remove hilbert2

Author: takenori-y

diffsptk/functional.py

@@ -1138,33 +1138,6 @@ def hilbert(x: Tensor, fft_length: int | None = None, dim: int = -1) -> Tensor:
     return nn.HilbertTransform._func(x, fft_length=fft_length, dim=dim)
 
 
-def hilbert2(
-    x: Tensor,
-    fft_length: ArrayLike[int] | int | None = None,
-    dim: ArrayLike[int] = (-2, -1),
-) -> Tensor:
-    """Compute the analytic signal using the Hilbert transform.
-
-    Parameters
-    ----------
-    x : Tensor [shape=(..., T1, T2, ...)]
-        The input signal.
-
-    fft_length : int, list[int], or None
-        The number of FFT bins. If None, set to (:math:`T1`, :math:`T2`).
-
-    dim : list[int]
-        The dimensions along which to take the Hilbert transform.
-
-    Returns
-    -------
-    out : Tensor [shape=(..., T1, T2, ...)]
-        The analytic signal.
-
-    """
-    return nn.TwoDimensionalHilbertTransform._func(x, fft_length=fft_length, dim=dim)
-
-
 def histogram(
     x: Tensor,
     n_bin: int = 10,

diffsptk/modules/__init__.py

@@ -62,7 +62,6 @@
 from .griffin import GriffinLim
 from .grpdelay import GroupDelay
 from .hilbert import HilbertTransform
-from .hilbert2 import TwoDimensionalHilbertTransform
 from .histogram import Histogram
 from .ialaw import ALawExpansion
 from .ica import IndependentComponentAnalysis

diffsptk/modules/hilbert2.py

@@ -7,7 +7,3 @@ hilbert
     :members:
 
 .. autofunction:: diffsptk.functional.hilbert
-
-.. seealso::
-
-    :ref:`hilbert2`