Abstract: A system and method for performing sound quality testing of audio equipment in a conference room is provided, wherein the method can executed by one or more processors, the 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, the method comprising: (a) determining an initial audio performance level (IAPL) of the audio equipment with the acoustic echo cancellation function disabled at a time t1; (b) determining a current audio performance level (CAPL) of the audio equipment with the acoustic echo cancellation function disabled at a second time, t2, which occurs after the first time t1; (c) comparing the CAPL to the IAPL; (d) determining if the audio equipment in the conference room passes or fails a sound quality test based on the comparison of the CAPL to the IAPL; and (e) providing the determination of pass or fail of the sound quality test to a remote user at a remote location throug

Abstract: A system and method for performing sound quality testing of audio equipment in a conference room is provided, wherein the method can executed by one or more processors, the 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, the method comprising: (a) determining an initial audio performance level (IAPL) of the audio equipment with the acoustic echo cancellation function disabled at a time t1; (b) determining a current audio performance level (CAPL) of the audio equipment with the acoustic echo cancellation function disabled at a second time, t2, which occurs after the first time t1; (c) comparing the CAPL to the IAPL; (d) determining if the audio equipment in the conference room passes or fails a sound quality test based on the comparison of the CAPL to the IAPL; and (e) providing the determination of pass or fail of the sound quality test to a remote user at a remote location throug

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: A system and method for performing sound quality testing of audio equipment in a conference room, the method comprising: determining, at a time t1, in a 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, an initial audio performance level (IAPL) with the acoustic echo cancellation function turned off, and storing the same; determining, at a second time t2, following the first point in time t1, a current audio performance level (CAPL) with the acoustic echo cancellation function turned off, and storing the same; comparing the CAPL to the IAPL; and 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.

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: A system is provided herein comprising: a host audio testing device (HATD) adapted to generate one or more uniquely addressed audio test signals and transmit each generated audio test signal, and which is further adapted to receive audio test data from a bi-directional audio transceiver device (soundbar) device under test (DUT) that can be used in two or more remotely located conference rooms to perform teleconferencing between the remotely located conference rooms; and one or more remote audio generating devices (RATD), each of which is adapted to receive a generated uniquely addressed one or more audio test signals and broadcast the same to the soundbar, wherein each of the RATDs can be located at the same or different distances from the soundbar, the same or different heights with respect to the soundbar, and at the same or different angular placements with respect to the soundbar, and wherein, the HATD is further adapted to store and process the received audio test data from the DUT and generate audio tes

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: A system is provided herein comprising: a host audio testing device (HATD) adapted to generate one or more uniquely addressed audio test signals and transmit each generated audio test signal, and which is further adapted to receive audio test data from a bi-directional audio transceiver device (soundbar) device under test (DUT) that can be used in two or more remotely located conference rooms to perform teleconferencing between the remotely located conference rooms; and one or more remote audio generating devices (RATD), each of which is adapted to receive a generated uniquely addressed one or more audio test signals and broadcast the same to the soundbar, wherein each of the RATDs can be located at the same or different distances from the soundbar, the same or different heights with respect to the soundbar, and at the same or different angular placements with respect to the soundbar, and wherein, the HATD is further adapted to store and process the received audio test data from the DUT and generate audio tes

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.

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: Described herein is a compact combined active and passive cooling system to cool electronic audio-video circuitry, wherein all of the AV circuitry and cooling system fits within an enclosure that can be installed in a standard wall gang-box located in interior walls of structures. The combined active and passive cooling system uses convection, conduction, and radiation in active and passive cooling modes to dissipate heat generated by the AV circuitry into the room in which the gang box is located, and further uses the wall plate surface to dissipate heat into the room.

Abstract: A system and method for performing sound quality testing of audio equipment in a conference room, the method comprising: determining, at a time t1, in a 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, an initial audio performance level (IAPL) with the acoustic echo cancellation function turned off, and storing the same; determining, at a second time t2, following the first point in time t1, a current audio performance level (CAPL) with the acoustic echo cancellation function turned off, and storing the same; comparing the CAPL to the IAPL; and 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.

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.

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 c

Abstract: A system and method are described herein, for determining operational status of one or more power-over-Ethernet powered loudspeakers, the system and method comprising: receiving audio data at an audio receiver; transmitting the received audio data from the audio receiver to one or more audio data interface devices using an audio-over-Internet Protocol (AoIP) encoding scheme using an Ethernet cable; receiving the transmitted AoIP encoded audio data at audio data interface device, converting the encoded audio data to an analog audio data signal, transmitting the analog audio data signal to at least one loudspeaker, and broadcasting the same as an acoustic audio signal; substantially continuously receiving and storing status information by a status monitor located in the audio data interface device; and transmitting the received and stored status information to the audio receiver.

Abstract: A Power over Ethernet (PoE) Powered Device (60) is described herein that includes an auxiliary processor (62) that negotiates a power level with a PoE Power Sourcing Equipment using a first link layer (650), means for holding the PoE Powered Device in a low power state, and a second link layer (50) that allows the main processor to communicate over the Ethernet.

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.

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.