Mercurial > hg > ape
annotate aux/MS2LR.m @ 15:24be5e9ce25b tip
Update README
| author | Brecht De Man <brecht.deman@bcu.ac.uk> |
|---|---|
| date | Thu, 20 Sep 2018 12:23:20 +0200 |
| parents | 4fd284285159 |
| children |
| rev | line source |
|---|---|
| b@0 | 1 function y = MS2LR(x) |
| b@0 | 2 % LR2MS Converts stereo audio signal to MS (mid side). |
| b@0 | 3 % |
| b@0 | 4 % by Brecht De Man at Centre for Digital Music, 4 June 2013 |
| b@0 | 5 |
| b@0 | 6 if size(x,2) ~= 2 |
| b@0 | 7 error('Function MS2LR needs a stereo audio input file.'); |
| b@0 | 8 end |
| b@0 | 9 |
| b@0 | 10 y = zeros(size(x)); |
| b@0 | 11 |
| b@0 | 12 % L = (M + S)/2, R = (M-S)/2 |
| b@0 | 13 y(:,1) = (x(:,1)+x(:,2))/2; % left channel |
| b@0 | 14 y(:,2) = (x(:,1)-x(:,2))/2; % right channel |
| b@0 | 15 |
| b@0 | 16 end |