Format tranform between Kaldi, Numpy and Matlab.
See ./scripts/sptk/copy_mat_to_archive.py -h
and ./scripts/sptk/copy_archive_to_mat.py
# .ark to .npy
../../scripts/sptk/copy_archive_to_mat.py \
--src-format ark \
--dst-format npy \
asset/egs.ark npy
# .ark to .mat
../../scripts/sptk/copy_archive_to_mat.py \
--src-format ark \
--dst-format mat \
asset/egs.ark mat
# .npy to .ark
find npy -name "*.npy" | awk -F '[/.]' '{print $2"."$3"\t"$0}' \
| ../../scripts/sptk/copy_mat_to_archive.py \
--src npy - npy.ark
# .mat to .ark
find mat -name "*.mat" | awk -F '[/.]' '{print $2"."$3"\t"$0}' \
| ../../scripts/sptk/copy_mat_to_archive.py \
--src mat - mat.ark