-------------------
- `38`_: Add parameter trajectory smoothing.
- `37`_: Add ``tqdm`` as dependency. Dataset's ``asarray`` now report progress if ``verbose > 0``.
- `37`_: Add further support for incremental mean/var computation.
- `37`_: Add and improve normalization utilities, :func:`nnmnkwii.preprocessing.inv_scale`, :func:`nnmnkwii.preprocessing.inv_minmax_scale` and :func:`nnmnkwii.preprocessing.minmax_scale_params`.
- Add builtin data source for Voice Conversion Challenge (VCC) 2016 dataset.
- `34`_: Add :func:`nnmnkwii.preprocessing.adjast_frame_length`.
- `34`_: ``adjast_frame_lengths`` now supports ``divisible_by`` parameter. ``ensure_even`` is deprecated.
- `34`_: Rename ``adjast_frame_length`` to ``adjast_Frame_lengths``
- Add references to :func:`nnmnkwii.postfilters.merlin_post_filter`.