www.pudn.com > LPCToolbox.rar > SETPARAMS.M
> playsnd : (boolean). If 1, then for each filename, execute
> the VAX command "gplay <filename>"
> plotmean : Figure number. After each sound, the mean values
> values of F1 &amt; 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