CN115314476A - Teleconference solution method and system based on audio and video conference device - Google Patents
Teleconference solution method and system based on audio and video conference device Download PDFInfo
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- 230000003287 optical effect Effects 0.000 claims description 7
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- 230000002457 bidirectional effect Effects 0.000 claims description 6
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L12/1827—Network arrangements for conference optimisation or adaptation
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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Abstract
The invention relates to a teleconferencing system based on an audio and video conference device, which comprises the following components: each audio and video conference device serves as a communication sub-node and provides audio and video information for a user so that the user participates in a teleconference; the cloud server is in information interaction with the audio and video conference device and is used for sharing the contents of different audio and video conference devices according to the request of a user; the audio and video conference device comprises an audio module, a video module and a video module, wherein the audio module is used for providing audio related services for a teleconference; the video module is used for providing video related services for the teleconference; and the communication module is in communication connection with the cloud server and is used for performing information interaction with the cloud server. The invention can ensure vivid video effect, clear and smooth audio effect and excellent stability, and can ensure stable information interaction when a plurality of parties carry out the teleconference, and the invention can provide comfortable, joyful and immersive experience for at least small and medium-sized teleconferencing and other applications.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a teleconference solution method and system based on an audio and video conference device.
Background
The remote conference aims to realize the purpose of holding a conference across areas by using a modern communication means. To carry out a teleconference, communication lines, a teleconference system and, of course, professional services are required in some cases to help you get a better teleconference effect. The teleconferencing system mainly comprises a telephone conference, a network conference and a video conference. The remote conference can avoid intensive personnel, and is convenient for remote users to carry out real-time conference communication.
When a teleconference is carried out, vivid and vivid video effect, uniform picture brightness, strong light color layering, high definition, good color reducibility, clear and smooth audio effect and excellent stability need to be ensured, and when the teleconference is carried out by multiple parties, stable information interaction needs to be ensured, otherwise, the use experience of users is seriously influenced, and even the conference is terminated.
Disclosure of Invention
The invention aims to solve at least one of the defects of the prior art and provides a teleconference solution and a teleconference system based on an audio-video conference device.
In order to achieve the purpose, the invention adopts the following technical scheme:
specifically, a teleconference system based on an audio/video conference device is provided, which includes the following:
each audio and video conference device serves as a communication sub-node and provides audio and video information for a user so that the user participates in a teleconference;
the cloud server is in information interaction with the audio and video conference device and is used for sharing the contents of different audio and video conference devices according to the request of a user;
the audio-video conference device comprises a video conference device,
the audio module is used for providing audio related services for the teleconference;
the video module is used for providing video related services for the teleconference;
and the communication module is in communication connection with the cloud server and is used for performing information interaction with the cloud server.
And the interaction stabilization module is used for ensuring the interaction stabilization according to a preset rule when each communication module interacts with the cloud server.
Further, specifically, the audio module includes,
the microphone module is used for picking up sound;
the deep echo cancellation AEC module is used for carrying out deep echo cancellation processing on the audio data through an AEC technology;
the bidirectional noise compression NC module is used for performing bidirectional noise compression processing on the audio data through an NC technology;
the intelligent microphone automatic direction-finding EMI module is used for automatically performing direction-finding processing on the microphone through an EMI technology;
and the AGC module is used for carrying out automatic gain processing on the audio data.
Further, specifically, the microphone module includes 4 built-in single directional microphones, which together form 360 degrees of omni-directional sound pickup.
Further, specifically, the video module comprises,
the optical lens is arranged on the holder and used for acquiring image data, and the holder is driven to move by a stepping motor;
the automatic focusing module is used for automatically focusing the optical lens;
and an image sensor for performing photoelectric conversion on the image data.
Further, the audio-video conference device also comprises,
the expansion interface module comprises 3 USB interfaces, 2 Mini DIN6 heads, a power interface and a power switch.
The invention also provides a remote conference solution based on the audio and video conference device, which is applied to the remote conference system based on the audio and video conference device and comprises the following components:
configuring audio and video conference devices at a preset place, wherein each audio and video conference device is used as a communication sub-node;
when a remote conference is to be conducted,
determining the position of one audio and video conference device as a main conference place and the positions of other audio and video conference devices as auxiliary conference places according to the user request;
the cloud server acquires conference information of the main conference place through a communication module, wherein the conference information comprises audio information acquired by an audio module and video information acquired by a video module;
the cloud server transmits the conference information to a slave conference place;
and during the interaction, ensuring the stable proceeding of the interaction according to the rule preset by the interaction stabilizing module.
Further, the method also comprises the following steps,
when an identity change request is sent from a slave conference place, and the child nodes exceeding the first proportion of the total number of the communication child nodes agree with the identity change request, identity change is carried out on the slave conference place, the slave conference place is changed into a master conference place, and the positions of the audio and video conference devices at other places are used as slave conference places.
Further, specifically, the first ratio is three quarters.
Further, the method may further comprise,
and when a remote conference is carried out, only the communication sub-node verified by the secret key is regarded as an active node, and the total number of the communication sub-nodes in the current conference is recorded.
Further, the rules preset by the interaction stabilization module include the following,
presetting the maximum simultaneous average interaction frequency of the cloud server and a plurality of audio and video conference devices as a and the number of allowed channels as s, wherein a and s are positive integers,
then there is a list of the number of,
wherein the content of the first and second substances,
in summary, the average number of requests for interaction between the cloud server and the audio/video conference device is calculated for each time:
finishing and converting to obtain:
where ρ = a/s and ρ < 1,
when the cloud server interacts with any audio and video conference device, waiting for the average number of requests existing in a queue;
the average response time is then:
wherein λ and μ are constants, satisfying λ/μ = a;
and determining the values of a and s by debugging in advance to finally ensure that the average response time E [ w ] is less than a preset value, thereby ensuring the stable information interaction between the cloud server and the audio and video conference device.
The invention has the beneficial effects that:
the invention provides a teleconferencing system based on audio and video conference devices, wherein the audio and video conference devices are configured at a preset place, and each audio and video conference device is used as a communication sub-node; when a teleconference is carried out, determining the position of one audio and video conference device as a main conference place and the positions of other audio and video conference devices as auxiliary conference places according to a user request; the cloud server acquires conference information of the main conference place through a communication module, wherein the conference information comprises audio information acquired by an audio module and video information acquired by a video module; the cloud server transmits the conference information to a slave conference place; and during the interaction, ensuring the stable proceeding of the interaction according to the rule preset by the interaction stabilizing module. The invention can ensure vivid video effect, uniform picture brightness, strong light color layering, high definition, good color reducibility, clear and smooth audio effect and excellent stability, and can ensure stable information interaction when a plurality of parties carry out a teleconference.
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The foregoing and other features of the present disclosure will be more readily apparent from the detailed description of the embodiments shown in the accompanying drawings in which like reference numerals refer to the same or similar elements, and it will be apparent that the drawings in the following description are merely some examples of the disclosure, and that other drawings may be derived by those skilled in the art without inventive faculty, and wherein:
fig. 1 is a flowchart of an access control method of a teleconference system based on an audio/video conference apparatus according to the present invention.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
Referring to fig. 1, in embodiment 1, the present invention provides a teleconference system based on an audio/video conference device, including the following:
each audio and video conference device serves as a communication sub-node and provides audio and video information for a user so that the user participates in a teleconference;
the cloud server is in information interaction with the audio and video conference device and is used for sharing the contents of different audio and video conference devices according to the request of a user;
the audio-video conference device comprises a video conference device,
the audio module is used for providing audio related services for the teleconference;
the video module is used for providing video related services for the teleconference;
and the communication module is in communication connection with the cloud server and is used for performing information interaction with the cloud server.
And the interaction stabilization module is used for ensuring the interaction stability according to a preset rule when each communication module interacts with the cloud server.
In a preferred embodiment of the invention, an audio and video conference device is configured at a preset place, and each audio and video conference device is used as a communication sub-node; when a teleconference is carried out, determining the position of one audio and video conference device as a main conference place and the positions of other audio and video conference devices as auxiliary conference places according to a user request; the cloud server acquires conference information of the main conference place through a communication module, wherein the conference information comprises audio information acquired by an audio module and video information acquired by a video module; the cloud server transmits the conference information to a slave conference place; and during the interaction, ensuring the stable proceeding of the interaction according to the rule preset by the interaction stabilizing module. The invention can ensure vivid video effect, uniform picture brightness, strong light color layering, high definition, good color reducibility, clear and smooth audio effect and excellent stability, and can ensure stable information interaction when a plurality of parties carry out a teleconference.
As a preferred embodiment of the present invention, specifically, the audio module includes,
the microphone module is used for picking up sound;
the deep echo cancellation AEC module is used for carrying out deep echo cancellation processing on the audio data through an AEC technology;
the bidirectional noise compression NC module is used for performing bidirectional noise compression processing on the audio data through an NC technology;
the intelligent microphone automatic direction-finding EMI module is used for automatically performing direction-finding processing on the microphone through an EMI technology;
and the AGC module is used for carrying out automatic gain processing on the audio data.
Specifically, the audio module in the preferred embodiment has the parameters in the following table one, adopts international advanced new generation sonic clear IV high-definition voice processing technology, adapts to 48KHz full duplex echo cancellation, automatically adapts to all audio and video conference systems with different voice bandwidths worldwide, and has clear and smooth tone quality and excellent stability.
Watch 1
As a preferred embodiment of the present invention, specifically, the microphone module includes 4 built-in single-directional microphones, which together form 360-degree omni-directional sound pickup.
As a preferred embodiment of the present invention, in particular, the video module includes,
the optical lens is arranged on the holder and used for collecting image data, and the holder is driven to move by a stepping motor;
the automatic focusing module is used for automatically focusing the optical lens;
and an image sensor for performing photoelectric conversion on the image data.
Specifically, in the preferred embodiment, the video adopts advanced ISP processing technology and algorithm, so that the image effect is vivid and vivid, the picture brightness is uniform, the light color layering is strong, the definition is high, and the color reducibility is good. The video module is specifically provided with the parameters in table two,
watch two
As a preferred embodiment of the present invention, the audio-visual conference device further comprises,
the expansion interface module comprises 3 USB interfaces, 2 Mini DIN6 heads, a power interface and a power switch.
In the preferred embodiment, the expansion interface module has the following parameters in table three,
watch III
The invention also provides a remote conference solution based on the audio and video conference device, which is applied to the remote conference system based on the audio and video conference device and comprises the following components:
step 110, configuring audio and video conference devices at a preset place, wherein each audio and video conference device is used as a communication sub-node;
when a remote conference is to be conducted,
step 120, determining the position of one audio and video conference device as a main conference place according to a user request, and determining the positions of other audio and video conference devices as slave conference places;
step 130, the cloud server acquires conference information of the main conference place through a communication module, wherein the conference information comprises audio information acquired by an audio module and video information acquired by a video module;
step 140, the cloud server transmits the conference information to a slave conference place;
and 150, during the interaction period, ensuring the stable proceeding of the interaction according to the rule preset by the interaction stabilizing module.
As a preferred embodiment of the present invention, the method further comprises,
when an identity change request is sent from a slave conference place, and the child nodes exceeding the first proportion of the total number of the communication child nodes agree with the identity change request, identity change is carried out on the slave conference place, the slave conference place is changed into a master conference place, and the positions of the audio and video conference devices at other places are used as slave conference places.
Specifically, as a preferred embodiment of the present invention, the first ratio is three-quarters.
As a preferred embodiment of the present invention, the method further comprises,
when a remote conference is carried out, only the communication sub-nodes verified by the secret keys are regarded as active nodes, and the total number of the communication sub-nodes in the current conference is recorded.
As a preferred embodiment of the present invention, the rules preset by the interaction stabilization module include the following,
presetting the maximum simultaneous average interaction times of the cloud server and a plurality of audio and video conference devices during interaction as a and the number of allowed channels as s, wherein a and s are positive integers,
then there is a list of the number of,
wherein the content of the first and second substances,
in summary, the average number of requests for interaction between the cloud server and the audio/video conference device is calculated for each time:
finishing and converting to obtain:
where ρ = a/s and ρ < 1,
when the cloud server interacts with any audio and video conference device, waiting for the average number of requests existing in a queue;
the average response time is then:
wherein λ and μ are constants, satisfying λ/μ = a;
and determining the values of a and s by debugging in advance to finally ensure that the average response time E [ w ] is less than a preset value, thereby ensuring the stable information interaction between the cloud server and the audio and video conference device.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one position, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a separate product, may be stored in a computer-readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the above-described method embodiments when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or system capable of carrying the computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, and software distribution medium, etc. It should be noted that the computer readable medium includes content that can be suitably increased or decreased according to the requirements of legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunication signals according to legislation and patent practice.
While the present invention has been described in considerable detail and with particular reference to a few illustrative embodiments thereof, it is not intended to be limited to any such details or embodiments or any particular embodiments, but it is to be construed as effectively covering the intended scope of the invention by providing a broad, potential interpretation of such claims in view of the prior art with reference to the appended claims. Furthermore, the foregoing describes the invention in terms of embodiments foreseen by the inventor for which an enabling description was available, notwithstanding that insubstantial modifications of the invention, not presently foreseen, may nonetheless represent equivalent modifications thereto.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the present invention shall fall within the protection scope of the present invention as long as the technical effects of the present invention are achieved by the same means. The technical solution and/or the embodiments thereof may be variously modified and varied within the scope of the present invention.
Claims (10)
1. The teleconference system based on the audio/video conference device is characterized by comprising the following components:
each audio and video conference device is used as a communication sub-node and provides audio and video information for a user so that the user participates in a teleconference;
the cloud server is in information interaction with the audio and video conference device and is used for sharing the contents of different audio and video conference devices according to the request of a user;
the audio-video conference device comprises a video conference device,
the audio module is used for providing audio related services for the teleconference;
the video module is used for providing video related services for the teleconference;
the communication module is in communication connection with the cloud server and is used for performing information interaction with the cloud server;
and the interaction stabilization module is used for ensuring the interaction stability according to a preset rule when each communication module interacts with the cloud server.
2. The audio-video conferencing device-based teleconferencing system according to claim 1, wherein in particular, the audio module comprises,
the microphone module is used for picking up sound;
the deep echo cancellation AEC module is used for carrying out deep echo cancellation processing on the audio data through an AEC technology;
the bidirectional noise compression NC module is used for performing bidirectional noise compression processing on the audio data through an NC technology;
the intelligent microphone automatic direction-finding EMI module is used for automatically performing direction-finding processing on the microphone through an EMI technology;
and the AGC module is used for carrying out automatic gain processing on the audio data.
3. The teleconference system based on the audio-video conference apparatus as claimed in claim 2, wherein specifically, the microphone module comprises 4 built-in single-directional microphones which together form 360-degree omni-directional sound pickup.
4. The audio-video conferencing device-based teleconferencing system according to claim 1, wherein in particular, said video module comprises,
the optical lens is arranged on the holder and used for acquiring image data, and the holder is driven to move by a stepping motor;
the automatic focusing module is used for automatically focusing the optical lens;
and an image sensor for photoelectrically converting image data.
5. The audio-visual conferencing device-based teleconferencing system according to claim 1, wherein the audio-visual conferencing device further comprises,
the expansion interface module comprises 3 USB interfaces, 2 Mini DIN6 heads, a power interface and a power switch.
6. The teleconference solution based on the audio-video conference device is characterized by being applied to the teleconference system based on the audio-video conference device as set forth in the above claim 1, and comprising the following:
configuring audio and video conference devices at a preset place, wherein each audio and video conference device is used as a communication sub-node;
when a remote conference is to be conducted,
determining the position of one audio and video conference device as a main conference place and the positions of other audio and video conference devices as auxiliary conference places according to the user request;
the cloud server acquires conference information of the main conference place through a communication module, wherein the conference information comprises audio information acquired by an audio module and video information acquired by a video module;
the cloud server transmits the conference information to a slave conference place;
and during the interaction, ensuring the stable proceeding of the interaction according to the rule preset by the interaction stabilizing module.
7. The audio-visual conferencing unit-based teleconferencing solution as claimed in claim 6, wherein said method further comprises,
when an identity change request is sent from a slave conference place, and the child nodes exceeding the first proportion of the total number of the communication child nodes agree with the identity change request, identity change is carried out on the slave conference place, the slave conference place is changed into a master conference place, and the positions of the audio and video conference devices at other places are used as slave conference places.
8. The audio-visual conferencing device-based teleconference solution of claim 7, wherein in particular the first proportion is three-quarters.
9. The audio-visual conferencing solution based on device for teleconferencing according to claim 6, further comprising,
and when a remote conference is carried out, only the communication sub-node verified by the secret key is regarded as an active node, and the total number of the communication sub-nodes in the current conference is recorded.
10. The teleconference solution based on audio-visual conference devices of claim 6, wherein the rules preset by the interaction stabilization module include the following,
presetting the maximum simultaneous average interaction frequency of the cloud server and a plurality of audio and video conference devices as a and the number of allowed channels as s, wherein a and s are positive integers,
then there is a change in the number of,
wherein the content of the first and second substances,
in summary, the average number of requests for interaction between the cloud server and the audio/video conference device is calculated for each time:
finishing and converting to obtain:
where ρ = a/s and ρ < 1,
when the cloud server interacts with any audio and video conference device, waiting for the average number of requests existing in a queue;
the average response time is then:
wherein λ and μ are constants, satisfying λ/μ = a;
and determining the values of a and s through pre-debugging to finally ensure that the average response time E [ w ] is less than a preset value, thereby ensuring the stable information interaction between the cloud server and the audio and video conference device.
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