, pro, interval, octave).values())
if style in ('piano'):
return getPianoLoop(notes, preset)
elif style in ('guitar'):
return getGuitarLoop(notes, preset)
def getPianoLoop(notes, preset):
b = Bar()
if preset == 'preset1':