Audio, video, cinematographic, signaling, surveying, measuring, scientific and optical apparatus and instruments namely, loudspeakers, electric and electro acoustic transducers, radios, vehicle navigation systems and telematics, namely, global positioning system, wireless network management and optimization software for mobile communications; digital voice signal processors; amplifiers, pre-amplifiers, power amplifiers, digital signal processors for use with home cinema systems, DVD players, compact disc players, optical disc players, subwoofers, microphones, headphones, integrated surround sound systems, televisions, video monitors, consumer electronics products, namely, home theater systems comprising loudspeakers, amplifiers, subwoofers, audio-video receivers, DVD players, optical disc players, radio tuners, and radios; guitar multi effects processors, electronic vocal harmony and vocal effects processors, bass multi-effects processors, digital video recorders, digital voice recorders; components of loudspeakers, electric and electro transducers, radios, and vehicle navigation systems and telematics, namely, global positioning system wireless network management and optimization software for mobile communications that manage energy use; apparatus for recording, transmission or reproduction of sound and/or images; computer operating systems software; computer software for use in the transmission of music and other audible transmissions, video transmissions, and text information related to such transmissions; computer software for audio mixing consoles, namely, graphics software and software for controlling computer screens with touch sensitive optical encoders and touch sensitive screen overlay; computer software for testing, calculating, and programming audio and video systems using microphones, headphones, audio receivers, video receivers, and loudspeakers; computer software for remote control of one or more audio products, namely, microphones, mixers, amplifiers, signal processors and speakers that is used for control and configuring said audio products in a networked system. computer software for playing and organizing digital content; computer software for processing global positioning data for the purpose of navigation and playback of digital music files, and organizing and viewing digital images and photographs via a display monitor or data output device; computer software for noise cancellation; computer software for optimization of audio signals and audio output; computer software for audio digital signal processing and conversion of dual channel systems to a multi-channel sound system or conversion from multi-channel to dual channel systems, improving the audio characteristics of an audio stream, creating virtual rooms that are perceived larger, extracting signal streams to enhance upmixing, processing monophonic signals, processing compressed audio signals, processing multichannel input signals, reducing noise and howling in input audio signals; computer software for controlling audio and video equipment, namely, microphones, mixers, amplifiers, signal processors, recording devices and loudspeakers; and computer software for use in connection, coordination and control applications of audio processing equipment used in the field of sound reinforcement and public address systems; computer hardware; computer peripherals; apparatus for recording, transmitting, and reproducing audio and video signals; computer hardware and software for audio and video editing, audio processing apparatus, namely, limiters and compressors; telematics apparatus, namely, wireless Internet devices which provide telematic services and have a cellular phone function; in-car radio, amplifiers and speakers; signal processors, digital signal processor, audio-video receivers; stereo tuners, digital signal processor for use with home cinema systems; subwoofers, microphones, headphones, integrated sound systems comprising remote controls, amplifiers, loudspeakers and components therefor. audio mixing consoles; audio compressors and processors; sound equalisers; microphone and headphone voice recording devices; apparatus for recording, transmission or reproduction of acoustic sound, apparatus for sending, transmission and receiving infra red signals, ultra sound converters, speakers for use in sound studios, vibration meters, positioning, locating and distance measuring apparatus in the nature of acoustic meters and integrated test assemblies for acoustic testing in the nature of acoustic meters, projection screens, acoustic component parts, in particular transformers for sound recording and reproduction, including transformers with built-in amplifiers; telephones; electric cables; electrical speaker cables; electrical interconnect cables; electronic downloadable operating manuals and remote controls for all the aforementioned goods