b@0: function playSound(snd)
b@0: 
b@0: global soundID;
b@0: 
b@0: if isempty(snd) % play no sound (= stop) by calling playSound([])
b@0:     if ~isempty(soundID)
b@0:         stop(soundID);
b@0:     end
b@0:     
b@0: else
b@0:     if isempty(snd.vect) % read sound (if ~DOWNLOAD)
b@0:         if isempty(snd.path)
b@0:             snd.path=cd;
b@0:         end
b@0:         
b@0:         [svect,sFs] = audioread([snd.path snd.name '.wav']);
b@0:         curSample = get(soundID,'CurrentSample');
b@0:         if length(curSample)<1 % if empty vector (first time)
b@0:             curSample = 1;
b@0:         else if curSample > length(svect)-0.5*sFs % if near end
b@0:                 curSample = 1;
b@0:             end
b@0:         end
b@0:         soundID = audioplayer(svect,sFs, 24); % 24 bit, default device
b@0:         stop(soundID);
b@0:         play(soundID, curSample);
b@0:         
b@0:         
b@0:         % CLEAN UP
b@0:     else
b@0:         curSample = get(soundID,'CurrentSample');
b@0:         if length(curSample)<1 % if empty vector (first time)
b@0:             curSample = 1;
b@0:         else if curSample > length(snd.vect)-25000 % if near end
b@0:                 curSample = 1;
b@0:             end
b@0:         end
b@0:         soundID = audioplayer(snd.vect,snd.fs, 24); % 24 bit, default device
b@0:         stop(soundID);
b@0:         play(soundID, curSample);
b@0:     end
b@0:     
b@0:     % TODO after this: button back to green?
b@0:     
b@0: end