CN201174743Y - Portable network television receiving apparatus - Google Patents
Portable network television receiving apparatus Download PDFInfo
- Publication number
- CN201174743Y CN201174743Y CNU2008200917330U CN200820091733U CN201174743Y CN 201174743 Y CN201174743 Y CN 201174743Y CN U2008200917330 U CNU2008200917330 U CN U2008200917330U CN 200820091733 U CN200820091733 U CN 200820091733U CN 201174743 Y CN201174743 Y CN 201174743Y
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- video
- radiovisor
- portable network
- audio
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Abstract
The utility model provides a portable web television receiving device, comprising an interface unit (10) used for receiving a program signal, a multimedia processor (20) used for processing a video signal and an audio signal, a video signal output interface (40) used for outputting the video signal, a display screen (50) used for playing the video signal, an audio output interface (60) used for outputting the audio signal, a loudspeaker (70) used for playing the audio signal, and a point-to-point stream decoding unit (30) connected between the interface unit (10) and the multimedia processor (20). Compared with the prior art, the portable web television receiving device provides a terminal device which has low cost and plays the video and audio programs transmitted through point-to-point and has good portability. Meanwhile, the portable web television receiving device has certain function of browsing web pages and downloads as well as stores the video and audio programs.
Description
Technical field
The utility model relates to a kind of radiovisor, relates in particular to a kind of portable network radiovisor.
Background technology
The load mode of point-to-point (P2P) only takies user's bandwidth, do not take user's hard disk, and can only be used for net cast stream, can not duplicate, transmit, revise the file of user computer, so can user's hard disk not worked the mischief, also can not threaten user's safety.Can save a large amount of user resources like this.PPLive and BT have adopted the mode of P2P to transmit data, but BT meeting active bandwidth-hogging, PPLive then only can utilize limited bandwidth, and when for example code check was 380kbps, the bandwidth that takies also had only a little higher than 380k.So PPLive is a most popular shareware that is used for extensive net cast on the Internet at present.This PPLive software uses network model, efficiently solve the bandwidth and the load finiteness problem of current network video-on-demand service, and it is smooth more to realize that the user plays more at most.
Preceding common wireless network standards is based on IEEE 802.11x series, and this is standards such as the wireless universal local area network standard that the international Institute of Electrical and Electric Engineers of IEEE is formulated, existing at present IEEE 802.11b, 802.11a, 802.11g.Wherein, the 802.11b network is the present general user specification of normal use, can be in the scope of 100 meters of outdoor 300 meters or indoor office environments, with the speed wireless Internet access Data transmission of per second 11MB.802.11g provide under the high speed of 54Mbps, adopted the 2.4GHz frequency range identical, thereby solved the compatibility issue after the upgrading with 802.11b.802.11g has inherited the advantage of 802.11b wide coverage simultaneously, and its price is relatively low.
Although can adopt the mode of computer to watch the program of point-to-point transmission now, the cost of computer is higher, how to realize that the point-to-point program of watching at lower cost is a problem.
The utility model content
The technical problems to be solved in the utility model is how a kind of terminal equipment of playing the audio/video program of point-to-point transmission cheaply is provided.
In order to solve the problems of the technologies described above, the utility model has designed a kind of portable network radiovisor, comprise: be used for the program receiving signal interface unit, be used for processing audio and vision signal multimedia processor, be used for outputting video signal video signal output interface, be used for the display screen of broadcast video signal, and be used for output audio signal the audio signal output interface, be used for the loud speaker of playing audio signal; Also comprise:
Be connected in the point-to-point stream decoding unit between interface unit and the multimedia processor.
By technique scheme, the utility model can be realized with lower cost, does not promptly need to use a complete personal computer system, just can realize the broadcast to the point-to-point transmission program.
As point-to-point stream decoding unit of the present utility model execution mode more specifically, described point-to-point stream decoding unit comprises: point-to-point protocol stack, communication protocol stack, the operation of Lian Jieing is IP stack, physical layer Ethernet stack and hardware layer successively.The communications protocol that described communication protocol stack is stored comprises, Transmission Control Protocol, udp protocol and Stream Control Transmission Protocol.
Described multimedia processing unit comprises:
Be used to decode also the video decode module and the video demonstration accelerating module of output video wire size that connect successively;
The also audio decoder module of output audio signal is used to decode.
Described multimedia processing unit also further comprises:
Be used for judging the digital rights management module and store the picture recording module that memory device go that be used for audio/video program of user to the program rights of using.
Described display screen adopts 3.5 cun or 7 cun LCDs.The playback equipment of planting size like this will have good portability.
Described interface unit comprises, successively the RJ45 interface circuit and the network interface circuit of Lian Jieing.
Described interface unit comprises, successively 2.4G antenna of Lian Jieing and WLAN module.By wireless network access device, the utility model will have stronger mobile working performance, further promote portability.
Described portable network radiovisor also comprises: with the interconnective mobile memory interface of described multimedia processing unit;
Described multimedia processing unit also comprises: be used for the picture recording module that memory device goes that stores into audio/video program;
Described multimedia processor and point-to-point stream decoding unit are encapsulated in the same Single Chip Microcomputer (SCM) system.Adopt this technical scheme, cost of the present utility model will further reduce, and have the function of storage program recording.
Advantage compared with prior art of the present utility model is, a kind of terminal equipment of playing the audio/video program of point-to-point transmission cheaply is provided, and this equipment has good portable performance.Owing to access network, can have certain web page browsing function simultaneously, and can download and store audio/video program by local storage hard disk or external memory device.
Description of drawings
Fig. 1 is the structural representation of the utility model portable network radiovisor;
Fig. 2 is the structural representation of the point-to-point stream decoding unit of the utility model.
Embodiment
Below in conjunction with accompanying drawing execution mode of the present utility model is described further.
As shown in Figure 1, the portable network radiovisor comprises successively interface unit 10, the point-to-point stream decoding unit 30 that connects and is used to drive the multimedia processing unit 20 of loud speaker 70 and display screen 50.Multimedia processing unit 20 and point-to-point stream decoding unit 30 are encapsulated in the Single Chip Microcomputer (SCM) system of same ARM9 or above version.Have the embedded DSP that can carry out coding and decoding video, DVB-H characteristic in the MCU of huge quantity now, can accomplish minimizing of cost and system integration difficulty,, and can save system development costs, maintenance cost, minimizing system power consumption with optimization.The single-chip microcomputer of ARM9 or above version the community that increases income have a considerable amount of free, the high-quality code library of increasing income is available, because quality height, easy to use early just becomes platform first-selected in the embedded development personnel mind several years ago.Interface unit 10 comprises two kinds of access waies respectively: RJ45 interface circuit 11 of Lian Jieing and network interface circuit 13 has a RJ45 network interface access way successively, with the wireless WLAN access way of 2.4G antenna 12 that is connected successively and WLAN module 14.
Wherein, multimedia processing unit 20 comprises, be used to handle successively that being used to of connecting decodes and the video decode module 21 and the video of output video wire size show accelerating module 22, be used to decode and the audio decoder module 23 of output audio signal, be used to judge the digital rights management module 24 of user, and be used for the picture recording module that memory device goes that stores into audio/video program to the program rights of using.Memory device can be local hard drive or pass through the mobile storage that mobile memory interface 18 is connected with multimedia processing unit 20.
Described video shows that accelerating module 22 outputting video signals drive display screen 50 display video images that adopt 3.5 cun or 7 cun LCDs, and can output to audio and video output interface 29.Video content generally adopts MPEG4, H264 etc. to use the frame coding, and with PES, TS mode encapsulation of data, video compression format, these modes all have the compression efficiency height, possess audio frequency and video synchronizing capacity once more, and frame-skipping or the recoverable ability of frame losing, relatively be adapted at transmission over networks.Described audio decoder module 23 output audio signal branches are clipped to loud speaker 70 and audio and video output interface 29.
Digital rights management module 2 can be supported the function of Digital Right Management (DRM) copyright protection, allows respectively at paying and the unpaid expense family is distinguished and it is set can be watched content.By DRM mechanism, can provide more than the content information of other domestic consumer and the video quality program of Geng Gao in preferential mode for the paying customer.
As shown in Figure 2, described point-to-point stream decoding unit 30 comprises: the point-to-point protocol stack 31 of Lian Jieing, communication protocol stack 32, operation are IP stack 33, physical layer Ethernet stack 34 and hardware layer 35 successively.The communications protocol that described communication protocol stack 32 is stored comprises, Transmission Control Protocol, udp protocol and Stream Control Transmission Protocol.This point-to-point stream decoding unit 30 has used the framework of the standard of current Internet, with any one on server program request the user terminal of particular video frequency, it is portable Web TV receiving system, as staging server, be used for providing it to obtain in advance to other user, and other uses the video packets of data that does not obtain, and it also asks for video content information as client to the client that other has obtained video packets in advance.
Claims (9)
1, a kind of portable network radiovisor, comprise: be used for the program receiving signal interface unit (10), be used for processing audio and vision signal multimedia processor (20), be used for outputting video signal video signal output interface (40), be used for the display screen (50) of broadcast video signal, and be used for output audio signal audio signal output interface (60), be used for the loud speaker (70) of playing audio signal, it is characterized in that, also comprise:
Be connected in the point-to-point stream decoding unit (30) between interface unit (10) and the multimedia processor (20).
2, portable network radiovisor according to claim 1, it is characterized in that described point-to-point stream decoding unit (30) comprising: the point-to-point protocol stack (31) of Lian Jieing, communication protocol stack (32), operation are IP stack (33), physical layer Ethernet stack (34) and hardware layer (35) successively.
3, portable network radiovisor according to claim 2 is characterized in that, the communications protocol that described communication protocol stack (32) is stored comprises, Transmission Control Protocol, udp protocol and Stream Control Transmission Protocol.
According to the described portable network radiovisor of arbitrary claim in the claim 1 to 3, it is characterized in that 4, described multimedia processing unit (20) comprising:
Be used to decode also the video decode module (21) and the video demonstration accelerating module (22) of output video wire size that connect successively;
The also audio decoder module (23) of output audio signal is used to decode.
5, portable network radiovisor according to claim 4 is characterized in that, described multimedia processing unit (20) also further comprises:
Be used to judge the digital rights management module (24) of user to the program rights of using.
According to the described portable network radiovisor of arbitrary claim in the claim 1 to 4, it is characterized in that 6, described display screen (50) adopts 3.5 cun or 7 cun LCDs.
According to the described portable network radiovisor of arbitrary claim in the claim 1 to 4, it is characterized in that 7, described interface unit (10) comprises, successively RJ45 interface circuit (11) of Lian Jieing and network interface circuit (13).
According to the described portable network radiovisor of arbitrary claim in the claim 1 to 4, it is characterized in that 8, described interface unit (10) comprises, successively 2.4G antenna (12) of Lian Jieing and WLAN module (14).
9, according to the described portable network radiovisor of arbitrary claim in the claim 1 to 4, it is characterized in that, also comprise: with the interconnective mobile memory interface of described multimedia processing unit (20) (18);
Described multimedia processing unit (20) also comprises: be used for the picture recording module (25) that memory device goes that stores into audio/video program;
Described multimedia processor (20) and point-to-point stream decoding unit (30) are encapsulated in the same Single Chip Microcomputer (SCM) system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917330U CN201174743Y (en) | 2008-01-14 | 2008-01-14 | Portable network television receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917330U CN201174743Y (en) | 2008-01-14 | 2008-01-14 | Portable network television receiving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174743Y true CN201174743Y (en) | 2008-12-31 |
Family
ID=40201873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200917330U Expired - Fee Related CN201174743Y (en) | 2008-01-14 | 2008-01-14 | Portable network television receiving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174743Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122427A (en) * | 2010-01-05 | 2011-07-13 | 巴比禄股份有限公司 | Portable recording/reproducing apparatus |
| CN101800865B (en) * | 2009-02-06 | 2012-08-08 | 株式会社日立制作所 | Audio and video receiver |
| US8570358B2 (en) | 2009-11-06 | 2013-10-29 | Sony Corporation | Automated wireless three-dimensional (3D) video conferencing via a tunerless television device |
-
2008
- 2008-01-14 CN CNU2008200917330U patent/CN201174743Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800865B (en) * | 2009-02-06 | 2012-08-08 | 株式会社日立制作所 | Audio and video receiver |
| US8570358B2 (en) | 2009-11-06 | 2013-10-29 | Sony Corporation | Automated wireless three-dimensional (3D) video conferencing via a tunerless television device |
| CN102122427A (en) * | 2010-01-05 | 2011-07-13 | 巴比禄股份有限公司 | Portable recording/reproducing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20150114 |
|
| EXPY | Termination of patent right or utility model |