U can use clear audio + when thr is too much noise/lack of clarity.. Otherwise u can use Digital Audio Only or Music Arena Only or Digital Audio in combination with Music Arena, or other available modes under Sound Field..Sound Field a Special Sound Effect Feature which gives DD sound along with Sound Effects On content carryin DD sound..Apart From this thr r Dolby Prologic,DTS Neo 6 cinema, DTS Neo 6 Music which u can choose through audio settin..
With Football On.. U gets the Stadium Environment while watchin Matches..