In file ../include/sigpr/EST_filter.h:

void pre_emphasis

(EST_Wave &sig,   float a=DEFAULT_PRE_EMPH_FACTOR)

Pre-emphasis filtering.

Documentation

Pre-emphasis filtering. This performs simple high pass filtering with a one tap filter of value a. Normal values of a range between 0.95 and 0.99.

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This page is part of the Edinburgh Speech Tools Library documentation
Copyright University of Edinburgh 1997
Contact: speech_tools@cstr.ed.ac.uk