idamnjanovic@1: function SMALL_playAudio(SMALL)
ivan@128: %%  Plays reconstructed and original signals
ivan@128: %   Function gets as input SMALL structure and play the original and
ivan@128: %   the reconstructed signal
ivan@128: 
idamnjanovic@24: %
idamnjanovic@24: %   Centre for Digital Music, Queen Mary, University of London.
idamnjanovic@24: %   This file copyright 2009 Ivan Damnjanovic.
idamnjanovic@24: %
idamnjanovic@24: %   This program is free software; you can redistribute it and/or
idamnjanovic@24: %   modify it under the terms of the GNU General Public License as
idamnjanovic@24: %   published by the Free Software Foundation; either version 2 of the
idamnjanovic@24: %   License, or (at your option) any later version.  See the file
idamnjanovic@24: %   COPYING included with this distribution for more information.
ivan@128: %%   
ivan@128: 
idamnjanovic@1: 
idamnjanovic@1: 
idamnjanovic@8: SMALL.solver.reconstructed  = SMALL.Problem.reconstruct(SMALL.solver.solution);
idamnjanovic@1: ch='';
idamnjanovic@1: while 1
idamnjanovic@1:     request = input('\nWhat do you want to hear? \n 1. Original signal \n 2. Mixed \n 3. Reconstructed signal \n 4. Quit player\n','s');
idamnjanovic@1:     request = sscanf(request,'%d');
idamnjanovic@1:     switch request
idamnjanovic@1:         case 1
idamnjanovic@1:             fprintf('Original signal has %d sources.\n Which one do you want to hear?', size(SMALL.Problem.signal,2))
idamnjanovic@1:             fprintf('Enter a number between 1 and %d', size(SMALL.Problem.signal,2))
idamnjanovic@1:             ch=input('','s');
idamnjanovic@1:             ch=sscanf(ch,'%d');
idamnjanovic@1:             if (ch>=1)&&(ch<=size(SMALL.Problem.signal,2))
idamnjanovic@1:                 soundsc(SMALL.Problem.signal(:,ch),8000);
idamnjanovic@1:             end
idamnjanovic@1:         case 2
idamnjanovic@1:             fprintf('Number of channels in mixed signal is %d.\n Which one do you want to hear?', size(SMALL.Problem.b,2))
idamnjanovic@1:             fprintf('Enter a number between 1 and %d', size(SMALL.Problem.signal,2))
idamnjanovic@1:             ch=input('','s');
idamnjanovic@1:             ch=sscanf(ch,'%d');
idamnjanovic@1:             if (ch>=1)&&(ch<=size(SMALL.Problem.b,2))
idamnjanovic@1:                 soundsc(SMALL.Problem.b(:,ch),8000);
idamnjanovic@1:             end
idamnjanovic@1:         case 3
idamnjanovic@1:             fprintf('Reconstructed signal has %d sources.\n Which one do you want to hear?', size(SMALL.solver.reconstructed,2))
idamnjanovic@1:             fprintf('Enter a number between 1 and %d', size(SMALL.Problem.signal,2))
idamnjanovic@1:             ch=input('','s');
idamnjanovic@1:             ch=sscanf(ch,'%d');
idamnjanovic@1:             if (ch>=1)&&(ch<=size(SMALL.solver.reconstructed,2))
idamnjanovic@1:                 soundsc(SMALL.solver.reconstructed(:,ch),8000);
idamnjanovic@1:             end
idamnjanovic@1:         case 4
idamnjanovic@1:             return;
idamnjanovic@1:     end
idamnjanovic@1: end
idamnjanovic@1: end