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lpczz2ar

PURPOSE ^

LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ)

SYNOPSIS ^

function ar=lpczz2ar(zz)

DESCRIPTION ^

LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ)
 The complex poles must occur in complex conjugate pairs
 but the order is unimportant.

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function ar=lpczz2ar(zz)
0002 %LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ)
0003 % The complex poles must occur in complex conjugate pairs
0004 % but the order is unimportant.
0005 
0006 
0007 %      Copyright (C) Mike Brookes 1997
0008 %      Version: $Id: lpczz2ar.m 713 2011-10-16 14:45:43Z dmb $
0009 %
0010 %   VOICEBOX is a MATLAB toolbox for speech processing.
0011 %   Home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html
0012 %
0013 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0014 %   This program is free software; you can redistribute it and/or modify
0015 %   it under the terms of the GNU General Public License as published by
0016 %   the Free Software Foundation; either version 2 of the License, or
0017 %   (at your option) any later version.
0018 %
0019 %   This program is distributed in the hope that it will be useful,
0020 %   but WITHOUT ANY WARRANTY; without even the implied warranty of
0021 %   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0022 %   GNU General Public License for more details.
0023 %
0024 %   You can obtain a copy of the GNU General Public License from
0025 %   http://www.gnu.org/copyleft/gpl.html or by writing to
0026 %   Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA.
0027 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0028 
0029 [nf,p]=size(zz);
0030 ar=zeros(nf,p+1);
0031 for k=1:nf
0032   ar(k,:)=real(poly(zz(k,:)));
0033 end
0034

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