function [features] = getFeaturesDirmp3(directory, feature_choice, frame_size)
    features = [ ];
    
    file_list = getFileNames(directory, 'mp3');

    for i = 1:length(file_list)
        audioPath = [directory file_list{i}];
        disp(['Current file: ' audioPath]);
        features = [features; getFeaturesmp3(audioPath, feature_choice, frame_size)];
    end
end
