# US 9,439,015 B2 · Management system with acoustical measurement for monitoring noise levels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,439,015 B2 - Document ID: US9439015B2 - Status: Granted - Kind: B2 - Application number: 14/100,378 - Filed: 2013-12-09 - Published: 2014-05-22 - Granted: 2016-09-06 - Earliest claimed: 2012-10-31 - Assignees: International Business Machines Corporation - Applicants: International Business Machines Corporation - Inventors: Matthew A. Nobile; Sal M. Rosato - Web page: https://patentgrep.com/patent/US9439015B2 ## CPC - H04R 29/005: {Microphone arrays} - G10K 2210/12: Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin - H04R 29/008: {Visual indication of individual signal levels (visual indication of stereophonic sound image H04S7/40)} - H04R 2201/021: Transducers or their casings adapted for mounting in or to a wall or ceiling - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) - G10K: SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR ## Abstract A system is provided and includes a plurality of acoustic devices disposed in locations arrayed throughout a defined space, each one of the plurality of acoustic devices being receptive of acoustical attributes such as sound or noise levels generated in the defined space and configured to issue signals reflective of the generated acoustical attributes and an acoustic data unit disposed in signal communication with each of the plurality of acoustic devices. The acoustic data unit is receptive of the signals issued from the plurality of acoustic devices and configured to convert the signals into digital acoustic data and to output the digital acoustic data in a serialized format compatible with a network protocol. ## Claims ### Claim 1 A system, comprising: a plurality of acoustic devices disposed in concealed locations arrayed throughout a defined space with a ceiling having substantially flat and opposed uppermost and lowermost surfaces such that each of the acoustic devices is above the uppermost surface of the ceiling of the defined space, each one of the plurality of acoustic devices being receptive of acoustic generated in the defined space and having passed through the ceiling to reach the plurality of acoustic devices, and each one of the plurality of acoustic devices being configured to issue signals reflective of the generated acoustic; and an acoustic data unit disposed in signal communication with each of the plurality of acoustic devices; the acoustic data unit being receptive of the signals issued from the plurality of acoustic devices and configured to convert the signals into digital acoustic data and to output the digital acoustic data in a serialized format compatible with a network protocol. ### Claim 2 (depends on 1) The system according to claim 1, wherein the defined space comprises an indoor space. ### Claim 3 (depends on 1) The system according to claim 1, wherein the defined space comprises a datacenter. ### Claim 4 (depends on 1) The system according to claim 1, wherein the defined space comprises a plurality of discrete defined spaces, which are each associated with a corresponding one of the plurality of acoustic devices. ### Claim 5 (depends on 1) The system according to claim 1, wherein the acoustic devices comprise microphones. ### Claim 6 (depends on 1) The system according to claim 1, wherein the acoustic data unit comprises: a multiplexer coupled to each of the plurality of acoustic devices; an analog/digital (A/D) converter to convert the signals issued from the plurality of acoustic devices into the digital acoustic data; and a processing unit to process the digital acoustic data and to organize the digital acoustic data in the serialized format compatible with the network protocol. ### Claim 7 (depends on 6) The system according to claim 6, wherein the A/D converter comprises a weighting element, a filtering element and a calibration element. ### Claim 8 A management system, comprising: a process control system operating in accordance with a network protocol; and an acoustic measurement system, comprising: a plurality of acoustic devices disposed in concealed locations arrayed throughout a defined space with a ceiling having substantially flat and opposed uppermost and lowermost surfaces such that each acoustic device is above the uppermost surface of the ceiling of the defined space, each one of the plurality of acoustic devices being receptive of acoustic generated in the defined space and having passed through the ceiling to reach the plurality of acoustic devices, and each one of the plurality of the acoustic devices being configured to issue signals reflective of the generated acoustic; and an acoustic data unit disposed in signal communication with each of the plurality of acoustic devices and the process control system; the acoustic data unit being receptive of the signals issued from the plurality of acoustic devices and configured to convert the signals into digital acoustic data and to output the digital acoustic data to the process control system in a serialized format compatible with the network protocol. ### Claim 9 (depends on 8) The management system according to claim 8, wherein the defined space comprises an indoor space. ### Claim 10 (depends on 8) The management system according to claim 8, wherein the defined space comprises a datacenter. ### Claim 11 (depends on 8) The management system according to claim 8, wherein the defined space comprises a plurality of discrete defined spaces, which are each associated with a corresponding one of the plurality of acoustic devices. ### Claim 12 (depends on 8) The management system according to claim 8, wherein the acoustic devices comprise microphones. ### Claim 13 (depends on 8) The management system according to claim 8, wherein the acoustic data unit comprises: a multiplexer coupled to each of the plurality of acoustic devices; an analog/digital (A/D) converter to convert the signals issued from the plurality of acoustic devices into the digital acoustic data; and a processing unit to process the digital acoustic data and to organize the digital acoustic data in the serialized format compatible with the network protocol. ### Claim 14 (depends on 13) The management system according to claim 13, wherein the A/D converter comprises a weighting element, a filtering element and a calibration element. ### Claim 15 (depends on 8) The management system according to claim 8, wherein the process control system operates in accordance with one or more standardized communication protocols. ### Claim 16 (depends on 8) The management system according to claim 8, wherein the process control system comprises a user interface by which the digital acoustic data in the serialized format is reviewable.