dawn@0: function [x, fs, frameLength, noOfFrames] = openFile( currentSampleName )
dawn@0:     
dawn@0:     [ x, fs ] =  wavread(['../' currentSampleName]);
dawn@0:     frameLength = 2^(ceil(log2(fs/100)));
dawn@0:     noOfFrames = floor( length(x) / frameLength); %skip the final samples if necessary
dawn@0: 
dawn@0:     % Convert stereo to mono
dawn@0:     if (size(x, 2)==2)
dawn@0:         x = mean(x')';
dawn@0:     end