v_lpcpp2pz

PURPOSE ^

V_LPCPP2PZ LPC: Convert power spectrum polynomial in cos(w) to power spectrum zeros PZ=(RP)

SYNOPSIS ^

function pz=v_lpcpp2pz(pp)

DESCRIPTION ^

V_LPCPP2PZ LPC: Convert power spectrum polynomial in cos(w) to power spectrum zeros PZ=(RP)
 pp is a polynomial such that |polyval(ra,e^jw)| = polyval(pp,cos(w))

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function pz=v_lpcpp2pz(pp)
0002 %V_LPCPP2PZ LPC: Convert power spectrum polynomial in cos(w) to power spectrum zeros PZ=(RP)
0003 % pp is a polynomial such that |polyval(ra,e^jw)| = polyval(pp,cos(w))
0004 
0005 %      Copyright (C) Mike Brookes 1998
0006 %      Version: $Id: v_lpcpp2pz.m 10865 2018-09-21 17:22:45Z dmb $
0007 %
0008 %   VOICEBOX is a MATLAB toolbox for speech processing.
0009 %   Home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html
0010 %
0011 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0012 %   This program is free software; you can redistribute it and/or modify
0013 %   it under the terms of the GNU General Public License as published by
0014 %   the Free Software Foundation; either version 2 of the License, or
0015 %   (at your option) any later version.
0016 %
0017 %   This program is distributed in the hope that it will be useful,
0018 %   but WITHOUT ANY WARRANTY; without even the implied warranty of
0019 %   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0020 %   GNU General Public License for more details.
0021 %
0022 %   You can obtain a copy of the GNU General Public License from
0023 %   http://www.gnu.org/copyleft/gpl.html or by writing to
0024 %   Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA.
0025 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
0026 
0027 pz=roots(pp);

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