Audio amplifiers; Audio circuit boards; Audio mixers; Audio recorders and editors for recording and editing multichannel audio in a digital format; Audio recordings featuring music or motion picture soundtracks; Audiovisual receivers; Audio/video decoders for use with DVDs featuring music, voice recordings or motion picture soundtracks; Cable video receivers; Cell phones; Computer chips; Computer firmware for use in audio processing; Computer interface components, namely, dedicated audio boards and audio sound cards for computer use; Computers; Computer programs for use in audio processing; Computers; Computer software used to convert analog radio signals into digital signals; computer chips that convert analog radio signals into digital signals; computer software used to decode digital transmission signals into audio, all sold as components of radios. Digital audio players; Digital audio recorders; Digital radios; Digital video disc players; Digital video recorders; Encoders; High definition television receivers; Home theater products, namely, digital video disk players, audio decoders and amplifiers; Mobile phones; Musical sound recordings; PC Tablet; Portable listening devices, namely, MP3 players; Portable media players; Portable radios; Portable telephones; Receivers, namely, radio, satellite, television, audio and video receivers; Recording and playing devices for sound and image carriers; Signal processors and transmitters for radio and other audio broadcasting, namely, network streaming and downloading to portable devices; Smartphones; Sound amplifiers; Sound and video recording and playback machines; Sound mixers with integrated amplifiers; Sound mixers; Sound recording apparatus and instruments; Tablet computer; Television receivers; TV sets; Video disc players; Video disk players