From: Manal on
"Regina " <velasquezregina(a)rocketmail.com> wrote in message <gp9l2c$jl9$1(a)fred.mathworks.com>...
> hi mr stafford
>
> i have already implemented the code that you have given and im really thankful for your help.
> however, i have a difficulty in determining the value for phi because it just gives the inverse plot of theta.
> how would i implement equation 6 of the pdf for the torso angle or phi? and also how is the pre-emphasis filter done and how to use autocorrelation in the signal?
>
> thanks for all the help!

Hi regina
could you help me in this algorithm
I am don't know how to extract the extreme points by using the zero-crossings

waiting to hair from you
thanks