Apparatus for recording, transmission or reproduction of sound or images; Software for optimization of audio signals and audio output; Hardware for optimization of audio signals and audio output; Software for restoring and enhancing voice and sound in apparatus and instruments for recording, transmission, reception, processing, retrieval, reproduction and manipulation of sound and/or audio signals and effects; Software for restoring and enhancing voice and sound in signal processors, amplifiers, power amplifiers, optical media players, equalizers, microphones, headphones, ear buds, sound bars, docking stations, mobile phones, smart phones, mobile devices, tablets, satellite radio apparatus and remote controls; Software for restoring and enhancing voice and sound in electronic audio effects apparatus, mixing consoles, master audio mixing desks for use in an audio recording studio, electronic musical recording apparatus, sound effects pedals for musical instruments, networking devices, sound adaption apparatus for use with musical instruments, sound amplifiers for musical instruments and parts and fittings thereof; Software for restoring and enhancing voice and sound in sound reinforcement and/or reproducing apparatus, control apparatus for audio signals, signal, sound, surround, effects and/or voice processors; Software for restoring and enhancing voice and sound in loudspeakers, loudspeaker apparatus, installations, systems and/or units, transducers, studio monitors, transmitters, audio and video playing and recording equipment, vehicle multimedia and audio systems and components, portable navigation devices; Software for restoring and enhancing voice and sound in audio and video transmitting apparatus, namely, electronic microphone splitters, electronic signal distribution systems in audio time delay units; Software for restoring and enhancing voice and sound in apparatus for altering the tonal characteristics of an audio signal, namely, audio compressors, expanders, dynamic characteristics modifiers, noise gates, limiters, electronic audio crossovers, and audio test apparatus, namely, phase checkers, audio analyzers and cable testers, audio equalizers, sound amplifiers; Software for restoring and enhancing voice and sound in computer hardware for controlling audio and video equipment, analog and digital signal processors, audio noise reducers, voltage controlled amplifiers, programmed audio signal route selectors, microprocessor controlled loudspeaker equalizers and audio signal range expanders and restorers, audio sensitive controls for lighting apparatus and instruments