Audio amplifiers; Audiovisual receivers; Audio-video receivers; Computers; Computer firmware for use in audio processing; Computer game software; Computer programs for use in audio processing; Computer software for encoding or decoding audio for use with CDs and DVDs; Computer software for processing digital music files; Computer software to control and improve computer and audio equipment sound quality; Digital audio players; Digital video disc players; Encoders; High definition television receivers; Home Theater products, namely, Digital Video Disk players, audio decoders and amplifiers, audio/video decoders for use with DVDs featuring music, voice recordings or motion picture soundtracks; Mobile phones; PC tablets; 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; Satellite receivers; Satellite video receivers; Signal processors and transmitters for cable or satellite broadcasting; Signal processors and transmitters for radio and other audio broadcasting, namely, network streaming and downloading to portable devices; Smartphones; Software that mediates between the operating system of a mobile device and the application software of a mobile device; Software to control and improve audio equipment sound quality; Software for digital audio encoding, recording, decoding and playback of digital audio; Sound amplifiers; Sound and video recording and playback machines; Sound recording apparatus and instruments; Speakerphones; Tablet computers; Television receivers; TV sets; Video disk players; Digital media players