CN209994523U - Conference room terminal equipment with multi-microphone array and touch screen control - Google Patents
Conference room terminal equipment with multi-microphone array and touch screen control Download PDFInfo
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- CN209994523U CN209994523U CN201921254969.6U CN201921254969U CN209994523U CN 209994523 U CN209994523 U CN 209994523U CN 201921254969 U CN201921254969 U CN 201921254969U CN 209994523 U CN209994523 U CN 209994523U
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Abstract
The utility model provides a take conference room terminal equipment that many microphone array and touch-sensitive screen controlled, including touch display screen, the extension type microphone more than two at least and the conference room terminal control unit who is connected with touch display screen. The integration has ARM treater, RJ45 interface, extension microphone interface, connects the main microphone of ARM treater in the meeting room terminal control unit, and extension microphone connection extension microphone interface and array are put round meeting room terminal control unit, the utility model discloses an RJ45 interface inserts active ethernet, has solved that current video conferencing equipment wire rod is many, inconvenient people assemble and arrange the problem and be not suitable for the great problem that has the echo of meeting room. Just the utility model discloses have certainly with the ARM treater, mountable software, therefore realize a key meeting, password admission etc. through touch display screen, realize meeting accuse effect, and then, people then need not control the video conference and establish configuring a computer, and the people of being convenient for operate.
Description
Technical Field
The utility model relates to a meeting room terminal equipment's technical field especially relates to the meeting room terminal equipment who controls with many microphone arrays and touch-sensitive screen.
Background
As is well known, the existing video conference equipment has only one microphone or only one extension microphone, so that when the conference room is a little bit larger, especially when many people speak, the problems of speaking with distance and unrealistic feeling are easily caused. In addition, the existing video conference equipment needs to be connected with wires such as a power line, a network cable and an audio cable, and the wires are more, so that the video conference equipment is easily limited by the length distance of each wire during assembly, and the video conference equipment is inconvenient for people to assemble. In addition, the existing video conference equipment does not have a system and touch control, so that one more computer is needed to control the video conference equipment, the cost of the video conference equipment is increased, and the operation of people is inconvenient.
Disclosure of Invention
In order to solve the defects and deficiencies of the prior art, the utility model provides a conference room terminal equipment that controls with many microphone arrays and touch-sensitive screen.
The utility model adopts the technical proposal that: conference room terminal equipment with multi-microphone array and touch screen control, its characterized in that: the conference room terminal comprises a touch display screen, a conference room terminal control unit and at least more than two expansion microphones;
a control panel is arranged in the touch display screen, and a camera connected with the control panel is arranged on the touch display screen;
the conference room terminal control unit is internally integrated with an ARM processor connected with the control panel, a first analog signal converter connected with the ARM processor, an XMOS chip, a POE power supply, a second analog signal converter, an RJ45 interface, an expansion microphone interface, a main microphone connected with the first analog signal converter, an audio transformer connected with the RJ45 interface, a high-speed differential bus transceiver connected with the audio transformer, a data converter connected with the high-speed differential bus transceiver, and a digital-analog converter connected with the data converter and the second analog signal converter, wherein the expansion microphone interface and the XMOS chip are connected with the first analog signal converter, and the second analog signal converter is connected with the XMOS chip;
the extension microphone is connected with the extension microphone interface and arranged around the conference room terminal control unit in an array form.
Preferably, the model of the ARM processor is RK 3288.
Preferably, the RJ45 interface is connected to a USB sound card through an active ethernet cable.
Preferably, the USB sound card is connected with a loudspeaker through a digital audio interface.
Preferably, the USB sound card is externally connected with a computer through a USB interface.
The utility model has the advantages that: compared with the prior art, the utility model discloses include main microphone and at least two extension microphones more than, and extension microphone centers on meeting room terminal control unit with the array form and puts, when the meeting room is great, also can gather the sound of the indoor people of meeting, and the utility model discloses include the XMOS chip, DSP digital signal processing promptly, the problem that the audio signal that main microphone and extension microphone gathered can be eliminated to the cooperation ARM treater has the echo, and then, can solve the great problem that has the echo of current video terminal equipment unsuitable for meeting room. Still, the utility model discloses an RJ45 interface inserts active ethernet, can realize having replaced wire rods such as power cord, net twine, audio line through a net twine, has solved that current video conferencing equipment wire rod is more, inconvenient people assembles the arrangement problem. Additionally, the utility model discloses a video conference equipment is from having the system of audio frequency processing with ARM treater (can constitute the tall and erect system) as the center and having touch display screen, therefore mountable software APP, can realize a key meeting through touch display screen, the password is gone into meeting, the schedule is gone into meeting etc., and then realize the effect that can control, and, can be used to realize dialing the phone through touch display screen, control main microphone, the effect such as the sound size of extension microphone silence and control loudspeaker, and then, people then need not control video conference equipment at a configuration computer, therefore, the expense of reducible video conference equipment cost, and be convenient for people to operate.
Drawings
Fig. 1 is a schematic block diagram of a conference room terminal control unit according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some sub-embodiments of the present invention. Based on the embodiments in the present invention, other embodiments obtained by the skilled in the art without creative work all belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, the conference room terminal device with multi-microphone array and touch screen operation according to the embodiment of the present invention includes a touch display screen 2, a conference room terminal control unit 100, and at least two or more extension microphones 110. A control panel (not shown in the figure) is arranged in the touch display screen 2, and a camera (not shown in the figure) connected with the control panel is arranged on the touch display screen 2.
The conference room terminal control unit 100 is internally integrated with an ARM processor 1 connected with a control panel, a first analog signal converter 5 connected with the ARM processor 1, an XMOS chip 6, a POE power supply 7, a second analog signal converter 12, an RJ45 interface 13, an extension microphone interface 3, a main microphone 4 connected with the first analog signal converter 5, an audio transformer 8 connected with the RJ45 interface 13, a high-speed differential bus transceiver 9 connected with the audio transformer 8, a data converter 10 connected with the high-speed differential bus transceiver 9, a digital-analog converter 11 connected with the data converter 10 and the second analog signal converter 12, the extension microphone interface 3, the XMOS chip 6 are connected with the first analog signal converter 5, and the second analog signal converter 12 is connected with the XMOS chip 6.
At least two expansion microphone interfaces 3, and the expansion microphones 110 are connected to the expansion microphone interfaces 3 and arranged around the conference room terminal control unit 100 in an array.
If the utility model discloses include three extension microphone 110, and surround conference room terminal control unit 100 with three extension microphone 110 and put, every extension microphone 110 interval 120 degree angle interval arrangement is in conference room terminal control unit 100 outside promptly, and each extension microphone 110 is responsible for the sound collection of 120 degree angle within ranges, when the conference room is great, then can adopt more extension microphones 110 to surround conference room terminal control unit 100 with the array form and put, so that gather the sound of people in the conference room, can solve current video terminal equipment from this and not be applicable to the great problem in conference room.
In the embodiment of the present invention, the model of the ARM processor 1 is RK 3288.
In the embodiment of the present invention, the RJ45 interface 13 is connected to the USB sound card 200 through an active ethernet cable.
In the embodiment of the present invention, the USB sound card 200 is connected to the speaker 400 through a digital audio interface.
In the embodiment of the present invention, the USB sound card 200 is connected to the computer 300 through the USB interface, and also connected to the mobile phone, the tablet and other devices capable of viewing the screen through the USB interface.
In a video conference, the main microphone 4 and the extension microphone 110 convert sound collected by a conference room, i.e. audio signals, into digital signals through the first analog signal converter 5, then transmit the digital signals into the ARM processor 1 for audio algorithm processing after the digital signals are processed by the DSP in the XMOS chip 6, the processed SPDIF signals are output to the RJ45 interface 13 from the S/PDIF digital audio interface protocol on the ARM processor 1 and transmitted into the USB sound card 200 from the RJ45 interface 13 through the internet cable, and are sequentially processed by the audio transformer, the SPDIF signals and the digital analog converter in the USB sound card 200, and finally the obtained analog signals are processed by the codec in the USB sound card 200 and then transmitted to a person who is involved in the video conference room through the computer 300.
The voice (i.e. audio signal) of the person speaking with the video in the conference room enters the USB sound card 200 from the computer 300 through the USB interface, and is processed by the audio transformer and SPDIF signal in the USB sound card 200, and finally the resulting SPDIF signal is divided into two paths, one path is transmitted to the speaker 400 (i.e. speaker) through the digital audio interface for playing, the other path is transmitted to the conference room terminal control unit 100 through the RJ45 interface 13 through the network cable, that is, the voice signal is transmitted to the second analog signal converter 12 through the audio transformer 8, the high-speed differential bus transceiver 9, the data converter 10 (i.e. the data converter of SPDIF/I2S) and the digital analog converter 11 in the conference room terminal control unit 100, and finally the analog signal formed by the processing is transmitted to the second analog signal converter 12 for converting into a digital signal, and the digital signal is transmitted to the ARM processor 1 as a reference signal after being processed by the DSP digital signal in the XMOS chip 6, so as to eliminate the problem that the, therefore, the problem that the person transmitting the video to the conference room and the loudspeaker 400 have echoes is solved, and the people can listen to the words spoken by the person in the conference room conveniently and use the words conveniently. And, the utility model discloses a RJ45 interface 13 inserts active ethernet from the USB sound card to POE power 7 through in the meeting room terminal control unit 100 decomposes out power and the use of ethernet confession ARM treater 1, and provides the power for touch display screen 2 through ARM treater 1, from this, can realize having replaced wire rods such as power cord, net twine, audio line through a net twine, it is more to have solved current video conferencing equipment wire rod, inconvenient people assembles the arrangement problem. Additionally, the utility model discloses a video conference equipment is from having the system of handling the audio frequency of gathering main microphone 4 and extension microphone 110, and have ARM treater 1 (constitute the tall and erect system promptly) and have touch display screen 2, therefore mountable software APP, can realize a key meeting through touch display screen 2, the password is gone into meeting, the schedule is gone into meeting etc., and then realize the effect that can control, and, can be used to realize dialing the phone through touch display screen 2, control main microphone 4, extension microphone 110 silence and the effect such as sound size of control loudspeaker 400, and then, people then need not control video conference equipment at a configuration computer 300, therefore, the expense of reducible video conference equipment cost, and be convenient for people to operate.
The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. But rather, obvious variations and modifications may be made without departing from the spirit of the invention.
Claims (5)
1. Conference room terminal equipment with multi-microphone array and touch screen control, its characterized in that: the conference room terminal comprises a touch display screen, a conference room terminal control unit and at least more than two expansion microphones;
a control panel is arranged in the touch display screen, and a camera connected with the control panel is arranged on the touch display screen;
the conference room terminal control unit is internally integrated with an ARM processor connected with the control panel, a first analog signal converter connected with the ARM processor, an XMOS chip, a POE power supply, a second analog signal converter, an RJ45 interface, an expansion microphone interface, a main microphone connected with the first analog signal converter, an audio transformer connected with the RJ45 interface, a high-speed differential bus transceiver connected with the audio transformer, a data converter connected with the high-speed differential bus transceiver, and a digital-analog converter connected with the data converter and the second analog signal converter, wherein the expansion microphone interface and the XMOS chip are connected with the first analog signal converter, and the second analog signal converter is connected with the XMOS chip;
the extension microphone is connected with the extension microphone interface and arranged around the conference room terminal control unit in an array form.
2. Conference room terminal device with multi-microphone array and touch-screen manipulation according to claim 1, characterized in that: the model of the ARM processor is RK 3288.
3. Conference room terminal device with multi-microphone array and touch-screen manipulation according to claim 1, characterized in that: and the RJ45 interface is connected with a USB sound card through an active Ethernet cable.
4. Conference room terminal device with multi-microphone array and touch-screen manipulation according to claim 3, characterized in that: the USB sound card is connected with a loudspeaker through a digital audio interface.
5. Conference room terminal device with multi-microphone array and touch-screen manipulation according to claim 3 or 4, characterized in that: the USB sound card is externally connected with a computer through a USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254969.6U CN209994523U (en) | 2019-08-05 | 2019-08-05 | Conference room terminal equipment with multi-microphone array and touch screen control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921254969.6U CN209994523U (en) | 2019-08-05 | 2019-08-05 | Conference room terminal equipment with multi-microphone array and touch screen control |
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| Publication Number | Publication Date |
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| CN209994523U true CN209994523U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921254969.6U Active CN209994523U (en) | 2019-08-05 | 2019-08-05 | Conference room terminal equipment with multi-microphone array and touch screen control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965853A (en) * | 2021-10-19 | 2022-01-21 | 深圳市广和通无线股份有限公司 | Module equipment, audio processing method and related equipment |
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2019
- 2019-08-05 CN CN201921254969.6U patent/CN209994523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965853A (en) * | 2021-10-19 | 2022-01-21 | 深圳市广和通无线股份有限公司 | Module equipment, audio processing method and related equipment |
| CN113965853B (en) * | 2021-10-19 | 2024-01-05 | 深圳市广和通无线股份有限公司 | Module device, audio processing method and related device |
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