CN103780953A - Multimedia signal transmission method and system - Google Patents
Multimedia signal transmission method and system Download PDFInfo
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- CN103780953A CN103780953A CN201410061103.9A CN201410061103A CN103780953A CN 103780953 A CN103780953 A CN 103780953A CN 201410061103 A CN201410061103 A CN 201410061103A CN 103780953 A CN103780953 A CN 103780953A
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Abstract
The invention belongs to the technical field of information, and provides a multimedia signal transmission method and system. The method comprises the steps that a signal distribution and control device receives a signal source request sent by a multimedia terminal; according to the signal source request, the signal distribution and control device receives an HDBaseT signal, corresponding to the signal source, sent by a signal source conversion control device; the signal distribution and control device transmits the HDBaseT signal corresponding to the signal source to the multimedia terminal which sends the signal source. According to the multimedia signal transmission method and system, due to the fact that the signal distribution and control device distributes and transmits the HDBaseT signal corresponding to the signal source to the multimedia terminal, the share efficiency of the signal source for a plurality of multimedia terminals is improved, and non-delay non-compression long-distance transmission of video signals is achieved.
Description
Technical field
The invention belongs to areas of information technology, relate in particular to a kind of multi-media signal transmission method and system.
Background technology
Along with the progress of social development and science and technology, people's living standard significantly improves, and there is more than one multimedia terminal equipment in many families, if any multiple TV set and multiple computers.Meanwhile, Set Top Box, satellite television box and DVD(Digital Versatile Disc be also equipped with, digital versatile disc) multiple signal source equipments such as equipment.
Suppose that in one family two resources that television set all wants to enjoy same DVD in parlor and bedroom have following two kinds of modes.Mode one: need to use this DVD equipment during in parlor, this DVD equipment is taken to parlor; Need to use this DVD equipment during in bedroom, this DVD equipment is taken to bedroom.Mode two: this DVD equipment is placed on to fixed position, re-use distributor by information distribution to two television sets in parlor and bedroom.Mode one should use more inconvenient; In mode two, user can only carry out remote control in the position at DVD equipment place.
In addition, along with the increase of the quantity of multimedia terminal equipment and signal source equipment, bring complicated connecting line to family.For example, if a signal source equipment need to be shared in two multimedia terminals, also need between equipment, elongate line.
In sum, existing signal source for the sharing efficiency of multiple multimedia terminals low and limited transmission distance.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of multi-media signal transmission method, is intended to solve the problem of existing signal source and limited transmission distance low for the sharing efficiency of multiple multimedia terminals.
The embodiment of the present invention is achieved in that a kind of multi-media signal transmission method, comprising:
Signal distribution receives with control appliance the signal source request that send multimedia terminal;
Described signal distribution according to described signal source request, receives HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent with control appliance;
Described signal distribution transfers to HDBaseT signal corresponding described signal source with control appliance the described multimedia terminal that sends described signal source request.
Another object of the embodiment of the present invention is to provide a kind of multi-media signal transmission system, comprising:
Signal source request receiving module, receives for signal distribution and control appliance the signal source request that send multimedia terminal;
Signal source signal receiving module, for the distribution of described signal with control appliance according to described signal source request, receive HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent;
HDBaseT signal transmission module, transfers to HDBaseT signal corresponding described signal source with control appliance for described signal distribution the described multimedia terminal that sends described signal source request.
The embodiment of the present invention is distributed HDBaseT signal corresponding to signal source of sending with control appliance reception signal source conversion and control equipment by signal, and distribution transfers to the multimedia terminal of transmitted signal source request, improved thus the sharing efficiency of signal source for multiple multimedia terminals, and realized vision signal without postponing, without compression, long Distance Transmission.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the multimedia signal transmission device that provides of the embodiment of the present invention;
Fig. 2 is the realization flow figure of the multi-media signal transmission method that provides of the embodiment of the present invention;
Fig. 3 is the realization flow figure of the multi-media signal transmission method that provides of another embodiment of the present invention;
Fig. 4 is the specific implementation flow chart of the multi-media signal transmission method step S201 that provides of the embodiment of the present invention;
Fig. 5 is the system block diagram of the multi-media signal transmission system that provides of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention is distributed HDBaseT signal corresponding to signal source of sending with control appliance reception signal source conversion and control equipment by signal, and distribution transfers to the multimedia terminal of transmitted signal source request, improved thus the sharing efficiency of signal source for multiple multimedia terminals, and realized vision signal without postponing, without compression, long Distance Transmission.
Multimedia in the embodiment of the present invention includes but not limited to image, Voice & Video.Signal source in the embodiment of the present invention includes but not limited to HDMI(High Definition Multimedia Interface, HDMI (High Definition Multimedia Interface)) signal, component signal, RS232 signal, usb signal.
It should be noted that, HDBaseT redesigns a new interface unlike HDMI, but adopts 8P8C(RJ45) joint, crystal head or Ethernet joint, that is to say, the transmission medium of HDBaseT has adopted the handy netting twine of people.
Fig. 1 shows the structured flowchart of the multimedia signal transmission device that the embodiment of the present invention provides, and with reference to Fig. 1, this device comprises: at least one signal source 11, signal source conversion and control equipment 12, signal distribution and control appliance 13, at least one multimedia terminal 14.The embodiment of the present invention connects at least one signal source 11 by signal source conversion and control equipment 12, signal distribution and control appliance 13 receive the signal source signal that signal source conversion and control equipment 12 sends and are converted to HDBaseT signal corresponding to signal source, and transfer to the multimedia terminal 14 of transmitted signal source request.
Fig. 2 shows the realization flow figure of the multi-media signal transmission method that the embodiment of the present invention provides, and details are as follows:
In step S201, signal distribution receives with control appliance the signal source request that send multimedia terminal.
Here, signal source request is converted to HDBaseT signal corresponding to signal source request by multimedia terminal, so that HDBaseT signal corresponding to signal source request is transferred to signal distribution and control appliance by transmission cable.
In step S202, described signal distribution according to described signal source request, receives HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent with control appliance.
As one embodiment of the present of invention, signal distribution is unified HDBaseT signal corresponding to receiving management signal source with control appliance.When signal distribution and control appliance receive after HDBaseT signal corresponding to the signal source request of sending multimedia terminal, carry out signal source request confirmation with multimedia terminal, after having confirmed, send HDBaseT signal corresponding to the signal source of this multimedia terminal request to this multimedia terminal.
As an alternative embodiment of the invention, after signal distribution receives HDBaseT signal corresponding to signal source request with control appliance, HDBaseT signal corresponding signal source request is transmitted to signal source conversion and control equipment, signal source signal corresponding to this signal source request returned in signal source conversion and control facility request signal source, signal source conversion and control equipment receives after signal source signal, signal source signal is converted to HDBaseT signal corresponding to signal source, and is transferred to signal distribution and control appliance.
In step S203, described signal distribution transfers to HDBaseT signal corresponding described signal source with control appliance the described multimedia terminal that sends described signal source request.
Multimedia terminal receives after HDBaseT signal corresponding to signal source, HDBaseT signal corresponding signal source is converted to LVDS(Low Voltage Differential Signaling, Low Voltage Differential Signal), and LVDS is input to the liquid crystal panel of multimedia terminal and plays.
Fig. 3 shows the realization flow figure of the multi-media signal transmission method that another embodiment of the present invention provides, and details are as follows:
Further, described method also comprises:
In step S204, power-supply device PSE is converted to the alternating current of input the direct current that meets HDBaseT agreement, and imports the direct current of the described HDBaseT of meeting agreement into described signal distribution and control appliance;
In step S205, described signal distribution is coupled to the direct current of the described HDBaseT of meeting agreement on transmission cable with control appliance, and the HDBaseT signal corresponding with described signal source transfers to the described multimedia terminal that sends described signal source request together.
In embodiments of the present invention, the alternating current of input is converted to the direct current based on HDBaseT by PSE, and wherein, the direct current based on HDBaseT meets POH(Power Over HDBaseT) transmission standard.
Generally, in the time that multimedia terminal is in running order, PSE is distributed with control appliance and is provided 24V direct current supply to multimedia terminal by signal.By POH technology, having broken through in signal transmission can not be charged or with the too small limitation of electrical power, output power maximum can reach 100 watts, has realized the power supply to signal distribution and control appliance and multiple multimedia terminals.
It should be noted that, the embodiment of the present invention is supported in single link and supports to that is to say multithread, can transmit multichannel HDMI signal, usb signal or RS232 signal etc. simultaneously, makes user freely select according to demand and switch.If transmission bandwidth is supported 10Gbps, can distribute 8Gbps to be used for the transmission of audio frequency and video data stream, residue 2Gbps is used for transmitting Ethernet, RS232 and communications protocol control signal etc., allocated bandwidth is not construed as limiting at this.
Because PSE and transmission cable have replaced the original power supply port in multimedia terminal and supply lines, and on transmission cable, support multithread, therefore, greatly reduce the original various input/output ports in multimedia terminal, made multimedia terminal can do more frivolously.
As one embodiment of the present of invention, the data of transmitting in transmission cable are carried out to package processing, data stream packets comprises first code, data and three parts of check code.For example, when HDBaseT signal corresponding to signal source arrives behind multimedia terminal, dissection process is carried out to HDBaseT signal corresponding to signal source in multimedia terminal first, after having resolved, the HDBaseT signal corresponding to signal source carries out identifying processing, judge the signal type of HDBaseT signal corresponding to this signal source, then according to verification scheme, HDBaseT signal corresponding to signal source carried out to verification, data correctly enter normal flow chart of data processing; If data check mistake, carries out the correcting process of data, revise successful data and proceed to normal flow chart of data processing, revise and unsuccessfully abandon this bag data, enter the parsing of next bag data, so guarantee that data are correct and flow into corresponding handling process.
Fig. 4 shows the specific implementation flow chart of the multi-media signal transmission method step S201 that the embodiment of the present invention provides, as follows:
Further, the signal source request that described in step S201, send signal distribution and control appliance reception multimedia terminal comprises:
In step S401, described multimedia terminal receives signal source request remote signal, described signal source request remote signal is converted to HDBaseT signal corresponding to signal source request, and HDBaseT signal corresponding described signal source request is sent to described signal distribution and control appliance;
In step S402, described signal distribution and control appliance record the address of described multimedia terminal, to return to HDBaseT signal corresponding to described signal source according to the address of described multimedia terminal to described multimedia terminal.
Here, multimedia terminal receives the signal source request remote signal that user sends by remote controller, signal source request remote signal is converted to HDBaseT signal corresponding to signal source request by multimedia terminal, so that HDBaseT signal corresponding to signal source request is transferred to signal distribution and control appliance by transmission cable.After signal distribution receives HDBaseT signal corresponding to signal source request with control appliance, HDBaseT signal corresponding signal source request is reduced, thereby confirm to send the multimedia terminal of signal source request and the signal source of this multimedia terminal request.
As one embodiment of the present of invention, each multimedia terminal communicates with a port of control appliance by transmission cable and signal distribution.After signal distribution receives HDBaseT signal corresponding to signal source request with control appliance, record receives the port of HDBaseT signal corresponding to this signal source request, and this port is corresponding to the address of the multimedia terminal of HDBaseT signal corresponding to transmitted signal source request.
As an alternative embodiment of the invention, when multimedia terminal is distributed with control appliance at transmitted signal source request to signal, in this signal source request, add the port address of this multimedia terminal, the for example port address of multimedia terminal D1 is ADDR1, the port address of multimedia terminal D2 is ADDR2, and the port address of multimedia terminal D3 is ADDR3.After signal distribution receives HDBaseT signal corresponding to signal source request with control appliance, record sends the port address of the multimedia terminal of HDBaseT signal corresponding to this signal source request, and the port address of this multimedia terminal is corresponding to the address of the multimedia terminal of HDBaseT signal corresponding to transmitted signal source request.
After signal distribution receives HDBaseT signal corresponding to signal source with control appliance, request confirmation in transmitted signal source is to the multimedia terminal of HDBaseT signal corresponding to transmitted signal source request.If receive the confirmation that this multimedia terminal sends, HDBaseT signal corresponding to transmitted signal source is to this multimedia terminal.
Further, described signal source conversion and control equipment connection signal source described at least one.
In actual applications, generally all signal source equipments are placed in to adjacent position, for example, all signal source equipments are all placed in study, or all signal source equipments are all placed in parlor, in this no limit.All signal source equipments are placed in to adjacent position here, so that the unified management of signal source, and can make the wiring of video conversion and terminal electric power system more neat.
Further, described method also comprises:
Power supply requirement Real-time Feedback is given described signal distribution and control appliance by described multimedia terminal, so that the distribution of described signal is transmitted to described PSE with control appliance in real time by the power supply requirement of described multimedia terminal;
Described PSE, according to the power supply requirement of described multimedia terminal, controls the power output of power supply in real time.
PSE carries out management and the control of power supply according to multimedia terminal and signal distribution with the actual electricity consumption situation of control appliance, thereby under the prerequisite of power supply that guarantees signal distribution and control appliance and multimedia terminal, saves as much as possible electric energy.
As one embodiment of the present of invention, distribute after HDBaseT signal corresponding to the signal source sent with control appliance receiving signal multimedia terminal, and with the PSE confirmation of shaking hands of powering, after shaking hands successfully, multimedia terminal obtains power supply.
As an alternative embodiment of the invention, distribute with control appliance in real time to PSE feedback power supply requirement, so that PSE adjusts the power of output port in real time according to the electricity consumption situation of multimedia terminal and signal distribution and control appliance by signal multimedia terminal.When the power demand of the distribution of multimedia terminal and signal and control appliance is large, PSE provides high-power output; The power demand hour of multimedia terminal and signal distribution and control appliance, selectivity closed portion output port, switches output and selects, and realizes an output port and powers to two or more multimedia terminal.
In the time of the standby of multimedia terminal, because need for electricity is little, therefore provide no longer separately multimedia terminal that an output port is this standby to provide power supply to supply with, and the multimedia terminal that to make by other ports be this standby provide standby power to supply with.When all multimedia terminals are during all in holding state, retain the output port that the multimedia terminal of last standby connects and supply with for all multimedia terminals provide standby power.For example, multimedia terminal comprises D1, D2 and D3, when D1, D2 and D3 are during in normal operating conditions, and the corresponding output port P1 of D1, the corresponding output port P2 of D2, the corresponding output port P3 of D3.Now, D1 transfers holding state to from normal operating conditions, closes output port P1, is supplied with for D1 provides standby power by output port P2.Then, D2 transfers holding state to from normal operating conditions, closes output port P2, is supplied with for D1 and D2 provide standby power by output port P3.Then, D3 transfers holding state to from normal operating conditions, is supplied with for D1, D2 and D3 provide standby power by output port P3.
Further, described method also comprises:
When the distribution of described signal and control appliance receive HDBaseT signal corresponding to described signal source that described signal source conversion and control equipment sends, record the identification code of this signal source, and in the time sending HDBaseT signal corresponding to described signal source to described multimedia terminal, send the identification code of described signal source simultaneously.
Preferably, transmission cable comprises following any one: CAT5E or CAT6.HDBaseT adopts common CAT5E or CAT6 transmission cable, with respect to expensive HDMI cable, greatly reduces the cost of transmission cable.In addition, the length of the transmission cable that HDBaseT adopts can reach 100 meters, has greatly improved the transmission range of signal source.
The embodiment of the present invention is distributed HDBaseT signal corresponding to signal source of sending with control appliance reception signal source conversion and control equipment by signal, and distribution transfers to the multimedia terminal of transmitted signal source request, improved thus the sharing efficiency of signal source for multiple multimedia terminals, and realized vision signal without postponing, without compression, long Distance Transmission.
Fig. 5 shows the system block diagram of the multi-media signal transmission system that another embodiment of the present invention provides, this system is for the multi-media signal transmission method described in service chart 2 to 4, and this system comprises signal distribution and control appliance 13 in Fig. 1, for convenience of explanation, only show the part relevant to the present embodiment.
With reference to Fig. 5, this system comprises:
Signal source request receiving module 51, signal distribution receives with control appliance the signal source request that send multimedia terminal.
Signal source signal receiving module 52, described signal distribution according to described signal source request, receives HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent with control appliance.
HDBaseT signal transmission module 53, described signal distribution transfers to HDBaseT signal corresponding described signal source with control appliance the described multimedia terminal that sends described signal source request.
Further, described signal source request receiving module 51 comprises:
Signal source request receiving submodule, described multimedia terminal receives signal source request remote signal, described signal source request remote signal is converted to HDBaseT signal corresponding to signal source request, and HDBaseT signal corresponding described signal source request is sent to described signal distribution and control appliance.
Address, multimedia terminal record sub module, described signal distribution and control appliance record the address of described multimedia terminal, to return to HDBaseT signal corresponding to described signal source according to the address of described multimedia terminal to described multimedia terminal.
Further, described signal source conversion and control equipment connection signal source described at least one.
Further, described system also comprises PSE output power module, and described PSE output power module comprises:
Power supply requirement receives submodule in real time, and power supply requirement Real-time Feedback is given described signal distribution and control appliance by described multimedia terminal, so that the distribution of described signal is transmitted to described PSE with control appliance in real time by the power supply requirement of described multimedia terminal.
PSE output power submodule, described PSE, according to the power supply requirement of described multimedia terminal, controls the power output of power supply in real time.
Further, described system also comprises:
Signal source identification code records sending module, when described signal source conversion and control equipment receives signal source signal corresponding to described signal source request, record the identification code of this signal source, and in the time sending signal source signal corresponding to described signal source request to described signal discharge device, send the identification code of described signal source simultaneously.
The embodiment of the present invention is distributed HDBaseT signal corresponding to signal source of sending with control appliance reception signal source conversion and control equipment by signal, and distribution transfers to the multimedia terminal of transmitted signal source request, improved thus the sharing efficiency of signal source for multiple multimedia terminals, and realized vision signal without postponing, without compression, long Distance Transmission.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a multi-media signal transmission method, is characterized in that, comprising:
Signal distribution receives with control appliance the signal source request that send multimedia terminal;
Described signal distribution according to described signal source request, receives HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent with control appliance;
Described signal distribution transfers to HDBaseT signal corresponding described signal source with control appliance the described multimedia terminal that sends described signal source request.
2. the method for claim 1, is characterized in that, described method also comprises:
Power-supply device PSE is converted to the alternating current of input the direct current that meets HDBaseT agreement, and imports the direct current of the described HDBaseT of meeting agreement into described signal distribution and control appliance;
Described signal distribution is coupled to the direct current of the described HDBaseT of meeting agreement on transmission cable with control appliance, and the HDBaseT signal corresponding with described signal source transfers to the described multimedia terminal that sends described signal source request together.
3. the method for claim 1, is characterized in that, described signal distribution receives the signal source request of sending multimedia terminal with control appliance and comprises:
Described multimedia terminal receives signal source request remote signal, described signal source request remote signal is converted to HDBaseT signal corresponding to signal source request, and HDBaseT signal corresponding described signal source request is sent to described signal distribution and control appliance;
Described signal distribution and control appliance record the address of described multimedia terminal, to return to HDBaseT signal corresponding to described signal source according to the address of described multimedia terminal to described multimedia terminal.
4. the method for claim 1, is characterized in that, described signal source conversion and control equipment connection signal source described at least one.
5. method as claimed in claim 2, is characterized in that, described method also comprises:
Power supply requirement Real-time Feedback is given described signal distribution and control appliance by described multimedia terminal, so that the distribution of described signal is transmitted to described PSE with control appliance in real time by the power supply requirement of described multimedia terminal;
Described PSE, according to the power supply requirement of described multimedia terminal, controls the power output of power supply in real time.
6. the method for claim 1, is characterized in that, described method also comprises:
When the distribution of described signal and control appliance receive HDBaseT signal corresponding to described signal source that described signal source conversion and control equipment sends, record the identification code of this signal source, and in the time sending HDBaseT signal corresponding to described signal source to described multimedia terminal, send the identification code of described signal source simultaneously.
7. a multi-media signal transmission system, is characterized in that, described signal source request receiving module comprises:
Signal source request receiving module, receives for signal distribution and control appliance the signal source request that send multimedia terminal;
Signal source signal receiving module, for the distribution of described signal with control appliance according to described signal source request, receive HDBaseT signal corresponding to described signal source that signal source conversion and control equipment is sent;
HDBaseT signal transmission module, transfers to HDBaseT signal corresponding described signal source with control appliance for described signal distribution the described multimedia terminal that sends described signal source request.
8. system as claimed in claim 7, is characterized in that, described system also comprises power supply converting transmission module, and described power supply converting transmission module is used for:
Power-supply device PSE is converted to the alternating current of input the direct current that meets HDBaseT agreement, and imports the direct current of the described HDBaseT of meeting agreement into described signal distribution and control appliance;
Described signal distribution is coupled to the direct current of the described HDBaseT of meeting agreement on transmission cable with control appliance, and the HDBaseT signal corresponding with described signal source transfers to the described multimedia terminal that sends described signal source request together.
9. system as claimed in claim 7, is characterized in that, described signal source request receiving module comprises:
Signal source request receiving submodule, receive signal source request remote signal for described multimedia terminal, described signal source request remote signal is converted to HDBaseT signal corresponding to signal source request, and HDBaseT signal corresponding described signal source request is sent to described signal distribution and control appliance;
Address, multimedia terminal record sub module, distributes the address of recording described multimedia terminal with control appliance for described signal, to return to HDBaseT signal corresponding to described signal source according to the address of described multimedia terminal to described multimedia terminal.
10. system as claimed in claim 7, is characterized in that, described signal source conversion and control equipment connection signal source described at least one.
11. systems as claimed in claim 8, is characterized in that, described system also comprises PSE output power module, and described PSE output power module comprises:
Power supply requirement receives submodule in real time, gives described signal distribution and control appliance for described multimedia terminal by power supply requirement Real-time Feedback, so that the distribution of described signal is transmitted to described PSE with control appliance in real time by the power supply requirement of described multimedia terminal;
PSE output power submodule, according to the power supply requirement of described multimedia terminal, controls the power output of power supply for described PSE in real time.
12. systems as claimed in claim 7, is characterized in that, described system also comprises:
Signal source identification code records sending module, while receiving signal source signal corresponding to described signal source request for described signal source conversion and control equipment, record the identification code of this signal source, and in the time sending signal source signal corresponding to described signal source request to described signal discharge device, send the identification code of described signal source simultaneously.
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| CN104125434A (en) * | 2014-07-31 | 2014-10-29 | 深圳锐取信息技术股份有限公司 | Long-distance high-definition transmission system |
| CN105657314A (en) * | 2015-12-25 | 2016-06-08 | 广州视睿电子科技有限公司 | Signal transmission system and method for class plate |
| CN105812907A (en) * | 2016-03-24 | 2016-07-27 | 福州瑞芯微电子股份有限公司 | Online multimedia program stream sharing method and device |
| WO2017117954A1 (en) * | 2016-01-06 | 2017-07-13 | 京东方科技集团股份有限公司 | High definition video sending and receiving apparatus and device and high definition video transmission system |
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| US20120147904A1 (en) * | 2005-06-27 | 2012-06-14 | Nobuaki Kabuto | Video signal transmission device, video signal transmission and receiving system, and video processing system, that transmit/receive over a clock line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104125434A (en) * | 2014-07-31 | 2014-10-29 | 深圳锐取信息技术股份有限公司 | Long-distance high-definition transmission system |
| CN105657314A (en) * | 2015-12-25 | 2016-06-08 | 广州视睿电子科技有限公司 | Signal transmission system and method for class plate |
| CN105657314B (en) * | 2015-12-25 | 2019-02-01 | 广州视睿电子科技有限公司 | Class's board signal transmission system and method |
| WO2017117954A1 (en) * | 2016-01-06 | 2017-07-13 | 京东方科技集团股份有限公司 | High definition video sending and receiving apparatus and device and high definition video transmission system |
| CN105812907A (en) * | 2016-03-24 | 2016-07-27 | 福州瑞芯微电子股份有限公司 | Online multimedia program stream sharing method and device |
| CN105812907B (en) * | 2016-03-24 | 2019-02-01 | 福州瑞芯微电子股份有限公司 | A kind of online multimedia program stream sharing method and device |
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Application publication date: 20140507 |