def fradosify(path, outfp, delta,
pitchmin=70, pitchmax=400, threshold=0.7):
print >>sys.stderr, 'reading: %r' % path
ratio = pow(2, delta/12.0)
src = WaveReader(path)
if src.nchannels != 1: raise ValueError('invalid number of channels')
if src.sampwidth != 2: raise ValueError('invalid sampling width')
contour = PitchContour(
src.framerate,
pitchmin=pitchmin, pitchmax=pitchmax,
threshold=threshold)
dst = WaveWriter(outfp, framerate=src.framerate)
nframes = src.nframes
buf = src.readraw(nframes)
contour.reset()
contour.load(buf, nframes)
def f(t):
x = contour.getavg(t)
if x != 0:
x = int(x*ratio)
return x
dst.writeraw(psola(buf, src.framerate, contour.getsrc, f, contour.wmin))
src.close()
dst.close()
return
def fradosify(path, outfp, delta, pitchmin=70, pitchmax=400, threshold=0.7):
print >> sys.stderr, 'reading: %r' % path
ratio = pow(2, delta / 12.0)
src = WaveReader(path)
if src.nchannels != 1: raise ValueError('invalid number of channels')
if src.sampwidth != 2: raise ValueError('invalid sampling width')
contour = PitchContour(src.framerate,
pitchmin=pitchmin,
pitchmax=pitchmax,
threshold=threshold)
dst = WaveWriter(outfp, framerate=src.framerate)
nframes = src.nframes
buf = src.readraw(nframes)
contour.reset()
contour.load(buf, nframes)
def f(t):
x = contour.getavg(t)
if x != 0:
x = int(x * ratio)
return x
dst.writeraw(psola(buf, src.framerate, contour.getsrc, f, contour.wmin))
src.close()
dst.close()
return
def main(argv):
import getopt
from wavestream import WaveReader
def usage():
print ('usage: %s [-M|-F] [-n pitchmin] [-m pitchmax] [-t threshold] '
'[-o out.mid] [-w wsize] [-p instru] wav ...' % argv[0])
return 100
try:
(opts, args) = getopt.getopt(argv[1:], 'MFn:m:t:o:w:p:')
except getopt.GetoptError:
return usage()
pitchmin = 70
pitchmax = 400
threshold = 0.95
outpath = 'out.mid'
wsize = 50
instru = 0
attack = 70
release = 70
for (k, v) in opts:
if k == '-M': (pitchmin,pitchmax) = (75,200) # male voice
elif k == '-F': (pitchmin,pitchmax) = (150,300) # female voice
elif k == '-n': pitchmin = int(v)
elif k == '-m': pitchmax = int(v)
elif k == '-t': threshold = float(v)
elif k == '-o': outpath = v
elif k == '-w': wsize = int(v)
elif k == '-p': instru = int(v)
contour = None
for path in args:
src = WaveReader(path)
if contour is None:
contour = PitchContour(src.framerate,
pitchmin=pitchmin, pitchmax=pitchmax,
threshold=threshold)
contour.load(src.readraw(), src.nframes)
src.close()
#
events = [midi.ProgramChangeEvent(tick=0, channel=0, data=[instru])]
window = []
km0 = 0
kt = 0
kd = 0
for p in contour.segments:
if p == 0:
k = 0
else:
i = getpt(FRANGES, p)
(_,k) = FRANGES[i-1]
#print '%d/%d' % (p,k),
window.append(k)
if len(window) < wsize: continue
window = window[1:]
km1 = majority(window)
if km0 == km1:
kd += 1
else:
print km0, kd
if km0 == 0:
kt += kd
else:
events.append(midi.NoteOnEvent(tick=kt, channel=0, data=[km0, attack]))
events.append(midi.NoteOffEvent(tick=kd, channel=0, data=[km0, release]))
kt = 0
kd = 0
km0 = km1
events.append(midi.EndOfTrackEvent(tick=0, data=[]))
pat = midi.Pattern(tracks=[events])
midi.write_midifile(outpath, pat)
return
def main(argv):
import getopt
from wavestream import WaveReader
def usage():
print(
'usage: %s [-M|-F] [-n pitchmin] [-m pitchmax] [-t threshold] '
'[-o out.mid] [-w wsize] [-p instru] wav ...' % argv[0])
return 100
try:
(opts, args) = getopt.getopt(argv[1:], 'MFn:m:t:o:w:p:')
except getopt.GetoptError:
return usage()
pitchmin = 70
pitchmax = 400
threshold = 0.97
outpath = 'out.mid'
wsize = 50
instru = 0
attack = 70
release = 70
for (k, v) in opts:
if k == '-M': (pitchmin, pitchmax) = (75, 200) # male voice
elif k == '-F': (pitchmin, pitchmax) = (150, 300) # female voice
elif k == '-n': pitchmin = int(v)
elif k == '-m': pitchmax = int(v)
elif k == '-t': threshold = float(v)
elif k == '-o': outpath = v
elif k == '-w': wsize = int(v)
elif k == '-p': instru = int(v)
contour = None
for path in args:
src = WaveReader(path)
if contour is None:
contour = PitchContour(src.framerate,
pitchmin=pitchmin,
pitchmax=pitchmax,
threshold=threshold)
contour.load(src.readraw(), src.nframes)
src.close()
events = [midi.ProgramChangeEvent(tick=0, channel=0, data=[instru])]
window = []
km0 = 0
kt = 0
kd = 0
piano = open("../server/piano.txt", "w")
for p in contour.segments:
if p == 0:
k = 0
else:
i = getpt(FRANGES, p)
(_, k) = FRANGES[i - 1]
window.append(k)
if len(window) < wsize: continue
window = window[1:]
km1 = majority(window)
if km0 == km1:
kd += 1
else:
print km0, kd
piano.write(str(km0) + ' ' + str(kd) + '\r\n')
if km0 == 0:
kt += kd
else:
events.append(
midi.NoteOnEvent(tick=kt, channel=0, data=[km0, attack]))
events.append(
midi.NoteOffEvent(tick=kd, channel=0, data=[km0, release]))
kt = 0
kd = 0
km0 = km1
piano.write('EOF')
piano.close()
events.append(midi.EndOfTrackEvent(tick=0, data=[]))
pat = midi.Pattern(tracks=[events])
midi.write_midifile(outpath, pat)
return
