Mercurial > hg > ape

view aux/MS2LR.m @ 15:24be5e9ce25b tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Update README
author Brecht De Man <brecht.deman@bcu.ac.uk>
date Thu, 20 Sep 2018 12:23:20 +0200
parents 4fd284285159
children
line wrap: on
line source
function y = MS2LR(x)
% LR2MS Converts stereo audio signal to MS (mid side).
% 
% by Brecht De Man at Centre for Digital Music, 4 June 2013

if size(x,2) ~= 2
    error('Function MS2LR needs a stereo audio input file.');
end

y = zeros(size(x));

% L = (M + S)/2, R = (M-S)/2
y(:,1) = (x(:,1)+x(:,2))/2; % left channel
y(:,2) = (x(:,1)-x(:,2))/2; % right channel

end