downloadable software for activation of audio features in a vehicle; downloadable software for enabling audio experiences in vehicles; Downloadable software to control and improve audio equipment sound quality; sound and audio system comprised of downloadable software for sound enhancement and noise cancellation and audio speakers; audio sound equipment, namely, apparatus and instruments for recording, transmission, reception, processing, retrieval, reproduction and manipulation of sound and audio signals and effect, namely, signal processors, amplifiers, power amplifiers, optical media players, equalizers being audio apparatus, microphones, headphones, loudspeakers, computer networking interface devices; electro-dynamic control apparatus for the remote control of audio signals, signals, sound, surround sound, sound effects and voice processors; audio processing equipment, namely, signal compressors and expanders, signal compressors and limiters, analog signal processors, digital signal processors, audio noise reducers; microprocessor controlled loudspeaker equalizers being audio apparatus, and audio signal range expanders and restorers; Vehicle multimedia and audio systems and audio electronic components, namely, audio speakers, amplifiers, mobile phone plug connectors, satellite-aided navigation systems, control units for amplifiers, audio speaker systems, and portable GPS navigation devices; Electronic control apparatus for the remote control of audio signals, signals, sound, surround sound, sound effects and voice processors; downloadable software for controlling the operation of audio and video devices