42 Scientific and technological services, namely, scientific research, analysis and testing, in the field of information technology; scientific and industrial research in the field of information technology; technical research in the field of information technology; research and development of new products for others; engineering for audio technology; technical consultancy, in relation to the design and development of audio loudspeakers, headphones, digital audio players; computer programming and software design; development of software for encoding and decoding voice and audio signals; development of computer hardware and software, in particular for apparatus for recording, transmission or reproduction of sound, data or images; development of hardware for compression and decompression of multimedia contents; product quality testing; authentication in the field of downloadable or recorded computer software for encoding and decoding of voice and audio signals; authentication in the field of loudspeakers, soundbars, headphones, soundcards, digital sound processors, digital surround sound processors, surround sound systems, digital media streaming devices, radios and radio broadcasting equipment, equalizers, digital audio synthesizer, audio signal processor, audio mixers, digital audio workstations, audio amplifiers, conference phones, digital set-top boxes, digital audio players, audio- and video-receivers, digital projectors, televisions, video display monitors, DVD players, television receivers, digital video cameras, smartphones, tablet computers and devices for streaming media content over local wireless networks; quality control for others