Dual sourcing power over ethernet on a single data path

    公开(公告)号:US11764983B2

    公开(公告)日:2023-09-19

    申请号:US17949683

    申请日:2022-09-21

    CPC classification number: H04L12/10

    Abstract: Described herein is a data communication system using power over Ethernet (PoE) for power distribution, comprising a first and second powered device (PD), each of which is adapted to communicate with each other through an Ethernet data path (EDP) and is further adapted to receive direct current (DC) power using a PoE protocol, and a mid-span power injection device (MSPID) adapted to provide a communications interface such that data communications passes through the MSPID to and from each of the PDs, and wherein the MSPID is further adapted to provide a first DC power to only the first PD using the EDP, and to provide a second DC power to only the second PD using the EDP.

    Room monitor using cloud service
    34.
    发明授权

    公开(公告)号:US11736876B2

    公开(公告)日:2023-08-22

    申请号:US17569327

    申请日:2022-01-05

    Inventor: Mark LaBosco

    Abstract: A computer-implemented method and system for performing testing of audio equipment in a conference room, the method executed by one or more processors, comprising: (a) commissioning the conference room with a set of audio video equipment, the set of audio equipment comprising one or more loudspeakers, one or more microphones, and audio signal processing equipment that includes at least an acoustic echo cancellation function; (b) determining an initial audio performance level in the conference room, and storing the initial audio performance level (IAPL); (c) determining that sound quality testing of the audio equipment in the conference room should be performed; (d) disabling the acoustic echo cancellation function in the audio equipment of the conference room such that an output from each of the one or more loudspeakers is not removed from a respective microphone output signal; (e) generating an electrical stimulus test signal and transmitting it to the one or more loudspeakers in the audio equipment of the conference room; (f) receiving an acoustic audio stimulus test signal generated by each of the one or more loudspeakers from each of the one or more microphones, and analyzing each of the received acoustic audio stimulus test signals to generate a current audio performance level (CAPL); (g) comparing the CAPL to the IAPL; and (h) determining if the audio equipment in the conference room passes or fails the sound quality test based on the comparison of the CAPL to the IAPL.

    ROOM MONITOR USING CLOUD SERVICE
    35.
    发明申请

    公开(公告)号:US20220225040A1

    公开(公告)日:2022-07-14

    申请号:US17569327

    申请日:2022-01-05

    Inventor: Mark LaBosco

    Abstract: A computer-implemented method and system for performing testing of audio equipment in a conference room, the method executed by one or more processors, comprising: (a) commissioning the conference room with a set of audio video equipment, the set of audio equipment comprising one or more loudspeakers, one or more microphones, and audio signal processing equipment that includes at least an acoustic echo cancellation function; (b) determining an initial audio performance level in the conference room, and storing the initial audio performance level (IAPL); (c) determining that sound quality testing of the audio equipment in the conference room should be performed; (d) disabling the acoustic echo cancellation function in the audio equipment of the conference room such that an output from each of the one or more loudspeakers is not removed from a respective microphone output signal; (e) generating an electrical stimulus test signal and transmitting it to the one or more loudspeakers in the audio equipment of the conference room; (f) receiving an acoustic audio stimulus test signal generated by each of the one or more loudspeakers from each of the one or more microphones, and analyzing each of the received acoustic audio stimulus test signals to generate a current audio performance level (CAPL); (g) comparing the CAPL to the IAPL; and (h) determining if the audio equipment in the conference room passes or fails the sound quality test based on the comparison of the CAPL to the IAPL.

    Millimeter wave sensor used to optimize performance of a beamforming microphone array

    公开(公告)号:US11070913B2

    公开(公告)日:2021-07-20

    申请号:US16802004

    申请日:2020-02-26

    Inventor: Mark LaBosco

    Abstract: A beamforming microphone array is described herein, comprising: a plurality of microphones each of which is adapted to receive an acoustic audio signal and convert the same to a microphone (mic) audio signal; a wave sensor system adapted to determine locations of one or more people within a predetermined area about the beamforming microphone array and output the same as user location data signal; and an adaptive beamforming circuit adapted to receive the user location data signal and plurality of mic audio signals and perform adaptive beamforming on the plurality of mic audio signals that takes into account the received user location data signal to adapt a plurality of beam signals, one for each of the microphones, to acquire sound from one or more specific locations in the predetermined area; and a plurality of acoustic echo cancellation devices, one for each of the beam signal outputs from the adaptive beamforming circuit, wherein each of the plurality of acoustic echo cancellation devices is adapted to receive a respective beam signal from the adaptive beamforming circuit and perform acoustic echo cancellation on the received respective beam signal and output the echo-corrected beam signal.

    MILLIMETER WAVE SENSOR USED TO OPTIMIZE PERFORMANCE OF A BEAMFORMING MICROPHONE ARRAY

    公开(公告)号:US20200275203A1

    公开(公告)日:2020-08-27

    申请号:US16802040

    申请日:2020-02-26

    Inventor: Mark LaBosco

    Abstract: A method for operating a beamforming microphone array for use in a predetermined area is provided herein, the method comprising: receiving acoustic audio signals at each of a plurality of microphones, converting the same to an electrical mic audio signal, and outputting each of the plurality of electrical mic audio signals; generating a user location data signal by a wave sensor system, and outputting the user location data signal, wherein the user location data signal includes location information of one or more people within the predetermined area; receiving both the user location data signal and plurality of echo-corrected mic audio signals at an adaptive beamforming device; and adapting one or more beams by the adaptive beamforming device based on the user location data signal and plurality of mic audio signals wherein each of the one or more beams acquires sound from one or more specific locations in the predetermined area.

    MILLIMETER WAVE SENSOR USED TO OPTIMIZE PERFORMANCE OF A BEAMFORMING MICROPHONE ARRAY

    公开(公告)号:US20200275202A1

    公开(公告)日:2020-08-27

    申请号:US16802004

    申请日:2020-02-26

    Inventor: Mark LaBosco

    Abstract: A beamforming microphone array is described herein, comprising: a plurality of microphones each of which is adapted to receive an acoustic audio signal and convert the same to a microphone (mic) audio signal; a wave sensor system adapted to determine locations of one or more people within a predetermined area about the beamforming microphone array and output the same as user location data signal; and an adaptive beamforming circuit adapted to receive the user location data signal and plurality of mic audio signals and perform adaptive beamforming on the plurality of mic audio signals that takes into account the received user location data signal to adapt a plurality of beam signals, one for each of the microphones, to acquire sound from one or more specific locations in the predetermined area; and a plurality of acoustic echo cancellation devices, one for each of the beam signal outputs from the adaptive beamforming circuit, wherein each of the plurality of acoustic echo cancellation devices is adapted to receive a respective beam signal from the adaptive beamforming circuit and perform acoustic echo cancellation on the received respective beam signal and output the echo-corrected beam signal.

    REFERENCE AUDIO EXTRACTION DEVICE FOR USE WITH NETWORK MICROPHONES WITH ACOUSTIC ECHO CANCELLATION AND BEAMFORMING

    公开(公告)号:US20200175978A1

    公开(公告)日:2020-06-04

    申请号:US16230099

    申请日:2018-12-21

    Inventor: Mark LaBosco

    Abstract: Disclosed is a method for delaying audio from a received signal prior to processing in an acoustic echo cancellation device, comprising: receiving an audio signal at an audio extraction and delay device; determining a first amount of delay to apply to the received audio signal such that acoustic echo cancellation (AEC) processing can occur; applying the first amount of delay to the received audio signal; transmitting the un-delayed audio signal to an AEC circuit; and transmitting the delayed audio signal to one or more speakers.

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