#substitute scalar value to <decode_script> argument
script_value = script % value
#build the command
cmd = '%s "%s" %s >%s' % (decode, script_value, dir, log2)
os.system('echo "%s " >>%s' % (cmd, log))
#run the script
os.system(cmd)
#read the wer file
f = open(dir + '/wer', 'r')
line = f.readline().rstrip()
f.close()
#parse ...
print line,
os.system('echo "%s" >>%s' % (line, log))
arr = line.split(' ')
try:
acc = 100.0 - float(arr[3])
print 'acc:%f' % acc
return acc
except:
print 'Error: Could not find WER value!!!'
raise NoWerFoundError
# run the maximization
value = findmax.findMax(tryScalarValue, min, max)
print 'Guessing %g' % value
tryScalarValue(value)
print 'Best-value=%g' % value
print '%g' % value
script_value = script % value
#build the command
cmd = '%s "%s" %s >%s' % (decode,script_value,dir,log2)
os.system('echo "%s " >>%s'%(cmd,log))
#run the script
os.system(cmd)
#read the wer file
f = open(dir+'/wer','r')
line = f.readline().rstrip()
f.close()
#parse ...
print line,
os.system('echo "%s" >>%s'%(line,log))
arr = line.split(' ')
try:
acc = 100.0-float(arr[3])
print 'acc:%f' % acc
return acc
except:
print 'Error: Could not find WER value!!!'
raise NoWerFoundError
# run the maximization
value = findmax.findMax(tryScalarValue,min,max)
print 'Guessing %g' % value
tryScalarValue(value)
print 'Best-value=%g' % value
print '%g' % value
#clean-up previous
os.system('rm -f %s/*' % dir)
#generate new script
os.system('cat %s | sed -e \'s|^\(acousticscale\)=.*|\\1=%f|\' -e \'s|^\(dir\)=.*|\\1=%s|\' > %s' %(script,scale,dir,script_tgt))
#run the script
os.system('bash '+script_tgt+' &> /dev/null')
#read the wer file
f = open(dir+'/wer','r')
line = f.readline().rstrip()
f.close()
#parse ...
print line,
arr = line.split(' ')
try:
acc = 100.0-float(arr[3])
print 'acc:%f' % acc
return acc
except:
print 'Error: Could not find WER value!!!'
raise NoWerFoundError
# run the maximization
scale = findmax.findMax(tryScaleValue,min,max)
print 'Guessing %g' % scale
tryScaleValue(scale)
print 'Scale=%g' % scale
print '%g' % scale
