9
Optical enhancers; Signal expanders; Audio expanders; Digital voice signal processors; Analogue to digital converters; Ultrahigh frequency translator apparatus; Signal compressors; Analogue convertors; Preamplifiers; Digital signal processing apparatus; Decoding apparatus; Amplifier tuners; Acoustic transformers; Receiving terminals for signals; Signal amplifiers; Control amplifiers; Distribution amplifiers; Power amplifiers; Amplifiers; Electroacoustic amplifiers; Electronic amplifiers; Electrical amplifiers; Keyboard amplifiers; Pairable wireless speakers; Digital audio interface apparatus; Portable speaker docks; Docking stations for digital music players; Playing devices for sound and image carriers; Recording devices for sound and image carriers; Vibration dampeners for electronic audio equipment; Analogue sound modifiers; Audio analyzers; Record playing apparatus and instruments; Digital music players; Digital sound processors; Digital mixing desks; Digital audio recorders; Parts and fittings for audio apparatus; Audio electronic apparatus; Electronic audio crossovers; Electric and electronic musical effects equipment; Electrical amplifiers for sound signals; Electric and electronic effects units for musical instruments; Loudspeaker units; Wireless speakers; Thin film speakers; Studio monitor loudspeakers; Audio compressors; Audio mixing consoles; Soundbars; Loudspeaker cables; Audio time delay units; Loudspeaker drive units; Audio interfaces; Loudspeakers with built in amplifiers; Tweeters; Digital audio tape players; Digital audio players; MPEG audio players; Sound amplifying receivers; Audio receivers; Digital audio tape recorders; Sound mixers with integrated amplifiers; Microphone mixers; Audio mixers; Microphones; Diaphragms [acoustics]; Acoustic membranes used in sound recording or reproducing apparatus; Megaphones; Speaker switches; Volume control pedals; Multichannel sound processors; Sound processors; Surround processors; Sound projectors; Portable speakers; Portable vibration speakers; Switchers for routing audio, video, and digital signals; Portable sound recording apparatus; Portable sound reproducing apparatus; Electroacoustic transducers; Signal processors for audio speakers; Instruments for the reduction of noise in systems for recording audio signals; Computer hardware for signal processing of audio and video; Acoustic couplers; Integrated audio amplifiers; Sound samplers; High fidelity audio apparatus; Audio noise reducers; Stereo tuners; Public address speaker systems; Surround sound systems; Loudspeaker systems; Stereo amplifying apparatus; Control apparatus for audio signals; Audio switching apparatus; Security apparatus for processing audio signals; High fidelity apparatus; Audio processing apparatus; Sound reproduction apparatus; Sound mixing apparatus; Audio mixing apparatus; Stereo signal generator apparatus; Audio effects apparatus; Sound recording apparatus; Audio signal range restorers; Adapters for connection between media devices; Audio cable; Microphone cables; Audio cable connectors
42
Advice relating to the development of computer systems; Consultancy relating to software for communication systems; Consultancy and information services relating to information technology; Providing technical advice relating to computer hardware and software; Technical consultancy services relating to information technology; Consultancy and information services relating to computer software design; Consultancy services for analysing information systems; Computer software design and updating; Updating of software for communication systems; Research and consultancy services relating to computer software; Development of software for compression and decompression of multimedia contents; Development of software for processing and distribution of multimedia contents; Development of software for digital signal processing; Development of software for audio and video operators; Development and testing of software; Development of software for communication systems