def __init__(self, scale, fs, datalength, real=True,
matrixform=1,
reducedform=0, **kwargs):
"""Just a wrapper for the wonderful nsgt framework
to be in adequation with the MinQT program
(from Schorkhuber's framework)
this wrapper is loaded from tft.py
"""
# getting the keyword arguments for nsgt
nsgtkwargs = {}
for k,v in kwargs.items():
if k in NSGT.__init__.func_code.co_varnames and \
k not in ('scale', 'fs', 'datalength', 'real', 'matrixform',
'reducedform', 'verbose'):
nsgtkwargs[k] = v
self.nsgt = NSGT(scale=scale, fs=fs, Ls=datalength,
real=real,
matrixform=matrixform,
reducedform=reducedform,
**nsgtkwargs)
self.kwargs = kwargs
self.kwargs['matrixform'] = matrixform
self.kwargs['reducedform'] = reducedform
self.kwargs['real'] = real
self.fs = fs
"TODO: check the following"
self.freqbins = len(self.nsgt.scale.F())+2
class NonStatGaborT(object ):
transformname = 'nsgt'
def __init__(self, scale, fs, datalength, real=True,
matrixform=1,
reducedform=0, **kwargs):
"""Just a wrapper for the wonderful nsgt framework
to be in adequation with the MinQT program
(from Schorkhuber's framework)
this wrapper is loaded from tft.py
"""
# getting the keyword arguments for nsgt
nsgtkwargs = {}
for k,v in kwargs.items():
if k in NSGT.__init__.func_code.co_varnames and \
k not in ('scale', 'fs', 'datalength', 'real', 'matrixform',
'reducedform', 'verbose'):
nsgtkwargs[k] = v
self.nsgt = NSGT(scale=scale, fs=fs, Ls=datalength,
real=real,
matrixform=matrixform,
reducedform=reducedform,
**nsgtkwargs)
self.kwargs = kwargs
self.kwargs['matrixform'] = matrixform
self.kwargs['reducedform'] = reducedform
self.kwargs['real'] = real
self.fs = fs
"TODO: check the following"
self.freqbins = len(self.nsgt.scale.F())+2
def computeTransform(self, data):
"""compute the (forward) transform
"""
# assumes monohponic data
self.checkDataLength(data.size)
# TODO: is that the right dim...
self._transfo = self.nsgt.forward(data)
def invertTransform(self):
"""compute the inverse transform
"""
# assumes monohponic data
self.checkDataLength(data.size)
return self.nsgt.backward(self._transfo)
def checkDataLength(self, datalength):
"""
"""
if datalength!=self.nsgt.Ls:
self.__init__(scale=self.nsgt.scale,
fs=self.nsgt.fs,
datalength=datalength,
**self.kwargs)
def _set_transfo(self, transfo):
self._transfo = transfo
def _get_transfo(self):
return self._transfo
def _del_transfo(self):
del self._transfo
transfo = property(fset=_set_transfo,
fget=_get_transfo,
fdel=_del_transfo)
