Electronic and electrical apparatus for the recording, storage, transmission and/or reproduction of audio, visual, or audio-visual data; electronic signal processor enabling improved acoustic spatial imaging and dynamics; Audio processors for improving the clarity and/or intelligibility of music and speech or the spoken word; encoders and decoders for use in processing audio electronic signals to create an enhanced audio image from playback of the audio signals through speakers; encoders and decoders for use in processing and/or recording analog and/or digital electronic signals for use in the audio and/or audio-visual fields; encoders and decoders for use in processing audio electronic signals to encode multi-track audio information into a limited number of audio tracks, and to decode a limited number of audio tracks into multi-track audio, or surround sound audio information; multi-channel sound processors; video monitors; stereo receivers and amplifiers; multichannel audio/video receivers; car stereos, head units and in-dash units, namely, CD players, DVD players, MP3 players; single-DIN head unit; double-DIN head unit; car electronic navigation instruments; televisions; sound bar speaker, surround sound speaker sound bar; portable stereos; portable media devices, namely, MP3 players, digital voice recorders, portable video players, portable electronic navigation instruments; video disc playback and/or recorder; audio playback and/or recorder; home audio-visual recorders; karaoke players; Digital versatile disc (DVD) playback and/or recorders; speakers; Compact disc (CD) players and/or recorders; cable television receivers and decoders; satellite television receivers and decoders; remote control units for these goods; telephones, portable phones, cellular phones, computer programs featuring sound generating capability; computer software for improving the clarity and/or intelligibility of speech or music; computer software for expanding an audio image generated by speakers; computers; computer video monitors; computer audio processing circuitry; computer game equipment, namely, software and discs; computer hardware; DVD-ROM discs, and CD-ROM discs containing entertainment material in the form of the spoken word, music and other sounds; encoders and decoders for use in processing audio electronic signals consisting primarily of speech to improve intelligibility and/or clarity; speaker systems containing a sound transducer and an integral amplifier; LCD projectors; computer programs for supporting sound generating capabilities in personal computers; cellular reception and transmission equipment, namely, cellular telephones, audio processing circuitry for cellular telephones, microphones, conference speakers, public address speakers, public address audio processors, headphones, radios, answering machines, digital amplifiers, and computer software for voice and speech recognition; outdoor audio speakers; professional and amateur sound enhancing apparatus, namely, professional audio processors; surround sound decoders