CN102143347B - Multi-party remote interaction system - Google Patents
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- CN102143347B CN102143347B CN 201010106011 CN201010106011A CN102143347B CN 102143347 B CN102143347 B CN 102143347B CN 201010106011 CN201010106011 CN 201010106011 CN 201010106011 A CN201010106011 A CN 201010106011A CN 102143347 B CN102143347 B CN 102143347B
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Abstract
The invention relates to a real-time interaction technology for an interaction system, in particular to a multi-party remote interaction system. The system comprises a plurality of remote terminals used for acquiring, processing, transmitting and receiving audio/video signals; each terminal comprises a switch used for being in network connection with each terminal to perform data exchange; and a microprocessor unit is connected in series in front of the switch and is used for compressing the audio/video signals. The microprocessor unit is arranged before the switch of the current each terminal, compresses the audio/video signals acquired by other equipment and transmits the audio/video signals to other remote terminals, the microprocessor unit performs high compression processing on the audio/video signals by adopting a Kalman algorithm, and exchange data quantity among remote terminals is reduced; therefore, real-time interactive efficiency among the plurality of terminals is improved.
Description
Technical field
The present invention relates to the real-time interactive technology of interaction systems, be specifically related to a kind of remote interaction in many ways system.
Background technology
Along with science and technology development, the remote interaction system has appearred in recent years, be applied to fields such as Internet chat, Web education, videoconference.
As shown in Figure 1, a plurality of remote terminals that existing interaction systems comprises, be used for gathering, handle, transmit and receive audio-video signal, described remote terminal includes a switch, be used for each remote terminal of network connection and carry out exchanges data, the audio-video signal data that each terminal collects often all directly are transferred to another remote terminal by switch, because data volume is bigger, the delay of transmission is long, make each terminal watch that the vision signal of other-end can not be synchronous, can not satisfy the requirement of each remote system real-time interactive.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, provide a kind of Real time Efficiency higher the system of remote interaction in many ways.
In order to reach above goal of the invention, the technical solution adopted in the present invention is:
A kind of remote interaction in many ways system comprises at least two terminals, is used for input audio signal and vision signal; Described each terminal is connected with a switch jointly, and described switch is connected with the Internet and carries out data interaction; Between described each terminal and described switch, also be in series with microprocessor unit, described microprocessor unit comprises signal synthon unit, compressed encoding subelement, wherein, described signal synthon unit is used for described audio signal, vision signal are synthesized one road audio-video signal, and described compressed encoding subelement is used for described audio-video signal is carried out compressed encoding; Described switch is used for the signal behind the described compressed encoding is sent by described the Internet.
Preferably, in described microprocessor, also comprise the buffer sublayer unit, described buffer sublayer unit is electrically connected with described signal synthon unit, compressed encoding subelement, and described buffer sublayer unit is used for buffer memory by the audio-video signal of described signal synthon unit to the compressed encoding subelement.
Preferably, described compressed encoding subelement specifically is used for carrying out compressed encoding according to the described audio-video signal of Kalman's algorithm,
Preferably, described each terminal also comprises: camera head is used for photographic images and produces picture signal; Graphics processing unit is for deblurring and the noise processed of described picture signal; Microphone is used for gathering the sound generating voice signal; Sound processing unit, the denoising and the impurity elimination ripple that are used for described voice signal are handled; Audio/video server is used for collection, storage, the live and program request of audio-video signal; Display is used for the decoding audio frequency and video with display image signals and the signal that plays sound; Described camera head gives image signal transmission at graphics processing unit, and described graphics processing unit is transferred to audio/video server again with the processed images signal; Described microphone is given sound processing unit with transmission of sound signals, and the voice signal that described sound processing unit will be handled is transferred to audio/video server again; Described display is connected on the described audio/video server, and described audio/video server and microprocessor unit carry out exchanges data.
Preferably, described microprocessor unit also is integrated with modulation subunit, demodulation subelement; Wherein, described modulation subunit is used for the audio-video signal of audio/video server input is carried out analog-to-digital conversion; The audio-video signal that the demodulation subelement is used for switch is received carries out digital-to-analogue conversion.
The present invention is before the switch of present remote terminal, add a microprocessor unit, the audio-video signal that other equipment are collected compresses the back and is being transferred to other remote terminals, this microprocessor unit adopts Kalman's algorithm that audio-video signal is carried out the high power compression and handles, reduce the data volume that exchanges mutually between each remote terminal, thereby improved real-time interactive efficient between a plurality of terminals.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper restriction of the present invention, in the accompanying drawings:
Fig. 1 is the structural representation of existing interaction systems;
Fig. 2 is structural representation of the present invention;
Fig. 3 flows to schematic diagram for structured flowchart and the signal of microprocessing unit of the present invention.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as a limitation of the invention.
As shown in Figure 2, the present invention includes remote terminal 1, remote terminal 2,,, remote terminal N.Be provided with microphone in described each terminal, be used for gathering the sound generating voice signal; Be provided with camera head in described each terminal, be used for photographic images and produce picture signal; Described each terminal is connected with a switch jointly, and described switch is connected with the internet and carries out data interaction; Also be in series with a microprocessor unit between described each terminal and described switch, described microprocessor unit is mainly used in the compressed encoding of audio-video signal; Described switch is used for the signal behind the described compressed encoding is sent by described the Internet.
As shown in Figure 3, described microprocessor unit comprises signal synthon unit, compressed encoding subelement, wherein, described signal synthon unit is used for described audio signal, vision signal are synthesized one road audio-video signal, described compressed encoding subelement is used for described audio-video signal is carried out compressed encoding, and described compressed encoding subelement specifically is used for carrying out compressed encoding according to the described audio-video signal of Kalman's algorithm.
As shown in Figure 3, in described microprocessor, also comprise the buffer sublayer unit, described buffer sublayer unit is electrically connected with described signal synthon unit, compressed encoding subelement, and described buffer sublayer unit is used for buffer memory by the audio-video signal of described signal synthon unit to the compressed encoding subelement.
As shown in Figure 3, also be integrated with modulation subunit, demodulation subelement, decoding subelement at described microprocessor unit; Wherein, described modulation subunit is used for the audio-video signal of audio/video server input is carried out analog-to-digital conversion; The audio-video signal that the demodulation subelement is used for switch is received carries out digital-to-analogue conversion; Described decoding subelement is used for the decoding of the audio/video information after the digital-to-analogue conversion of demodulation subelement, and difference output image signal and voice signal.
As shown in Figure 2, described each terminal also comprises: graphics processing unit, for deblurring and the noise processed of described picture signal; Sound processing unit, the denoising and the impurity elimination ripple that are used for described voice signal are handled; Audio/video server is used for collection, storage, the live and program request of audio-video signal; Display is used for the decoding audio frequency and video with display image signals and the signal that plays sound; Described camera head gives image signal transmission at graphics processing unit, and described graphics processing unit is transferred to audio/video server again with the processed images signal; Described microphone is given sound processing unit with transmission of sound signals, and the voice signal that described sound processing unit will be handled is transferred to audio/video server again; Described display is connected on the described audio/video server, and described audio/video server and microprocessor unit carry out exchanges data.
The present invention is before the switch of present remote terminal, add a microprocessor unit, the audio-video signal that other equipment are collected compresses the back and is being transferred to other remote terminals, this microprocessor unit adopts Kalman's algorithm that audio-video signal is carried out the high power compression and handles, reduce the data volume that exchanges mutually between each remote terminal, thereby improved real-time interactive efficient between a plurality of terminals.
More than technical scheme that the embodiment of the invention is provided be described in detail, used specific case herein principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. remote interaction system in many ways comprises:
At least two terminals are used for input audio signal and vision signal;
Described each terminal is connected with a switch jointly, and described switch is connected with the Internet and carries out data interaction;
It is characterized in that:
Between described each terminal and described switch, also be in series with microprocessor unit,
Described microprocessor unit comprises signal synthon unit, compressed encoding subelement, wherein,
Described signal synthon unit is used for described audio signal, vision signal are synthesized one road audio-video signal,
Described compressed encoding subelement is used for described audio-video signal is carried out compressed encoding;
Described switch is used for the signal behind the described compressed encoding is sent by described the Internet,
In described microprocessor, also comprise the buffer sublayer unit,
Described buffer sublayer unit is electrically connected with described signal synthon unit, compressed encoding subelement, and described buffer sublayer unit is used for buffer memory by the audio-video signal of described signal synthon unit to the compressed encoding subelement,
Described compressed encoding subelement specifically is used for carrying out compressed encoding according to the described audio-video signal of Kalman's algorithm.
2. remote interaction in many ways according to claim 1 system is characterized in that:
Described each terminal also comprises:
Camera head is used for photographic images and produces picture signal;
Graphics processing unit is for deblurring and the noise processed of described picture signal;
Microphone is used for gathering the sound generating voice signal;
Sound processing unit, the denoising and the impurity elimination ripple that are used for described voice signal are handled;
Audio/video server is used for collection, storage, the live and program request of audio-video signal;
Display is used for the decoding audio frequency and video with display image signals and the signal that plays sound;
Described camera head gives image signal transmission at graphics processing unit, and described graphics processing unit is transferred to audio/video server again with the processed images signal;
Described microphone is given sound processing unit with transmission of sound signals, and the voice signal that described sound processing unit will be handled is transferred to audio/video server again;
Described display is connected on the described audio/video server, and described audio/video server and microprocessor unit carry out exchanges data.
3. according to the described remote interaction in many ways of claim 2 system, it is characterized in that:
Described microprocessor unit also is integrated with modulation subunit, demodulation subelement; Wherein,
Described modulation subunit is used for the audio-video signal of audio/video server input is carried out analog-to-digital conversion;
The audio-video signal that the demodulation subelement is used for switch is received carries out digital-to-analogue conversion.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104363545B (en) * | 2014-10-17 | 2015-06-03 | 深圳市时尚德源文化传播有限公司 | Audio denoising circuit, smart terminal adopting same and teaching system |
| CN104333731A (en) * | 2014-11-19 | 2015-02-04 | 成都实景信息技术有限公司 | Enterprise video conference system |
| CN105872451A (en) * | 2016-04-14 | 2016-08-17 | 广州市昇博电子科技有限公司 | High-definition remote video conference communication method |
| CN110868620A (en) * | 2018-08-28 | 2020-03-06 | 陈旭 | Remote interaction system and method based on television |
| CN111918079A (en) * | 2020-07-30 | 2020-11-10 | 广州世祥教育科技有限公司 | Multi-mode live broadcast and automatic editing teaching system and method and electronic equipment |
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