42
Research, and design and development of products for others in the field of audio equipment, apparatus, components and accessories used for capturing, extracting, transmitting and reproducing frequency, amplitude, and phase information to make sound, and for generating, processing, enhancing, controlling, producing, reproducing, recording, transmitting, and playing audio signals, files, and sounds; technical consultation in the field of engineering of audio equipment, apparatus, components and accessories used for capturing, extracting, transmitting and reproducing frequency, amplitude, and phase information to make sound, and for generating, processing, enhancing, controlling, producing, reproducing, recording, transmitting, and playing audio signals, files, and sounds
45
Licensing of intellectual property
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