www.pudn.com > LPCToolbox.rar > SETPARAMS.M

%   playsnd  : (boolean). If 1, then for each filename, execute
%              the VAX command "gplay "
%   plotmean : Figure number. After each sound, the mean values
%             values of F1 & F2 are plotted in this figure.

function setparams
global Ap % analysis parameters (common to all sounds)
global Cs % current sound (info. specific to the current sound)

%------------------------------
  % The following parameters are fixed for all sounds
  
Ap.defaultFs = 10000;   % default sampling rate

Ap.analysis_width = 256; % ILS defaults, which we are 
Ap.context_width = 64;   % retaining.
Ap.preemph = 0.95;
Ap.fftlen = 512; % resolution of the LPC spectrum

  
Ap.usehamming = 1;  % boolean, use a hamming window 
Ap.usetpi = 1;      % boolean, use three-point parabolic interpolation

Ap.freezeorder = 0; % if set to nonzero p, filter order is frozen at p
Ap.mincoeffs = 5;
Ap.maxcoeffs = 20;
Ap.rccutoff = 0.15;  % reflection coeff cutoff (see GETFILTERORDER)
  
% The following aren't analysis parameters, but they are 
% common to all the sounds.
  
Ap.playsnd = 0;
Ap.showspcgm = 1; % show the background spectrogram

%------------------------------

Cs.Fs = Ap.defaultFs;   % sampling rate for current file 
Cs.sndindex = 1;   % index of sound in the given list
Cs.sndfilename = '';
Cs.datfilename = '';
Cs.snd = [];
Cs.framerange = [];
Cs.nframes = 0;   % number of analysis frames
Cs.ncoeffs = 0;
Cs.pks = []; 

% following are housekeeping variables

Cs.rm_ncoeffs = Ap.mincoeffs;  % running mean of ncoeffs
Cs.rm_count  = 0;              % number of values in the running mean