Added Festival interfacing code in lab_gen
(wrapper similar to https://github.com/CSTR-Edinburgh/merlin/tree/master/misc/scripts/frontend)
Added mel-cepstral analysis/synthesis to wav_gen
Added Festival interfacing code in lab_gen
(wrapper similar to https://github.com/CSTR-Edinburgh/merlin/tree/master/misc/scripts/frontend)
Added mel-cepstral analysis/synthesis to wav_gen