9 (Based on Use in Commerce) Equipment and apparatus for processing of sound, namely, digital sound processors; equipment and apparatus for filtering sound, namely, electronic sound filters; sound transmitting apparatus; headsets, namely, wireless cell phone headsets; earphones; sound bars; loudspeakers; equipment and apparatus for amplifying sound, namely, sound amplifiers; noise filtering, noise reduction, noise suppression and noise cancellation devices, namely, headphones; portable sound amplifying devices, namely, portable sound amplifiers; portable sound filtering devices, namely, body worn electronic devices comprised of electroacoustic transducers, electronic sound processing apparatus and a power source; software related to these apparatus, devices and equipment in the nature of software to control and improve audio equipment sound quality