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SYSTEM AND METHOD FOR DETECTING ROOM OCCUPANCY WITH BEAMFORMING MICROPHONE ARRAYS
SYSTEM AND METHOD FOR DETECTING ROOM OCCUPANCY WITH BEAMFORMING MICROPHONE ARRAYS
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机译:波束成形的麦克风阵列检测房间占用率的系统和方法
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摘要
A building automation system generates occupancy information for occupants of spaces of a building (e.g. quantity, identity and/or location of the occupants) based on occupancy sensors in the spaces. The occupancy sensors capture speech sounds originating from one or more occupants of the spaces and/or ultrasonic emissions originating from one or more user devices of the occupants are via microphone arrays. Audio data based on the captured sound is then generated. Position information for the sources of the sound is determined based on the audio data, and the audio data is enhanced based on the position information via a beamforming process. Occupancy information for the spaces is generated based on the audio data. Environmental conditions of the spaces are controlled based on the presence, absence, position, orientation, distribution and/or preferences of the occupants in the space.
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