import os.path
root, ext = os.path.splitext(args[0])
if options.method == 0:
ss = SpectralSubtruction(options.winsize, window)
outfname = "%s_ss%s" % (root, ext)
elif options.method == 1:
ss = MMSE_STSA(options.winsize, window)
outfname = "%s_mmse%s" % (root, ext)
elif options.method == 2:
ss = MMSE_LogSTSA(options.winsize, window, alpha=0.99)
outfname = "%s_lmmse%s" % (root, ext)
elif options.method == 3:
ss = JointMap(options.winsize, window, alpha=0.99)
outfname = "%s_jm%s" % (root, ext)
if params[0] == 1:
write(
params,
noise_reduction(signal, params, options.winsize, window, ss,
options.ntime))
elif params[0] == 2:
l, r = separate_channels(signal)
write(
params,
uniting_channles(
noise_reduction(l, params, options.winsize, window, ss,
options.ntime),
noise_reduction(r, params, options.winsize, window, ss,
options.ntime)))
if len(args) != 1:
parser.print_help()
exit(2)
fname = args[0]
signal, params = read(fname, options.winsize)
window = sp.hanning(options.winsize)
import os.path
root, ext = os.path.splitext(args[0])
if options.method == 0:
ss = SpectralSubtruction(options.winsize, window, ratio=options.ratio, coefficient=options.sscoefficient)
outfname = "%s_ss%s" % (root, ext)
elif options.method == 1:
ss = MMSE_STSA(options.winsize, window, ratio=options.ratio, constant=options.constant, alpha=options.alpha)
outfname = "%s_mmse%s" % (root, ext)
elif options.method == 2:
ss = MMSE_LogSTSA(options.winsize, window, ratio=options.ratio, alpha=options.alpha, constant=options.constant)
outfname = "%s_lmmse%s" % (root, ext)
elif options.method == 3:
ss = JointMap(options.winsize, window, alpha=options.alpha, ratio=options.ratio, constant=options.constant)
outfname = "%s_jm%s" % (root, ext)
if params[0] == 1:
write(params, noise_reduction(signal, params, options. winsize, window, ss, options.ntime))
elif params[0] == 2:
l, r = separate_channels(signal)
write(params, uniting_channles(noise_reduction(l, params, options.winsize, window, ss, options.ntime),
noise_reduction(r, params, options.winsize, window, ss, options.ntime)))
usage = "%python vad [-t THREASHOLD] [-w WINSIZE] [- s NOISETIME(ms)] "\
"INPUTFILE \n if INPUTFILE is \"-\", read wave data from stdin"
parser = optparse.OptionParser(usage=usage)
parser.add_option("-w", type="int", dest="winsize", default=WINSIZE)
parser.add_option("-t", type="int", dest="th", default=10)
parser.add_option("-s", type="int", dest="ntime", default=300)
(options, args) = parser.parse_args()
windowsize = options.winsize
fname = args[0]
signal, params = read(fname, options.winsize)
window = np.hanning(windowsize)
ntime = options.ntime
if params[0] == 1:
ltsd = LTSD(windowsize, window, 5, lambda0=options.th)
res, ltsds = ltsd.compute_with_noise(signal,
signal[0:windowsize*int(params[2]/float(windowsize)/(1000.0/ntime))])
write(params, vad(res, signal, windowsize, window))
elif params[0] == 2:
noise_sec = windowsize*int(params[2]/float(windowsize)/(1000.0/ntime))
l, r = separate_channels(signal)
ltsd_l = LTSD(windowsize, window, 5, lambda0=options.th)
ltsd_r = LTSD(windowsize, window, 5, lambda0=options.th)
l_out = vad(ltsd_l.compute_without_noise(l, noise_sec)[0], l, windowsize, window)
r_out = vad(ltsd_r.compute_without_noise(r, noise_sec)[0], r, windowsize, window)
out = uniting_channles(l_out, r_out)
write(params, out)
if len(args)!=2:
parser.print_help()
exit(2)
kl = KaraokeFileLoader(options.winsize*2)
ssignal,ksignal,params = kl.load_file(args[0],args[1])
ssignal_l,ssignal_r = separate_channels(ssignal)
ksignal_l,ksignal_r = separate_channels(ksignal)
window = sp.hanning(options.winsize)
if options.method==0:
method = SpectralSubtruction(options.winsize,window)
elif options.method==1:
method = MMSE_STSA(options.winsize,window)
elif options.method==2:
method = MMSE_LogSTSA(options.winsize,window,alpha=0.99)
elif options.method==3:
method = JointMap(options.winsize,window,alpha=0.99)
sig_out_l = subtruction(ssignal_l,ksignal_l,window,options.winsize,method)
sig_out_r = subtruction(ssignal_r,ksignal_r,window,options.winsize,method)
sig_out_l[sp.isnan(sig_out_l)+sp.isinf(sig_out_l)]=0.0
sig_out_r[sp.isnan(sig_out_r)+sp.isinf(sig_out_r)]=0.0
result = uniting_channles(sig_out_l, sig_out_r)
write(params, result)
(options, args) = parser.parse_args()
windowsize = options.winsize
fname = args[0]
signal, params = read(fname, options.winsize)
window = sp.hanning(windowsize)
ntime = options.ntime
if params[0] == 1:
ltsd = LTSD(windowsize, window, 5, lambda0=options.th)
res, ltsds = ltsd.compute_with_noise(
signal, signal[0:windowsize * int(params[2] / float(windowsize) /
(1000.0 / ntime))]) #maybe 300ms
write(params, vad(res, signal, windowsize, window))
elif params[0] == 2:
l, r = separate_channels(signal)
ltsd_l = LTSD(windowsize, window, 5, lambda0=options.th)
ltsd_r = LTSD(windowsize, window, 5, lambda0=options.th)
out = uniting_channles(
vad(
ltsd_l.compute_with_noise(
l, l[0:windowsize * int(params[2] / float(windowsize) /
(1000.0 / ntime))])[0], l,
windowsize, window),
vad(
ltsd_r.compute_with_noise(
r, r[0:windowsize * int(params[2] / float(windowsize) /
(1000.0 / ntime))])[0], r,
windowsize, window))
write(params, out)