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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
software and algorithms for audio signal processing, namely, software and algorithms for noise reduction, adaptive noise cancelation, echo cancelation, audio and speech enhancement, level and volume control, gain control, speaker protection, enhanced automatic speech recognition, voice activation and control, noise classification, and context awareness; software toolset and tools for configuring, tuning, optimizing and customizing software and algorithms for audio signal processing