“…Because of this, the classification of sounds has become a very popular topic. Fields of application include, for example: multimedia retrieval [1,2], technology medical problems s [3,4], speech recognition [5], speaker recognition [6,7], urban sound classification [8,9], environmental sound classification [10,11], speech emotion recognition [12], animal sound classification [13,14], detection of mechanical failure [15], and many others. In recognition tasks, the basic issue is what to recognize, in other words, what the inputs of the system are.…”