lpanalframe.m

来自「ITU-T G.723.1 Speech Coder: Matlab imple」· M 代码 · 共 20 行

function a = LPanalFrame (x, LPpar)
% LP analysis for a group of subframes in a frame of data.
% The structure LPpar contains the analysis information.

% $Id: LPanalFrame.m 1.2 2004/06/14 G.723.1-v2r1a $

WStart = LPpar.WStart + LPpar.FStart;
NSubframe = length (WStart);
Np = length (LPpar.LagWin) - 1;
LWin = length (LPpar.Win);

% LP analysis
a = zeros (Np+1, NSubframe);
for (i = 1:NSubframe)
  st = WStart(i);
  a(:,i) = LPanal (x(st+1:st+LWin), LPpar);
end

return