OK.
And that 's what  that 's what I 'm saying then , so this is a  this is a starting vector. It 's just like shortened f  spectrum , or something. But now we are trying to understand what this vector actually represents ,
Mm - hmm.
for instance a question is like " how correlated are the elements of this vector ? " Turns out they are quite correlated , because I mean , especially the neighboring ones , right ? They  they represent the same  almost the same configuration of the vocal tract.