Instruments for the purposes of recording, transmitting, processing, receiving, reproducing sounds and/or images; loudspeakers; medium with recorded sounds and/or images; blank medium for the use of recording sounds and/or images; DVD players; VCD players; CD players; MP3 players; wireless signal receiver; broadcasting equipment comprising DVD player and/or VCD player and/or CD player and/or MP3 player and/or wireless signal receiver; stereophonic acoustics equipment; apparatus for games adapted for use with television receivers or video frequency component only; data processing apparatus