comparison aux/getLoudness.m @ 4:b28ffd29e6e1

Audio file preparation for listening test

-function result = getLoudness( vector, Fs, timescale, plotBOOL )
+function result = getloudness( vector, Fs, timescale, plotBOOL )
 %GETLOUDNESS returns loudness levels according to EBU R 128 specification
 % Function getLoudness accepts an audio file vector (vector), a sampling
 % rate (Fs), a timescale ('M' - Momentary, 'S' - Short, 'I' - Integrated)
 % and a boolean of whether or not to plot the results, and returns either a
 % scalar for Integrated timescales, or a vector of loudnesses with a

 
     rlbBcoeffs = [[0.994975383507587;], [-1.98995076701517;], [0.994975383507587;]];
     rlbAcoeffs = [1, -1.98992552008493, 0.989976013945421];
 
     % loudness prefilter function below this one (see Pestana 2013)
-    [prefilterBcoeffs, prefilterAcoeffs] = getLoudnessPreFilter(10, Fs);
+    [prefilterBcoeffs, prefilterAcoeffs] = getloudnessprefilter(10, Fs);
 
    
     % Weighting coefficients with channel format [L, R, C, Ls, Rs]
     nrChannels = size(vector,2);
     switch nrChannels

     end
 end
 
 
 
-function [prefilterBcoeffs, prefilterAcoeffs] = getLoudnessPreFilter(gainIndB, fs)
+function [prefilterBcoeffs, prefilterAcoeffs] = getloudnessprefilter(gainIndB, fs)
 % GET LOUDNESS calculates coefficients for prefilter with arbitrary gain as 
 % specified in EBU R 128 and the modification proposed in Pestana 2013. 
 % 
 % by Brecht De Man at Centre for Digital Music on 24 April 2014