apparatus for use in processing audio electronic signals to create an expanded audio image from playback of the audio signals through speakers; multi-channel sound processors; integrated circuits; video monitors; video tuners; stereo receivers and amplifiers; tape decks; car stereos; televisions; portable stereos; boomboxes; stereo processors for use in cinemas; video disk playback and/or recording apparatus; audio playback and/or recording apparatus; home audio-visual recording apparatus; laser disc players and recorders; VCRs; digital video tape players; speakers; speaker systems containing a sound transducer and an integral amplifier; CD (compact disc) playback and/or recording devices; motion picture projectors; cable television receivers and decoders; remote control units for these goods; computer programs for supporting sound generating capabilities in personal computers; computer software for expanding an audio image generated by speakers for use in the entertainment field; computers; computer sound processing cards; industry standard computer interface cards; computer audio processing circuitry; computer hardware, namely blank computer diskettes, blank computer floppy disks, blank hard discs, blank CD-ROM discs, blank digital video discs, blank optical storage discs, and blank computer solid-state cartridges; audio and/or audio-visual recordings stored on magnetic tape or optical media featuring entertainment material; audio and/or audio-visual prerecorded media containing entertainment material in the form of the spoken word, music and other sounds, namely motion picture film, VCR cassette tapes, laser discs, video discs, optical discs, analog or digital audio cassette tapes, and analog or digital video cassette tapes