Apparatus for communication; Apparatus for the communication of data; Apparatus for use in audio-visual communication; Communication devices; Communication software; Communications networks; Communications processing computer software; Computer related data communication apparatus; Data communications apparatus; Data communications hardware; Data communications receivers; Data communications software; Electronic apparatus for developing communication links; Electronic data communications apparatus; Electronic message switching apparatus for use in communications installations; Machines for communication; Networks for the interconnection of communication systems; Personal communication apparatus; Personal communication devices; Programs for use in communications; Synchronous data communications apparatus; Video communications apparatus; Wired communication apparatus; Wireless communication apparatus; Apparatus for electronic digital processing; Apparatus for electronic recording of sound; Electronic apparatus for home use with audiovisual playbacks; Electronic apparatus for home use with display apparatus; Electronic digitizers for video picture analysis; Electronic video multiplexer; Electronic visual display apparatus for use with computers; Apparatus for message sending; Apparatus for sending messages; Appliances for the recording of messages; Appliances for the reproduction of messages; Appliances for the transmission of messages; Electronic message handling apparatus; Electronic panels for displaying messages; Message forwarding apparatus; Computer programs for playing games; Games software; Programs for use with computer games; Recorded software and programmes for use with electronic games of all kinds; Amplifiers being audio apparatus; Analogue to digital audio converters; Apparatus for processing audio signals; Apparatus for recording audio signals; Apparatus for transmitting audio signals; Audio processing apparatus; Audiovisual apparatus; Electronic audio signal processors for compensating sound distortion; Electronic mixers for mixing signals in the production of audio recordings; Security apparatus for processing audio signals; Application software