dst

diffsptk.DST

alias of DiscreteSineTransform

class diffsptk.DiscreteSineTransform(dst_length)

Discrete sine transform module.

Parameters:

dst_lengthint >= 1

DST length, \(L\).

forward(x)

Apply DST to input.

Parameters:

xTensor [shape=(…, L)]

Input.

Returns:

outTensor [shape=(…, L)]

DST output.

Examples

>>> x = diffsptk.ramp(3)
>>> dst = diffsptk.DST(4)
>>> y = dst(x)
>>> y
tensor([ 2.7716, -2.0000,  1.1481, -1.0000])

diffsptk.functional.dst(x)

Compute DST.

Parameters:

xTensor [shape=(…, L)]

Input signal.

Returns:

outTensor [shape=(…, L)]

DST output.

See also

idst