Lu Dinh-
> In document:
> ITU-T G.723.1 Speech Coder: A Matlab Implementation
> P. Kabal
> Department of Electrical & Computer Engineering McGill University
>
> -------------------HHP(z), ---Highpass Filter (page 5). and in
> page 15, what is HF(z)?
My guess would be another filter, something starting with 'S'. Maybe
"short-term perceptual weighting filter" or
"short term LP parameters".
-Jeff