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www.eeworm.com/read/236873/7119066
m lpcra2pp.m
function pp=lpcra2pp(ra)
%LPCAR2PP LPC: Convert ar filter autocorrelation to power spectrum polynomial in cos(w) PP=(RA)
% pp is a polynomial such that |polyval(ra,e^jw)| = polyval(pp,cos(w))
%
www.eeworm.com/read/236873/7119068
m potsband.m
function [b,a]=potsband(fs)
%POTSBAND Design filter for 300-3400 telephone bandwidth [B,A]=(FS)
%
%Input: FS=sample frequency in Hz
%
%Output: B/A is a discrete time bandpass filter with a passba
www.eeworm.com/read/236873/7119085
m lpcar2pf.m
function pf=lpcar2pf(ar,np)
%LPCAR2PF Convert AR coefs to power spectrum PF=(AR,NP)
% the power spectrum will contain np+2 points ranging from Dc to nyquist frequency
% The routine is faster if NP+
www.eeworm.com/read/236873/7119095
m pcma2lin.m
function x=pcma2lin(p,m,s)
%PCMU2LIN Convert A-law PCM to linear X=(P,M,S)
% lin = pcma2lin(pcma,m,s) where pcma contains a vector or matrix
% of A-law values in the range 0 to 255.
% No checking
www.eeworm.com/read/236873/7119096
m lpcdl2aa.m
function aa=lpcdl2aa(dl)
%LPCDL2AA dct of log area to area coefficients AA=(DL)
% we do not correct for sinc errors
% Copyright (C) Mike Brookes 1997
%
% Last modified Tue May 12
www.eeworm.com/read/236873/7119100
m rdct.m
function y=rdct(x,n,a,b)
%RDCT Discrete cosine transform of real data Y=(X,N,A,B)
% Data is truncated/padded to length N.
%
% This routine is equivalent to multiplying by the matrix
%
% rd
www.eeworm.com/read/236873/7119102
m lpcrf2is.m
function is=lpcrf2is(rf)
%LPCRF2IS Convert reflection coefficients to inverse sines IS=(RF)
% Copyright (C) Mike Brookes 1997
%
% Last modified Tue May 12 16:18:54 1998
%
% VOICE
www.eeworm.com/read/236873/7119104
m lpccc2pf.m
function pf=lpccc2pf(cc,np,nc)
%LPCCC2PF Convert complex cepstrum to power spectrum PF=(CC,NP,NC)
% cc = complex cepstrum coefs
% np+2 = number of frequency values 0 to nyquist (default: np=size(cc
www.eeworm.com/read/236873/7119111
m sprintsi.m
function s=sprintsi(x,d,w)
%SPRINTSI Print X with SI multiplier S=(X,D,W)
% D is number of decimal places (+ve) or significant digits (-ve) [default=-3]
% |W| is total width including multiplier
%
www.eeworm.com/read/236873/7119125
m irfft.m
function x=irfft(y,n)
%IRFFT Inverse fft of a conjugate symmetric spectrum X=(Y,N)
% Y contains FIX(1+N/2) complex samples from the spectrum: if argument N
% is specified then Y will be truncate