CN1681303A - Broadcasting data video/reproducing device with network interface and driving method thereof - Google Patents
Broadcasting data video/reproducing device with network interface and driving method thereof Download PDFInfo
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- CN1681303A CN1681303A CN 200410021232 CN200410021232A CN1681303A CN 1681303 A CN1681303 A CN 1681303A CN 200410021232 CN200410021232 CN 200410021232 CN 200410021232 A CN200410021232 A CN 200410021232A CN 1681303 A CN1681303 A CN 1681303A
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Abstract
With the method, the inner storage devices, many hard- drive recording and displaying device that store and share broadcasting programs, are set. In more details, the invention is a method that network is used by multi recording and displaying devices to store and share the programs saved in each hard drive of video recorder with network port.
Description
Technical field
The present invention will be referred to a kind of shared method of broadcast program, and this method is being provided with internal storage device, promptly in the video recording/transcriber of hard disk and at least more than one the video recording/transcriber, can share the broadcast program that is kept in the internal storage device.In more detail, will be referred to the broadcast data video recording/transcriber and the driving method thereof with network interface of the broadcast program that a plurality of video recording/transcribers utilize network to share to be kept in each personal video recorder hard disk.
Background technology
TV is a kind of electronic product that brings influence to a lot of people's life.Especially TV can receive and satisfy (for example amusement, education, information etc.) audio frequency and video frequency program (for example TV programme) that people pay close attention to.TV programme is at the appointed time play to people by various medium (for example radio wave, cable, satellite-signal).But the televiewer is because self schedule, can't often see and oneself want the program seen.Therefore, oneself want the program seen in order to see in time period easily, it is important that the necessity of video recording becomes further.
Just because of this, can arise at the historic moment for the device of recording TV program as video cassette recorder (VHS) and so on.But this series products has a lot of weak points.For example, the general every Bound Tape of the video time of video cassette recorder is built in about 1.5 to 6 hours.Because the video time that limits can't all be recorded a series of programs in the scheduled time get off.In addition, what some record-reproduce heads were preserved is analog signal, and it plays image quality is not fine.
Summary of the invention
The objective of the invention is to solve existing problem in the above-mentioned conventional art, a kind of the broadcast data video recording/transcriber and driving method thereof with network interface that can go to overcome the hard-disk capacity restriction is provided.
The objective of the invention is to be achieved through the following technical solutions, it comprises memory (being firmware), storage device (being hard disk drive) and network interface (being local area network (LAN)), it is characterized in that it also is provided with carries out tuningly to the broadcast singal that receives from the on-air radio electric wave, and convert thereof into the tuner of the signal that can be handled;
Be provided with and convert digital signal to from the broadcast singal that tuner sends, and then go to the Digital Signal Processing portion of compressed image;
Be provided with the network interface that broadcast data video recording/transcriber can be connected with external network;
Advantage of the present invention is to deposit a large amount of video informations in storage device in, so the audiovisual people can watch when an opportunity arises at oneself.But, because the finite capacity of above-mentioned storage device, can be so will use in the present invention from the network interface of other local download (when watching or in real time) video information.By such download, the audiovisual people is in the video program of watching storage device to preserve, or by will can be not restricted on the video program of TV network broadcasting in real time.
If this device is personal video recorder (Personal Video Recorder: to call " PVR " in the following text), so such advantage will be more useful.Personal video recorder is the TV tuner with at least more than one, the device that perhaps is attached thereto.Allow PVR in its storage device, should deposit at least by a video program that TV tuner received.
If the user thinks to watch afterwards video program, can record video directory by PVR so.This recording can real-time by the user (being during TV programme is play) be carried out, and also (TV programme is play preceding) carries out in advance.But because the finite capacity of storage device, it is impossible going to record all video programs that the user sets by PVR.In addition, the user may produce and want the desire of watching before playing after broadcasting video program.The PVR of example of the present invention in order to download video program from other device (being other PVR), can use network interface.And, by this example, the user can after watch and want the video program seen.
Description of drawings
Fig. 1 is the specific embodiment block diagram of broadcast data video recording/transcriber of the present invention.
Fig. 2 is the specific embodiment block diagram with all personal video recorder systems of video recording/transcriber more than.
Fig. 3 is in the personal video recorder system of networking, makes up the flow chart of server database process.
Fig. 4 is in the personal video recorder system of networking, and the process of operating as main frame with a video recording/transcriber is the flow chart that example describes.
Fig. 5 is in the personal video recorder system of networking, and the process of operating as secondary machine with a video recording/transcriber is the flow chart that example describes.
The symbol description ※ of ※ accompanying drawing major part
100: tuner
110: Digital Signal Processing portion
120: hard disk
130: network interface
The 150:D/A transducer
160: display
200: server
210,220: database
230：PVR
240: storage device
Embodiment
Example of the present invention will be referred to record simultaneously the broadcast program PVR of different broadcasting office.These PVR will use the highest hard disk of preserving 30 hours programs.The example of PVR will include central processing unit (CPU) and/or video signal preprocessor.Above-mentioned CPU and/or video signal preprocessor will be television broadcasting (that is digital broadcast data projects of ATSC standard, that receives; EH is the analog broadcasting data programs of TSC-system formula) convert digital signal to.Then, above-mentioned digital signal is kept at storage device (being hard disk).The broadcast data project that is kept at above-mentioned hard disk can display unit (being video screen) afterwards go up broadcast.The Core Feature of PVR is a program recording, and plays recorded program.
By example of the present invention, the user can record more than one broadcast TV program simultaneously.Afterwards, the user selects one and watches in recorded program.But the hard-disk capacity that is installed on the PVR is limited.Therefore, the TV programme that can be kept on the hard disk also is limited.The method that addresses this is that is that the user deletes the program of preserving and comes expansion space from hard disk.Such deletion can be by manually or automatically carrying out.But such solution will exist may delete also the do not have enough time shortcoming of the program that the program seen or also want later sees of user.
Below, specify the structure and the operating process thereof of video recording/transcriber of the present invention with reference to appended drawings.
The structure and the operating process thereof of video recording/transcriber of the present invention at first, are described with reference to Fig. 1.Fig. 1 is a structure chart of representing video recording/transcriber of the present invention for example.With reference to Fig. 1 as can be known, video recording/transcriber of the present invention is provided with tuning (100), Digital Signal Processing portion (110), hard disk (120), network interface (130), D/A converter (150), display (160).Hard disk (120) is a storage device.Network interface portion (130) can make video recording/transcriber be connected to external network.D/A converter (150) converts digital broadcast signal to analog signal.
Tuning (100) will receive the broadcast data that is transmitted by radio network by antenna, the de-tuned then TV signal that receives from the on-air radio electric wave, convert thereof into the baseband signal that can be handled, after being sent to then with the narration Digital Signal Processing portion (110).At this moment, (ATSC advanced television standard committee standard) digital broadcast data will be received and carried out tuning by tuner 1 (102); The broadcast data of (the NTSC American National television system committee) standard is then received by tuner 2 (104) and carries out tuning.
Digital Signal Processing portion (110) is made up of video memory (112), CUP (114), video signal preprocessor (116) and data storage interface portion (118).This Digital Signal Processing portion (110) will receive by tuner and carry out tuning broadcast singal, and convert digital signal to by CPU (114) and video signal preprocessor (116), and then remove compressed image.The broadcast singal that is converted is deposited into storage device by data memory interface portion (118), promptly in the hard disk.From tuning broadcast program that receives or be kept at hard disk (120), convert to after the analog signal by D/A converter (150), play by display (160), so the general user can watch.
In addition, video recording/transcriber also is provided with network interface portion (130) in this example, so can be connected with external network.Wherein, network can be an Internet, local area network (LAN) etc.Above-mentioned network interface portion (130) also can use modulator-demodulator, industrial siding or (LAN local area network (LAN)) etc.Owing to have additional network interface portion (130), can make video recording/transcriber carry out the exchange and the communication of relevant broadcast program data with other video recording/transcriber that connects with Internet.
Fig. 2 shows more than one video recording/transcriber, i.e. PVR, the composition diagram of the whole system that becomes by the network interconnection.Below with reference to Fig. 2, system of the present invention composition and operating process thereof are specifically described.PVR of the present invention system, by the server (200) that makes up database (210,220) be provided with the video recording/transcriber of storage device (240), promptly PVR (230) forms.Each PVR can be connected by network with server.
Server (200) is provided with PVR IP catalog data base (220) and/or program contents database (210).The IP address of in store each PVR of PVR IP catalog data base (220).The in store broadcast program catalogue that is stored in each PVR storage device of program contents database (210).Each PVR (230) all has internal storage device, i.e. hard disk drive (240); The broadcast program that the user can watch hope is saved in the hard disk drive.In addition, PVR inside also is provided with network interface portion, therefore utilizes network interface portion, is connected on server or other PVR line data of going forward side by side retrieval or exchange by external network.
Fig. 3 illustrates the flow chart that makes up the server database process in the present invention.Referring to Fig. 3 as can be known, at first each PVR is connected to server (stage 300) by network; Then its own IP address and the broadcast program catalogue that is stored in self hard disk are sent to server (stage 310); The server that receives IP address and broadcast program catalogue then is saved in PVR IP catalog data base and program contents database (stage 320) respectively with corresponding data.
Fig. 4 illustrates a certain PVR, removes to receive the process flow diagram of the specific broadcasting program data of being preserved in the hard disk of other PVR.With reference to Fig. 4 as can be known, at first the user utilizes PVR network interface portion to be connected to server (stage 400), goes then to retrieve to have the PVR that wants the broadcast program watched, detects the IP address (stage 410) corresponding to PVR from the data in server storehouse.
Then, be connected to a PVR in the IP address that is retrieved, and go application to download broadcast program (stage 420).At this moment, if from the PVR that application is downloaded, do not obtain allowing, will remove to connect the PVR (stage 440) of the other IP address that is retrieved so, and then above-mentioned broadcast program is downloaded in application.In addition,, so just go decision whether to transmit in real time if the PVR that downloads from application has obtained downloading permission, or subscription and video recording (stage 450).If transmit in real time, storage so on one side is sent to the broadcast program of hard disk among the user PVR, watches (stage 460) Yi Bian be played on the display.If subscription and video recording receives data at preset time from PVR so, and be saved in hard disk (stage 470) among the user PVR.
Fig. 5 illustrates the download application that obtains specific broadcasting program from outside other PVR, and the process flow diagram that transmits.With reference to Fig. 5 as can be known, if the at first application (stage 500) that obtains downloading specific broadcasting program from other PVR by network, problem (stage 510) so with regard to going to determine whether will download.If can't download, so just go to transmit the information that to download, and regularly go to check the application (stage 530) of the PVR whether other is arranged.But,, will share the broadcast program that is kept at hard disk with the PVR that application is downloaded so, so that the PVR that allows application download can remove to download broadcast program (stage 520) if want to allow the download broadcast program.
Example of the present invention is relevant PVR's that can sharing and storing device based on network.The purpose of example of the present invention provides a kind of video recording/transcriber, the storage device of dress, the i.e. capacity limit of hard disk in this device can go to overcome.In addition, the purpose of example of the present invention provides a kind of method of shared broadcast program, so that allow video recording/transcriber more than, spectators is adorned under the restriction of hard-disk capacity in not being subjected to, and can remove to see colorful broadcast program.
Reach other advantage in order to achieve the above object, example of the present invention, promptly be provided with the broadcast data video recording/transcriber of built-in storage device, to be provided with a tuner, it is the de-tuned broadcast singal that receives by atmospheric radio waves, and will convert this broadcast singal to an accessible signal.Digital Signal Processing portion will convert the broadcast singal that sends from tuner to digital signal, carry out compressed image then.Network interface portion will make broadcast data video recording/transcriber be connected to external network; Digital Signal Processing portion is then by network interface portion, receives other broadcast data video recording/transcriber and is kept at broadcast data in its storage device, and broadcast singal is outputed on the picture.In the example, network interface portion will comprise modulator-demodulator, some among industrial siding and the LAN.
In order to reach purpose of the present invention, example of the present invention will provide a PVR system, and this system can be undertaken interconnected by network, and include at least more than one video recording/transcriber of built-in storage device.The PVR system will comprise server and database.Server has can be by the video recording/transcriber of network connection.Database will move by server, and the IP catalogue of in store each video recording/transcriber and each video recording/transcriber broadcast program catalogue of being preserved in its storage device.Be connected to the video recording/transcriber of server, will be from the needed broadcast program of database retrieval, and go to connect and have the video recording/transcriber that is retrieved program, remove program receiving then.
Video recording/the transcriber of this example is connected to after the server by network, will go to transmit the IP address of video recording/transcriber, and the broadcast program catalogue of being preserved in the storage device of video recording/transcriber.Server will be saved in database to the broadcast data that receives, and it is managed.
This example video recording/transcriber, the IP address that has the video recording/transcriber of specific broadcasting program from the data in server library searching, and be connected to video recording/transcriber with IP address by network, go to apply for the transmission of specific broadcasting program then, and remove to download this program.
More than one video recording/the transcriber of this example is provided with storage device, and by the network sharing and storing device.Thereby the user can not be subjected to self video recording/transcriber, and promptly the restriction of the storage device capacity in the PVR can be watched all broadcast programs.
Embodiment according to the present invention can be shared the broadcast program that is kept in each PVR hard disk, and by being kept at the data in server storehouse, can go to retrieve the broadcast program catalogue that is kept among each PVR.Therefore, not only can alleviate the restriction of hard-disk capacity, can also use hard disk effectively.
Above-mentioned example and advantage thereof only are examples, be not be used for limiting of the present invention.The present invention is applicable to plurality of devices.Detailed description of the present invention only is an explanation, is not the application range that is used for limiting patent.
Claims (7)
1, have the broadcast data video recording/transcriber of network interface, it is characterized in that it:
Be provided with and the broadcast singal that receives from the on-air radio electric wave carried out tuning, and convert thereof into the tuner of the signal that can be handled;
Be provided with and convert digital signal to from the broadcast singal that tuner sends, and then go to the Digital Signal Processing portion of compressed image;
Be provided with the network interface that broadcast data video recording/transcriber can be connected with external network;
2, according to the said broadcast data video recording/transcriber of claim 1, it is characterized in that:
Network interface is modulator-demodulator or industrial siding, perhaps any one among the LAN (local area network (LAN)).
3, the broadcast data video recording/transcriber that has network interface, it comprises video recording/transcriber that storage device is housed more than, it is characterized in that each video recording/transcriber interconnects by network, is provided with the server that each video recording/transcriber is connected by network;
Be provided with by server and manage, and have the IP address directory of each video recording/transcriber and be kept at the database of the broadcast program catalogue in each video recording/transcriber storage device.
4, the driving method that has the broadcast data video recording/transcriber of network interface is characterized in that it comprises:
(a) video recording/transcriber is connected to the stage of server by network;
(b) video recording/transcriber is connected to after the server by network, transmits oneself the IP address and the stage of the broadcast program catalogue that has to server in the storage device of oneself;
(c) utilization of video recording/transcriber is kept at the stage that database in the server goes to retrieve specific broadcasting program;
(d), so extraction there is stage of IP address phase of the video recording/transcriber of broadcast program if retrieve specific broadcast program;
(e) be connected to video recording/transcriber, receive the stage of the broadcast program that sends corresponding to the IP address.
5,, it is characterized in that wherein (b) stage also comprises according to the said method of claim 4:
(i) video recording/transcriber that is connected on the server judges whether the broadcast program directory information of oneself has been set in the stage in the server;
(ii) in the stage of judging, do not set, will be transmitted the address of the IP of oneself to server so if judge, and the stage of the broadcast program catalogue that in the storage device of oneself, has;
(iii) in the stage of judging, set, will in server transmits oneself storage device, be had the stage of the lastest imformation of broadcast program catalogue so if judge.
6,, it is characterized in that it also comprises according to the said method of claim 4:
(f) video recording/transcriber is received require to send specific broadcasting program one by the invitation stage from the outside;
(g) the decision stage that whether will share the broadcast program that is required;
(h) if in the decision stage, determined to share, so broadcast program is set at the shared stage.
7, the driving method that has the broadcast data video recording/transcriber of network interface is characterized in that it comprises:
(a), receive IP address and the stage that is kept at the broadcast program catalogue in above-mentioned video recording/transcriber by the video recording/transcriber of network from the outside;
(b) stage that deposits the IP address that receives and catalogue in database;
(c), obtain specific broadcasting program is retrieved the stage of requirement from the video recording/transcriber of outside;
(d) will there be the video recording/transcriber IP address that is required the broadcast program retrieved, to the stage that the video recording/transcriber that claims transmits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021232 CN1681303A (en) | 2004-04-06 | 2004-04-06 | Broadcasting data video/reproducing device with network interface and driving method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410021232 CN1681303A (en) | 2004-04-06 | 2004-04-06 | Broadcasting data video/reproducing device with network interface and driving method thereof |
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| CN1681303A true CN1681303A (en) | 2005-10-12 |
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| CN 200410021232 Pending CN1681303A (en) | 2004-04-06 | 2004-04-06 | Broadcasting data video/reproducing device with network interface and driving method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9185104B2 (en) | 2007-08-16 | 2015-11-10 | Samsung Electronics Co., Ltd. | Method and apparatus for communication, and method and apparatus for controlling communication |
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- 2004-04-06 CN CN 200410021232 patent/CN1681303A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9185104B2 (en) | 2007-08-16 | 2015-11-10 | Samsung Electronics Co., Ltd. | Method and apparatus for communication, and method and apparatus for controlling communication |
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