CN201590871U - Digital video live broadcast transmission equipment based on 3G mobile network - Google Patents
Digital video live broadcast transmission equipment based on 3G mobile network Download PDFInfo
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- CN201590871U CN201590871U CN 200920224092 CN200920224092U CN201590871U CN 201590871 U CN201590871 U CN 201590871U CN 200920224092 CN200920224092 CN 200920224092 CN 200920224092 U CN200920224092 U CN 200920224092U CN 201590871 U CN201590871 U CN 201590871U
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Abstract
The utility model discloses digital video live broadcast transmission equipment based on 3G mobile network, which is provided with a video processing unit, a wireless communication unit and a video production room, wherein the video processing unit is used for coding and compressing real-time video signals; the wireless communication unit is combined through a plurality of 3G network access modules to expand up transmission bandwidth through multi-channel binding technology; and the video production room is connected with a television station through a mobile network and the Internet in any network coverage area. The wireless communication unit is connected with the video processing unit through a PCI-E interface, and the video processing unit is connected with a camera through an IEEE1394 interface. By adopting the digital video live broadcast transmission equipment, video signals output by the camera are coded, compressed, encrypted and packed through the video processing unit, and then are loaded to a plurality of parallel wireless channels for transmission; and the received data is recovered by the receiving end of the video production room through IP network, so that video live broadcast can be performed in the area with 3G wireless network covered. The utility model has the advantages of high maneuverability, no viewing distance limitation, and dynamically adjustable band width.
Description
Technical field
The utility model relates to digital video live transmission equipment technical field, is particularly useful for a kind of digital video live transmission equipment based on 3G network.
Background technology
Common digital video live transmission equipment normally adopts specific satellite transmission link or special microwave transmission link that the real-time digital video at scene is spread the video production chamber that is passed to TV station to carry out net cast.This mode need make up the satellite transmits or the microwave transmission passage of a special use inevitably between video presence and video production chamber, increased the cost of net cast so undoubtedly, satellite link or microwave link need predetermined in advance and rent simultaneously, and running into accident may also can not carry out net cast because of not subscribing to transmission link.Direct broadcasting satellite also needs special-purpose mobile control room to carry out live to the scene, satellite and microwave transmission also require the transmission of horizon range, blocking of building or barrier can not be arranged, just can carry out net cast, can not provide the application scenario of line-of-sight transmission may run into actual application problem such as being difficult to set up special-purpose live link for some.
Summary of the invention
For having overcome above-mentioned defective, address the above problem, the purpose of this utility model is to provide a kind of digital video live transmission equipment based on 3G network.Can carry out the live transmission equipment of real-time video by public 3G mobile network, can be by multiple standard (TD-SCDMA, WCDMA, CDMA2000) mobile network's multichannel combination, by channel bonding, expansion uplink bandwidth satisfies the required bandwidth of net cast transmission.
For achieving the above object, the utility model adopts following technical scheme:
Described digital video live transmission equipment based on 3G network, has video processing unit with the real time video signals encoding compression, through all 3G network access module combinations, constitute the radio communication unit of multi-channel binding technological expansion uplink bandwidth, in the zone that arbitrary network coverage is arranged, be connected to the video production chamber of TV station through mobile network, internet wireless; Described radio communication unit is connected with video processing unit by the PCI-E interface, and video processing unit is connected with video camera by the IEEE1394 interface; Flow chart of data processing is that audio, video data is through the SDRAM buffer memory of IEEE1394 interface by CPU, coding, the laggard line data of compression through CPU are encrypted, and the reorganization be packaged into the size identical packet send to data pool, CPU judges the quantity of data packets that is distributed to each transmit queue according to each channel performance that detects, in each transmit queue, irritate bag with the mode of round-robin then, send the data in the transmit queue to the 3G network access module by USB interface and send.
Described digital video live transmission equipment based on 3G network, radio communication unit comprises: usb circuit, USB power supply circuits, USB hot plug control circuit, 3G network access module circuit and power-switching circuit.
Described digital video live transmission equipment based on 3G network, video processing unit comprises: video coding CPU, it also links to each other with video coding cpu reset circuit, video coding cpu clock circuit, video coding CPU electronic hard disc, video coding CPU SDRAM, IEEE1394 interface circuit and the PCI-E interface circuit that is connected with radio communication unit, and the operating system that video processing unit uses is Embedded WinXP or Embeded Linux.
Described digital video live transmission equipment based on 3G network, the 3G network access module circuit, circuit comprises: TD-SCDMA access module circuit, WCDMA access module circuit, CDMA2000 access module circuit, TD-SCDMA-LTE access module circuit, WCDMA-LTE access module circuit, CDMA2000-LTE access module circuit.
Described digital video live transmission equipment based on 3G network, the 3G network access module of a plurality of different systems is connected with the corresponding mobile network by eating dishes without rice or wine, in radio communication unit inside by usb bus and CPU communication.
Described digital video live transmission equipment based on 3G network, radio communication unit has the 3G network access module circuit of 1 to 16 different systems of combination in any, and combination one is: the combination of 3 TD-SCDMA access module circuit, 2 WCDMA access module circuit and 1 CDMA2000 access module circuit; Combination two is: 1 TD-SCDMA access module circuit, 1 WCDMA-LTE access module circuit, the combination of 1 WCDMA access module circuit.
Described digital video live transmission equipment based on 3G network, the 3G network access module is replaced by the network access module that is not limited to 3G network, network access module is the 4G network access module that is used in the 4G network, or for being not limited to the 3G data card of surfing Internet of the USB interface that the third party provides, the hardware configuration of its equipment and application layer program are not done change.
Described digital video live transmission equipment based on 3G network, radio communication unit is by the combination binding transmission of 1 to 16 3G network access module circuit, the uplink bandwidth of expansion equipment access to mobile network.
Described digital video live transmission equipment based on the 3G mobile network, the power-switching circuit of radio communication unit is the internal or external powered battery of DC power supply or 17V, described powered battery is the portable battery equipment of carrying.
Described digital video live transmission equipment based on the 3G mobile network, wireless access effective bandwidth and propagation delay time with each 3G network access module circuit of dynamic detection, adjust the packet delivery speed of the transmit queue of corresponding 3G network access module in real time, realize the dynamic adjustment of mobile network's uplink bandwidth.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
A kind of digital video live transmission equipment based on 3G network, have radio communication unit, video processing unit, radio communication unit is connected with video processing unit by PCI-E (the serial pci bus of 2.5Gbps) interface, and video processing unit is connected with video camera by the IEEE1394 interface.With respect to live equipment of traditional satellite video and the live equipment of microwave video, the vision signal that the utility model utilizes 3G (3G (Third Generation) Moblie) network that video camera is exported is loaded into behind video processing unit coding, compression, encryption, package in a plurality of parallel wireless channels to be transmitted, and the receiving terminal of video production chamber recovers live video stream after by IP network the data that receive being unpacked reorganization, deciphering, decompression, decoding.Can carry out net cast in the place that has the 3G wireless network to cover after using this equipment.And equipment has the mobility height, and transfer of data is not limited by sighting distance, plurality of advantages such as Bandwidth Dynamic adjustment.
Compare the digital video live transmission equipment of common employing satellite transmits or microwave transmission, the utility model uses the public 3G mobile network of multiple standard, as long as the place (3G network can be any one standard or multiple standard) that has 3G network to cover, adopt multi-channel binding technological expansion uplink bandwidth, real-time video is transferred to the video production chamber of TV station by the 3G mobile network after by encoding compression.After adopting this equipment, carry out net cast and need not special-purpose satellite transmits or microwave transmission, and this kind device transmission real-time video program do not limit by sighting distance in addition, be not subjected to time restriction, take advantages such as transmission bandwidth is low.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is the structured flowchart based on the digital video live transmission equipment of 3G network.
Fig. 2 is the application schematic block diagram based on the digital video live transmission equipment of 3G network.
Fig. 3 is the theory diagram based on the digital video live transmission equipment of 3G network.
Fig. 4 is the flow chart of data processing figure based on the digital video live transmission equipment of 3G network.
Embodiment
Shown in Fig. 1,2,3,4: a kind of digital video live transmission equipment based on 3G network, has video processing unit with the real time video signals encoding compression, through all 3G network access module combinations, constitute the radio communication unit of multi-channel binding technological expansion uplink bandwidth, in the zone that arbitrary network coverage is arranged, be connected to the video production chamber of TV station through mobile network, internet wireless; This transmission equipment comprises radio communication unit and video processing unit, and radio communication unit is connected with video processing unit by the PCI-E interface, and video processing unit is connected with video camera by the IEEE1394 interface.The 3G network access module circuit of the various standards in the radio communication unit (TD-SCDMA access module circuit, WCDMA access module circuit, CDMA2000 access module etc.) is connected with public 3G mobile network.Equipment has the wireless access effective bandwidth and the propagation delay time of each 3G network access module circuit of dynamic detection, and the packet delivery speed of adjusting the transmit queue of corresponding 3G network access module in real time realizes the dynamic adjustment of mobile network's uplink bandwidth.
Radio communication unit comprises usb circuit, USB power supply circuits, USB hot plug control circuit and 3G network access module circuit; Video processing unit comprises video coding CPU, and it also links to each other with video coding cpu reset circuit, video coding cpu clock circuit, video coding CPU electronic hard disc, video coding CPU SDRAM, IEEE1394 interface circuit and the PCI-E interface circuit that is connected with radio communication unit.The acp chip of the USB switching part in the utility model is AU9254 and VT6212L, the PCI-E interface chip is PEX8111, CPU is the CPU of Intel Core2DUO U7600 and the compatible model of other x86, and CPU also can use the CPU of PowerPC series, as MPC8360, MPC8548 etc.SDRAM is the DIMM memory bar of general 533MHz, and capacity is 1GB, but is not limited to the memory bar of this speed and the type, also can use the internal memory particle to be welded on the video processing unit main circuit board.Electronic hard disc is 1.8 cun PATA16GB MLC of SSD solid state hard disc, but is not limited to this model.The operating system that video processing unit uses is Embedded WinXP or Embeded Linux.
The 3G network access module can be applied among the 3G mobile network, but is not limited to the application of 3G network, and the hardware configuration of equipment and application layer program are not done change, and the 3G network access module is replaced by the 4G network access module, can use in the 4G network; But be not limited to the 3G data card of surfing Internet of the USB interface that the third party provides.
As shown in Figure 3, the 3G network access module that the utility model uses, can be the USB interface 3G data card of surfing Internet that the third party provides, 3G wireless Internet card that provides as present each big operator and the 4G card of surfing Internet that provides later on, the card combination in any of 16 each big operators of position disposes.Radio communication unit is realized the combination in any of the 3G network access module circuit of 1 to 16 different systems, combination as 3 TD-SCDMA access module circuit, 2 WCDMA access module circuit and 1 CDMA2000 access module circuit, for another example, 1 TD-SCDMA access module circuit, 1 WCDMA-LTE access module circuit, the combination of 1 WCDMA access module circuit.And radio communication unit can be realized the combination binding transmission of 1 to 16 3G network access module circuit, the uplink bandwidth of expansion equipment access to mobile network.The power-switching circuit of radio communication unit is the internal or external powered battery of DC power supply or 17V, and described powered battery is the portable battery equipment of carrying.
During use, a kind of digital video live transmission equipment based on the 3G mobile network, by TD-SCDMA network, WCDMA network and CDMA2000 network, three network uplink link bundlings of composition, expanded transmission bandwidth, the realtime graphic of video camera has been sent to the receiving terminal of TV station.Fig. 2 is a kind of application example of equipment, is not limited to this example in the use, the 3G network of three kinds of standards, and the network of every kind of standard can insert a plurality of wireless channels simultaneously, the corresponding 3G network access module of each channel.Different systems 3G network access module is connected with the corresponding mobile network by eating dishes without rice or wine, in radio communication unit inside by usb bus and CPU communication.
Its course of work is as follows: the IEEE1394 interface circuit that realtime graphic is sent to video processing unit by video camera, through video coding CPU encoding compression, enter radio communication unit by the PCI-E interface circuit that is connected with radio communication unit, 1 to 16 TD-SCDMA network by combination in any in the radio communication unit, the 3G network access module circuit of WCDMA network and CDMA2000 network, be transferred to the TD-SCDMA network, three network uplink link bundlings that WCDMA network and CDMA2000 network are formed, expanded transmission bandwidth, the realtime graphic of video camera has been sent to the receiving terminal of TV station.The vision signal of promptly utilizing 3G 3G (Third Generation) Moblie network or 4G the 4th third-generation mobile communication that video camera is exported is loaded into behind video processing module coding, compression, encryption, package in a plurality of parallel wireless channels to be transmitted, and the receiving terminal of video production chamber recovers live video stream after by IP network the data that receive being unpacked reorganization, deciphering, decompression, decoding.Can carry out net cast in the place that has wireless network to cover after using this equipment.
The utility model also can be in the place that arbitrary network coverage is arranged, TD-SCDMA network, WCDMA network, CDMA2000 network, 4G network as 3G, adopt multi-channel binding technological expansion uplink bandwidth, real-time video is transferred to the video production chamber of TV station by the mobile network after by encoding compression.After adopting this equipment, carry out net cast and need not special-purpose satellite transmits or microwave transmission, and this kind device transmission real-time video program do not limit by sighting distance in addition, be not subjected to time restriction, take advantages such as transmission bandwidth is low.
As shown in Figure 4, be flow chart of data processing of the present utility model, the audio, video data of receiving from the IEEE1394 interface, SDRAM buffer memory by CPU, encrypt through the laggard line data of the encoding compression processing of CPU, the package of then data encrypted being recombinated is handled, the packet that data encapsulation one-tenth size is identical is also stamped the order label and is delivered in the transmission data pool, CPU determines to be distributed to the quantity of data packets of each transmit queue according to the performance of each channel that detects, irritate bag with the mode of round-robin in each transmit queue then, bottom layer driving sends the data in the transmit queue to the 3G network access module by USB interface and sends.The packet of receiving by the Internet at receiving terminal is recombinated by its order label and is unpacked, and deciphering decompresses, and recovers original audio/video flow.
Claims (10)
1. digital video live transmission equipment based on 3G network, it is characterized in that: have video processing unit the real time video signals encoding compression, through all 3G network access module combinations, constitute the radio communication unit of multi-channel binding technological expansion uplink bandwidth, in the zone that arbitrary network coverage is arranged, be connected to the video production chamber of TV station through mobile network, internet wireless; Described radio communication unit is connected with video processing unit by the PCI-E interface, and video processing unit is connected with video camera by the IEEE1394 interface; Flow chart of data processing is that audio, video data is through the SDRAM buffer memory of IEEE1394 interface by CPU, coding, the laggard line data of compression through CPU are encrypted, and the reorganization be packaged into the size identical packet send to data pool, CPU judges the quantity of data packets that is distributed to each transmit queue according to each channel performance that detects, in each transmit queue, irritate bag with the mode of round-robin then, send the data in the transmit queue to the 3G network access module by USB interface and send.
2. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: radio communication unit comprises: usb circuit, USB power supply circuits, USB hot plug control circuit, 3G network access module circuit and power-switching circuit.
3. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: video processing unit comprises: video coding CPU, it also links to each other with video coding cpu reset circuit, video coding cpu clock circuit, video coding CPU electronic hard disc, video coding CPU SDRAM, IEEE1394 interface circuit and the PCI-E interface circuit that is connected with radio communication unit, and the operating system that video processing unit uses is Embedded WinXP or Embeded Linux.
4. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: the 3G network access module circuit, circuit comprises: TD-SCDMA access module circuit, WCDMA access module circuit, CDMA2000 access module circuit, TD-SCDMA-LTE access module circuit, WCDMA-LTE access module circuit, CDMA2000-LTE access module circuit.
5. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: the 3G network access module of a plurality of different systems is connected with the corresponding mobile network by eating dishes without rice or wine, in radio communication unit inside by usb bus and CPU communication.
6. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: radio communication unit has the 3G network access module circuit of 1 to 16 different systems of combination in any, and combination one is: the combination of 3 TD-SCDMA access module circuit, 2 WCDMA access module circuit and 1 CDMA2000 access module circuit; Combination two is: 1 TD-SCDMA access module circuit, 1 WCDMA-LTE access module circuit, the combination of 1 WCDMA access module circuit.
7. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: the 3G network access module is replaced by the network access module that is not limited to 3G network, network access module is the 4G network access module that is used in the 4G network, or for being not limited to the 3G data card of surfing Internet of the USB interface that the third party provides, the hardware configuration of its equipment and application layer program are not done change.
8. the digital video live transmission equipment based on 3G network according to claim 1 is characterized in that: radio communication unit is by the combination binding transmission of 1 to 16 3G network access module circuit, the uplink bandwidth of expansion equipment access to mobile network.
9. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: the power-switching circuit of radio communication unit is the internal or external powered battery of DC power supply or 17V, and described powered battery is the portable battery equipment of carrying.
10. the digital video live transmission equipment based on 3G network according to claim 1, it is characterized in that: this transmission equipment has the wireless access effective bandwidth and the propagation delay time of each 3G network access module circuit of dynamic detection, adjust the packet delivery speed of the transmit queue of corresponding 3G network access module in real time, realize the dynamic adjustment of mobile network's uplink bandwidth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200920224092 CN201590871U (en) | 2009-10-14 | 2009-10-14 | Digital video live broadcast transmission equipment based on 3G mobile network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200920224092 CN201590871U (en) | 2009-10-14 | 2009-10-14 | Digital video live broadcast transmission equipment based on 3G mobile network |
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| CN201590871U true CN201590871U (en) | 2010-09-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102377948A (en) * | 2011-10-27 | 2012-03-14 | 洛阳普天通信科技有限公司 | Mobile network-based method and equipment for merging digital video transmission |
| CN102523435A (en) * | 2012-01-01 | 2012-06-27 | 洛阳普天通信科技有限公司 | Mobile high-definition video surveillance method and apparatus based on 3G network |
| CN104717695A (en) * | 2013-12-12 | 2015-06-17 | 上海精视信息技术有限责任公司 | Virtual network disk device based on embedded system technology and application of virtual network disk device |
| CN105392020A (en) * | 2015-11-19 | 2016-03-09 | 广州华多网络科技有限公司 | Internet video direct broadcasting method and system |
| CN114173144A (en) * | 2021-12-02 | 2022-03-11 | 北京优祥智恒科技有限公司 | Live broadcast equipment, control method thereof and live broadcast backpack |
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2009
- 2009-10-14 CN CN 200920224092 patent/CN201590871U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377948A (en) * | 2011-10-27 | 2012-03-14 | 洛阳普天通信科技有限公司 | Mobile network-based method and equipment for merging digital video transmission |
| CN102523435A (en) * | 2012-01-01 | 2012-06-27 | 洛阳普天通信科技有限公司 | Mobile high-definition video surveillance method and apparatus based on 3G network |
| CN104717695A (en) * | 2013-12-12 | 2015-06-17 | 上海精视信息技术有限责任公司 | Virtual network disk device based on embedded system technology and application of virtual network disk device |
| CN104717695B (en) * | 2013-12-12 | 2019-03-22 | 上海精视信息技术有限责任公司 | Virtual net disc apparatus and its application based on embedded system technology |
| CN105392020A (en) * | 2015-11-19 | 2016-03-09 | 广州华多网络科技有限公司 | Internet video direct broadcasting method and system |
| CN105392020B (en) * | 2015-11-19 | 2019-01-25 | 广州华多网络科技有限公司 | A kind of internet video live broadcasting method and system |
| CN114173144A (en) * | 2021-12-02 | 2022-03-11 | 北京优祥智恒科技有限公司 | Live broadcast equipment, control method thereof and live broadcast backpack |
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Granted publication date: 20100922 Termination date: 20131014 |