CN1353540A - Network TV set and transmission and receiving method for Internet television - Google Patents
Network TV set and transmission and receiving method for Internet television Download PDFInfo
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- CN1353540A CN1353540A CN 00132316 CN00132316A CN1353540A CN 1353540 A CN1353540 A CN 1353540A CN 00132316 CN00132316 CN 00132316 CN 00132316 A CN00132316 A CN 00132316A CN 1353540 A CN1353540 A CN 1353540A
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Abstract
A network TV set able to receive cable TV anglog programs and the digital programs in the MPEG1, MPEG2, or MPEG4 format transmitted over Internet, WAN or LAN is composed of analog signal receiver, network data transceiver, digital video decoder, reproducing unit, input interface, and remote controller. A method for transmitting and receiving digital TV programs over Internet is also disclosed.
Description
One, skill this area
The present invention relates to simulated television and digital television transfer and reception technique, computer internet (refers to the internet, wide area network, the local area network (LAN) general name, down with) especially based on the integrated application of technique of internet, it is characterized in that and to receive PAL by cable television network, NTSC, Sequential Color and Memory system formula TV programme, also can pass through built-in single-chip microcomputer (MicroController Unit, be MCU) or single board computer (MicroProcessor Unit, be MPU), digital signal processor (DSP) system receives the Internet and comprises MPEG1, MPEG2, format digital video data flow such as MPEG4, the network television receiver device of playing after decoding is a cable television network, communication, the important device of the internet integration of three networks.
The present invention relates to method by internet (INTERNET) transmission and receiving digital television program (transformats such as MPEG1, MEPG2, MEPG4).
Two, background technology
Become today of global standards computing platform, communication platform in the internet, the television set that has a maximum customer group still is designed non-networked devices and is excluded in outside the internet, to the further maturation of internet development, TV tech, is a great obstacle.General television set is as a complete integral body, in computer network (Internet, local area network (LAN), wide area network), can't discern, though by set-top box and external control devices such as computer is connected, can the display network data, but itself is not the network equipment as a product; Microcomputer also can pass through peripheral control unit, display of television programmes, but itself also can't received television program as a complete product.
Digital Television will replace simulated television future, but receive PAL, NTSC, Sequential Color and Memory system formula analog signal TV programme by cable television network, still account for absolute dominant position, and the fully digitalization performance difficulty is heavy.With the computer technology is the internet develop rapidly of core, technology such as xDSL, CABLE MODEM have made the domestic consumer obtain the above transmission bandwidth of megabits per second, possess by the Internet transmission digital TV conditional, key is the television receiver of exploitation based on technique of internet, this problem to be solved by this invention just.
Three, disclosure of the Invention
The present invention proposes in order to address the above problem, technical characterictic is to receive PAL, NTSC, Sequential Color and Memory system formula TV programme by cable television network, also can receive the Internet and comprise format digital video data flow such as MPEG1, MPEG2, MPEG4, the network television receiver device of broadcast through decoding after by built-in single-chip microprocessor MCU or single board computer MPU, digital signal processor (DSP) system.Can follow the custom of human 70 years use TVs watches cable television program simply like a cork and watches digital television program by the internet by the present invention's " Web TV ".
1, Web TV and cable television network, the common new simulated television of forming in internet, digital television program transmission and receiving system structural map are shown in accompanying drawing (1).
Digital television system of the present invention is by video playback server on Internet, WAN, LAN and the network, and Web TV and other video equipment are formed.Digital video programs generally is compressed into MPEG1, MPEG2, MPEG4 form, is stored in CD or the hard disc of computer, send by video playback server on internet, wide area network, the local area network (LAN), or direct live play.Digital Television is play with low cost by the Internet (internet, wide area network, local area network (LAN)), be easy to again realize, for example can adopt the stream server Windows Media Servic Server of Microsoft displaying video programs.
2, Web TV tectonic network television set is mainly by analog catv signal receiver module A, network data transceiver B, digital video decoder module C, playback equipment D, input interface E, remote controller F.Specifically all make as shown in Figure 2:
(1), wired analog signal TV-set receiving module A, mainly form by tuner (21), intermediate-frequency channel (22), mould/number (A/D) transform processor (231,232,233), digitized audio frequency processor (241), video digitizer processor (242), scan digitizing processor (243), D/A (D/A) transform processor (251,252,253) and microprocessor (26) etc.
(2), network data transceiver B module, mainly by single-chip microprocessor MCU or single board computer MPU and the common Single Chip Microcomputer (SCM) system of forming of peripheral circuit (program, data memory, and other functional parts) (27), real-time embedded network operating system and specific function handling procedure.
(3), digital video decoder module C, form by MPEG1 decoder (281), MPEG2 decoder (282), the set of MPEG4 decoder decoders such as (283).
(4), playback component D, comprise amplifying circuit (291,292,293), display (211) (CRT or other kinds) and loud speaker (210) etc.
(5), two input interface E: cable television program receiving interface (12), the Internet digital television program receive and computernetworking equipment interface (13).
(6) remote controller F: the user carries out the cable television program selection and the internet digital television program is selected, the device of input program Control Parameter.
3, Web TV know-why
(1), analog signal TV receiver parts AD
Web TV machine shown in Figure 2 is characterized in that receiving PAL, NTSC, Sequential Color and Memory system formula analog signal TV programme with TV-set receiving module A and the complete analog signal TV receiver parts AD of the common composition of playback component D by cable TV.Analog signal TV receiver parts AD amplifies through hf channel, intermediate frequency from the analog signal that cable TV receives, and then, delivers to video detection and obtains analog signal.Again through the A/D conversion, become digital signal, send in the digital processing unit, carry out that digital noise reduction, digital contour correction, numeral go ghost image, line frequency to double, blink-off is handled, go picture-in-picture processing etc., send at last in the D/A converter, become analog signal and show for picture tube.
(2), internet Digital Television receiving-member BC
Web TV machine shown in Figure 2 is characterized in that network data transceiver B and digital video decoder module C form " internet Digital Television receiving-member BC ".Network data transceiver B can use single-chip microcomputer (MicroController Unit, be MCU) or embedded microprocessor (MicroProcessorUnit, be MPU), the single board computer that constitutes of digital signal processor (DSP) realizes, and configuration embedded real-time network operating system, with various specific function handling procedures, these programs generally are solidificated in the read-only memory.Network data transceiver B makes the Web TV machine become a terminal equipment of internet.Network data transceiver B to the Internet Server request and receive data, receive and process user input data, has important function by the specific function handling procedure in the Web TV machine.When signal source by the Internet during with MPEG1, MPEG2, MPEG4 form transmitting digital TV bitstream, no matter any transfer encoding is added in the centre, the reduction of network data transceiver B total energy and output MPEG1, MPEG2, MPEG4 formatted data flow to digital television decoder set C, play after decoding, this is the basic skills that realizes that Digital Television DTV receives and plays by the internet.
Decoding is play after network data transceiver B receives, reduction and output MPEG1, MPEG2, MPEG4 formatted data stream, enters digital television decoder set C, thereby realizes that Digital Television plays.This moment, network data transceiver B simplified Digital Television reception work, made digital video decoder directly obtain transport format data streams such as MPEG1, MPEG2, MPEG4, and decoding is after the picture tube broadcast.
4, a technic relization scheme provided by the present invention is as follows:
Network data transceiver B adopts the EPROM of single-chip microcomputer MC68360 four-way communication protocol controller, real-time embedded network operating system Hopen OS, 16M to make memory under program.
MC68360 four-way communication protocol controller (QUad Integrated CommunicationController-QUICC) is the general controls chip that is widely used that MOTOROLA company produces, the peripheral assembly commonly used in inner integrated microprocessor and some control fields.Its application in the communications field has significant superiority.MC68360 has seven serial-ports: four SCC, a dual serial Management Controller (SMC) and a serial peripheral interface circuit (SPI).
Hopen OS is a real-time network operating system according to the requirement design of embedded system.Form by very little micro-kernel of volume and the system module that some can customize as required.Why be called micro-kernel and be because its only realizes the most basic several operations that must be finished by operating system kernel, as Inter-Process Communication, thread scheduling interrupts inlet, memory management, system clock and power management.The Hopen core is generally size about 10KB, even if add the module that other is necessary, shared space is also very little.TCP/IP is a protocol hierarchy model of being made up of four levels, is respectively application layer, transport layer (TCP), network layer (IP) and data link layer from top to bottom.ICP/IP protocol has comprised one group of agreement on transport layer (TCP), network layer (IP) and the data link layer, is called as ICP/IP protocol bunch.Hopen OS real-time network operating system has realized application programming interface (Socket interface), the Transmission Control Protocol of transport layer and udp protocol, the IP agreement of network layer and the IFACE interface and the ppp protocol of data link layer, built-in WWW browser and mail transmission/reception program.Hopen OS architecture is as shown in Figure 3: JAVA program 31, file manager 32, Program Manager 33, WWW browser 34, E-mail receiver/send device 35, other application program 36, JAVA virtual machine 37, application programming interfaces (API) 38, HOPENNET 39, file system 310, graph window system 311, pen input identification 312, HOPEN kernel thread scheduling/message management/memory management/signal management/system's relevant portion/interruption controls/memory-mapped/system clock/power management 313, character device driver interface 314, pattern equipment driving program interface 315, character device and network hardware equipment program 316, display device driver 317, keyboard device driver 318, pointing device driver 319, CPU Internal Management System clock/power management component 320, RS232 network red place far away line equipment 321, display device/keyboard/mouse/touch-screen (pen input device) 322.
Web TV machine shown in Figure 2, the network data transceiver B of internet Digital Television receiving-member BC has very important technical meaning at the present technique implementation: at first, it make Web TV shown in Figure 2 become a kind of can be by the internet apparatus of the real-time handler that solidifies among EPROM control, dynamic IP addressing can be obtained, or static ip address can be applied for behind the configuration network adapter; Send data transfer request, add multicast group; Receive the transmission data; Directly output institute's receiving video data stream (as MPEG1, MEPG2, MEPG4 etc.) is play to decoder processes; Utilize the real-time handler that solidifies to receive and play broadcasting (broadcast), multicast (multicast), clean culture (unicast) network TV program.After configure ADSL is connected to the Internet by telephone wire, optical fiber, can obtain 384Kbit/ second to the 10M/ bandwidth of second.Utilize the international standard of MPEG-1, data transfer rate is compressed to 2.048Mbit/S speed, its picture quality is better than the quality of family expenses video tape recorder VHS; Press the main standard in the Moving Picture Experts Group-2, data transfer rate is compressed to 8.448Mbit/S, can reach the quality of existing television stadio by its picture quality; Press the advanced standard of MPEG-2, data transfer rate is compressed to about 20Mbit/S: press the international standard of MPEG-4, data transfer rate is compressed to above speed 256Kbit/ second, can obtain preferable audio visual effect.Watch that digital television program has great practical value so connect the Internet by modes such as telephone wire, optical fiber configure ADSLs.
5, principle (1) is selected and received to cable TV and internet digital television program, cable television program is selected and reception
Because the anolog TV signals receiving function components A C of the present embodiment is identical with present partial digitized digital color television set, thereby adopt color TV remote controller F functional part to carry out channel selection and reception with conventional func.(2), the internet digital television program is selected and is received
(a), TV remote controller F adds a function that switches to internet digital television program mode NetDTV, and can import ascii character in the user data frame of " the NetDTV program is selected control program " graphical interfaces of Web TV NetDTV mode by TV remote controller F; Under the NetDTV mode, TV remote controller F also has the remote control mouse function, is used for carrying out program graphical interfaces Lay list and selects.
(b), the internet digital television program (is called for short down: control program guide) by " the NetDTV program is selected control program " of solidifying in Eprom, when the user switched to internet digital television program mode NetDTV by TV remote controller F, acquiescence started this primary control program " program guide "." program guide " has two kinds of forms: first kind is that the televise parameter of the video flowing that server broadcasts of fixed network is stored in the data memory in advance, directly utilizes the remote control mouse function of TV remote controller F to click on " program guide " and gets final product; Second kind is the video flowing on not storing the Internet of relevant parameter in advance, need the user to utilize TV remote controller F input relevant parameter, activate " the NetDTV program is selected control program " one " video data request and receive subprogram " and finish the reception of internet video data flow, network data transceiver B receives that this video flowing play-overs through respective decoder (MPEG1, MPEG2, MPEG4) decoding.
For example there is multicast (multicast) video flowing of playing with D class address on the internet, router on the Web TV the Internet subnet of living in allows the receiving group program, putting before this, the user imports multicast D class address by TV remote controller F on " program guide " program interface, can activate " video data request and reception subprogram ", Web TV can add this multicast group, and network data transceiver receives and exports this video flowing, plays after decoding.When the router of Web TV place network allowed to receive broadcasting (broadcast) data, input information source server IP (or domain name) and video file name can activate " video data request and reception subprogram " and receive.
Another kind of internet digital television program system of selection is: (suppose that this Web TV is to utilize ADSL or CABLE MODEM all-weather to connect to surf the Internet) when the user switches to internet digital television program mode NetDTV by TV remote controller F, can login to a public the Internet TV programme website, can provide program more directly perceived, simple to select, be mouse a bit, get final product receiving video program.
The present invention not only provides a kind of method by Internet transmission and receiving digital television program, the basic device " Web TV " of receiving internet digital television program also is provided, along with popularizing and the raising of bandwidth of technique of internet, " Web TV " will become the most important terminal equipment in internet.
Claims (8)
1, a kind of Web TV machine that can receive format digital TV programme such as cable TV analog television program, the Internet (internet, wide area network, local area network (LAN)) transmission MPEG1, MPEG2, MPEG4, the technical characterictic of this device is:
Web TV mainly is made up of analog catv signal receiver module A, network data transceiver B, digital video decoder module C, playback equipment D, input interface E, remote controller F, wherein A, B, C, D, E all in same container, specifically all make as follows:
(1), wired analog signal TV-set receiving module A, mainly form by tuner (21), intermediate-frequency channel (22), mould/number (A/D) transform processor (231,232,233), digitized audio frequency processor (241), video digitizer processor (242), scan digitizing processor (243), D/A (D/A) transform processor (251,252,253) and microprocessor (26) etc.
(2), network data transceiver B module, mainly by single-chip microprocessor MCU or single board computer MPU and the common Single Chip Microcomputer (SCM) system of forming of peripheral circuit (program, data memory, and other functional parts) (27), real-time embedded network operating system and specific function handling procedure.
(3), digital video decoder module C, form by MPEG1 decoder (281), MPEG2 decoder (282), the set of MPEG4 decoder decoders such as (283).
(4), playback component D, comprise amplifying circuit (291,292,293), display (211) (CRT or other kinds) and loud speaker (210) etc.
(5), two input interface E: cable television program receiving interface (212), the Internet digital television program receive and computernetworking equipment interface (213).
(6) remote controller F: the user carries out the cable television program selection and the internet digital television program is selected, the device of input program Control Parameter.
2, as the Web TV machine in as described in the claim 1, it is characterized in that network data transceiver B and digital video decoder module C form " internet Digital Television receiving-member BC ", realize that Digital Television is by the function of Internet transmission with " the internet Digital Television receiving-member BC " reception that utilizes the present invention to comprise.
3, as the Web TV machine in as described in the claim 2, it is characterized in that network data receiver module B can use single-chip microcomputer (MicroController Unit, be MCU) or embedded microprocessor (MicroProcessor Unit, be MPU), the single board computer that constitutes of digital signal processor (DSP) realizes, and configuration embedded real-time network operating system and various specific function handling procedure, these programs generally are solidificated in the read-only memory.Network data transceiver B makes the Web TV machine become a terminal equipment of internet.Network data transceiver B to the Internet Server request and receive data, receive and process user input data, has important function at the Web TV machine by the specific function handling procedure.When signal source by the Internet during with MPEG1, MPEG2, MPEG4 form transmitting digital TV bitstream, no matter any transfer encoding is added in the centre, the reduction of mixed-media network modules mixed-media B total energy and output MPEG1, MPEG2, MPEG4 formatted data flow to digital television decoder set C, play after decoding, this is the basic skills that realizes that Digital Television DTV receives and plays by the internet.
4, as the Web TV machine in as described in the claim 2, it is characterized in that the selection of internet digital television program NetDTV and receive (being called for short down: control program guide) by " the internet digital television program is selected control program " of solidifying in Eprom, when the user switched to internet digital television program mode NetDTV by TV remote controller F, acquiescence started this primary control program " program guide ".
5, as the Web TV machine in as described in the claim 4, it is characterized in that " program guide " has two kinds of forms: first kind is by the fixed network video flowing that server broadcasts of televising, its parameter is to be stored in advance in the data memory, directly utilizing the remote control mouse function of TV remote controller F to click on " program guide " gets final product, second kind is the video flowing on not storing the Internet of relevant parameter in advance, need the user to utilize TV remote controller F input relevant parameter, one " video data request and reception subprogram " activating " the NetDTV program is selected control program " finishes the reception of internet video data flow, and network data transceiver B receives that this video flowing is through respective decoder (MPEG1, MPEG2, MPEG4) decoding is play-overed.
6, as the Web TV machine in as described in the claim 5, the Web TV receiving system can utilize wideband equipment for surfing the net such as ADSL, cable MODEM etc. to receive the digital television program of forms such as MPEG1, MPEG2, MPEG4 by internet, wide area network, or is linked to be local area network (LAN) receiving digital television program by network adapter.
7, as the Web TV machine in as described in the claim 2, it is characterized in that " internet Digital Television receiving-member BC " is the basic element of character of realizing that Digital Television receives and plays by the internet, these parts can make up, the internet that passes through of deriving receives and plays digital TV products all within the scope of this claim, and other modification of these parts manifests those skilled in the art very much, here, the applicant draws attention to, carrying out in the process of the application or any other application that therefrom obtains, can illustrate new claim to this class feature and/or property combination.
8, a kind of method by internet (INTERNET) transmission and receiving digital television program (transformats such as MPEG1, MEPG2, MEPG4), it is characterized in that: (1), digital television program signal source are the computer video stream export servers on the Internet nodes, directly send out clean culture, multicast, the broadcast data stream of transformats such as MPEG1, MEPG2, MEPG4.(2), receive by claim 2 described " internet Digital Television receiving-member BC ", then through audio frequency, video, scan digitizing processor, D/A (D/A) transform processor and playback component D broadcast.(3), has TV programme selection mode as " the internet digital television program is selected control program " as described in the claim 4,5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00132316 CN1353540A (en) | 2000-11-03 | 2000-11-03 | Network TV set and transmission and receiving method for Internet television |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 00132316 CN1353540A (en) | 2000-11-03 | 2000-11-03 | Network TV set and transmission and receiving method for Internet television |
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| CN1353540A true CN1353540A (en) | 2002-06-12 |
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| CN 00132316 Pending CN1353540A (en) | 2000-11-03 | 2000-11-03 | Network TV set and transmission and receiving method for Internet television |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100461854C (en) * | 2006-01-05 | 2009-02-11 | 中兴通讯股份有限公司 | IPTV service channelization method |
| CN1829171B (en) * | 2005-03-03 | 2010-06-09 | 阿尔卡特公司 | Traffic dimensioning in a metro area with IPTV architecture |
| CN102356642A (en) * | 2009-03-16 | 2012-02-15 | 韩国放送公社 | Device and method for hierarchical broadcasting |
| CN104038841A (en) * | 2014-05-27 | 2014-09-10 | 四川长虹电器股份有限公司 | Special network terminating method of smart television system |
| US10951940B2 (en) | 2007-09-26 | 2021-03-16 | Maxell, Ltd. | Portable terminal, information processing apparatus, content display system and content display method |
| CN112637527A (en) * | 2020-12-11 | 2021-04-09 | 杭州海康威视数字技术股份有限公司 | LED television control system, multimedia television and cascade system |
| CN116383091A (en) * | 2023-05-29 | 2023-07-04 | 珠海妙存科技有限公司 | Starting method and starting device of eMMC verification platform and storage medium |
-
2000
- 2000-11-03 CN CN 00132316 patent/CN1353540A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829171B (en) * | 2005-03-03 | 2010-06-09 | 阿尔卡特公司 | Traffic dimensioning in a metro area with IPTV architecture |
| CN100461854C (en) * | 2006-01-05 | 2009-02-11 | 中兴通讯股份有限公司 | IPTV service channelization method |
| US10951940B2 (en) | 2007-09-26 | 2021-03-16 | Maxell, Ltd. | Portable terminal, information processing apparatus, content display system and content display method |
| US11477508B2 (en) | 2007-09-26 | 2022-10-18 | Maxell, Ltd. | Portable terminal, information processing apparatus, content display system and content display method |
| CN102356642A (en) * | 2009-03-16 | 2012-02-15 | 韩国放送公社 | Device and method for hierarchical broadcasting |
| CN102356642B (en) * | 2009-03-16 | 2014-10-08 | 韩国放送公社 | Device and method for hierarchical broadcasting |
| CN104038841A (en) * | 2014-05-27 | 2014-09-10 | 四川长虹电器股份有限公司 | Special network terminating method of smart television system |
| CN112637527A (en) * | 2020-12-11 | 2021-04-09 | 杭州海康威视数字技术股份有限公司 | LED television control system, multimedia television and cascade system |
| CN112637527B (en) * | 2020-12-11 | 2022-05-06 | 杭州海康威视数字技术股份有限公司 | LED television control system, multimedia television and cascade system |
| CN116383091A (en) * | 2023-05-29 | 2023-07-04 | 珠海妙存科技有限公司 | Starting method and starting device of eMMC verification platform and storage medium |
| CN116383091B (en) * | 2023-05-29 | 2023-08-29 | 珠海妙存科技有限公司 | Starting method and starting device of eMMC verification platform and storage medium |
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