Apparatus for processing, recording, reproducing, or mixing sound, for audio equalization of, normalizing or conditioning sound, for bass enhancement, bass virtualization, high frequency range extension, high frequency enhancement, or compressed audio quality improvement; Computer hardware, digital audio players, mobile wireless communication devices in the nature of mobile phones, smart phones, and phablets, portable handheld devices in the nature of handheld computers, cell phones, mp3 players, personal digital assistants, audio and video receivers and amplifiers, surround sound decoders, set-top boxes, satellite receivers, television receivers, digital television receivers, cable television receivers and decoders, electronic broadcast signal processors, electronic satellite broadcast signal processors; software applications stored on digital storage media for enhancing, processing, amplifying, transmitting, compressing, recording, reproducing, or mixing sound, for noise suppression and cancellation of sound, for audio equalization of, tuning, normalizing or conditioning sound, for sound effects, surround sound, sound expansion, bass enhancement, bass virtualization, high frequency range extension, high frequency enhancement, compressed audio quality improvement; software stored on digital storage media and computer hardware for enhancing, processing, amplifying, transmitting, compressing, recording, reproducing, mixing sound, for noise suppression and cancellation of sound, for audio equalization of, tuning, normalizing, conditioning sound, for sound effects, surround sound, sound expansion, bass enhancement, bass virtualization, high frequency range extension, high frequency enhancement, compressed audio quality improvement; hardware components and products, namely, audio speakers, audio speaker systems composed of subwoofers, audio speakers, and tweeters, audio speakers with built in amplifiers, sound systems comprising remote controls, amplifiers, loudspeakers and components therefor in the nature of tweeters, woofers, and transducers, headphones, headphone systems composed of headphones and electric cables, earphones, earbuds, sub-woofers, tweeters, woofers, audio drivers, headsets for use with telephones, computers, phablets, and tablet computers, microphones, digital signal processors, audio signal processors, computer hardware, digital audio players, mobile wireless communication devices in the nature of mobile phones, smart phones, and phablets, portable handheld devices in the nature of handheld computers, cell phones, mp3 players, and personal digital assistants, audio and video receivers and amplifiers, surround sound decoders, set-top boxes, satellite receivers, television receivers, digital television receivers, cable television receivers and decoders, electronic broadcast signal processors, electronic satellite broadcast signal processors; speaker enclosures; cabinets for loudspeakers; electrical and electromagnetic signal transmitting, amplifying, receiving and converting devices, namely, controllers for use with electrical, electronic and computer devices in the nature of audio systems; loudspeakers; stereo amplifiers