INTELLIGENT NOISE CANCELLATION

headphone; headphone speaker; earphone; earphone sets for mobile phones; earphone speakers; audio speakers; microphones; radios; mobile phones; telephones, personal digital assistants (PDA); computers and computer peripheral devices; protective helmets; riding helmets; baby monitors; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, prerecorded discs, namely, digital video discs, digital versatile discs, high definition digital discs for use in bearing sound recordings, video recordings, data, images, games, graphics, texts, computer programmes and information; automatic vending machines and mechanisms for coin-operated apparatus; cash registers; calculating machines, data processing equipment and computers; fire-extinguishing apparatus