vak.transforms.functional#

Functions

add_channel(input[, channel_dim])

Add a "channel" dimension to a tensor.

pad_to_window(arr, window_size[, padval, ...])

pad a 1d or 2d array so that it can be reshaped into consecutive windows of specified size

standardize_spect(spect, mean_freqs, ...)

standardize spectrogram by subtracting off mean and dividing by standard deviation.

to_floattensor(arr)

convert Numpy array to torch.FloatTensor.

to_longtensor(arr)

convert Numpy array to torch.LongTensor.

view_as_window_batch(arr, window_width)

return view of a 1d or 2d array as a batch of non-overlapping windows