dawn@0: function [ silentFrames ] = removeSilentData( silentSegments, noOfFrames )
dawn@0: 
dawn@0: %---------------- GET THE SILENT FRAME VALUES -------------------
dawn@0: % only wish to consider values from voiced frames.
dawn@0: % silent frames will produce data values that
dawn@0: % are random and therefore will bias our results
dawn@0: % returns an array of values where '1' indicates a non-silent frame
dawn@0: 
dawn@0:     silentFrames = zeros(1,noOfFrames);
dawn@0:     [m n] = size(silentSegments);
dawn@0:     if(  silentSegments(1,1) == 0 && silentSegments(1,2) == 0 )
dawn@0:         % we have only one segment - the entire file
dawn@0:         silentSegments(1,1) = 1;
dawn@0:         silentSegments(1,2) = floor(length(x)/frameLength);
dawn@0:         [m n] = size(silentSegments);
dawn@0:     end
dawn@0:     
dawn@0:     % check for start at sample 0
dawn@0:     if( silentSegments(1,1) == 0)
dawn@0:         silentSegments(1,1) = 1;
dawn@0:     end
dawn@0:     
dawn@0:     for i=1:m
dawn@0:         start = silentSegments(i,1);
dawn@0:         stop = silentSegments(i,2);
dawn@0:         if( stop > noOfFrames )
dawn@0:             stop = noOfFrames;
dawn@0:             silentSegments(i,2) = noOfFrames;
dawn@0:         end
dawn@0:             
dawn@0:         if( start == 0 ) 
dawn@0:             start = 1;
dawn@0:         end
dawn@0:         
dawn@0:         
dawn@0:         silentFrames( start : stop ) = 1;
dawn@0:     end
dawn@0:     
dawn@0: end
dawn@0: