CN201307907Y - Hard disk recorder by utilizing EPG technology - Google Patents

Abstract

The utility model discloses a hard disk recorder by utilizing EPG technology, which is characterized in that a network interface is arranged on a hard disk recorder and is used for accessing the network, so that the hard disk record can download EPG information from the internet; EPG information is downloaded into a main control unit of the hard disk recorder through the network interface and a data bus to be processed, and after matching the time information in the EPG information with the system time, the main control unit transfers the EPG information to a main memory; when in use, programs are selected through an operation part according to the EPG information, and the selected information is transferred to the main control unit, and the main control unit monitors the system time according to the time information in the EPG information; when the system time is consistent with the time in the EPG information, the main control unit controls the main memory to record and to store the selected programs. The hard disk recorder has the advantages of simple operation, novel structure, convenient application, and the like, and is applicable to the popularization in the daily life of people.

Description

A kind of DVR of using the EPG technology

Technical field

The utility model relates to a kind of DVR, relates in particular to the DVR that a kind of EPG of application technology is carried out the audio and video information record.

Background technology

Before digital times, the approach of most user search TV programme also only limits to newspaper, can buy newspaper and can't in time watch even miss program because of forgetting sometimes.Network has then appearred, the information that people can check program by online, but all go every day to look into still very loaded down with trivial details, perhaps because online is not convenient and perplex.Especially utilize video recording equipment to record the user of the TV programme of oneself liking, according to newspaper or online information releasing setting-up time, automatic recording behind the arrival setting-up time is done time-consuming, bothersome like this, and the change of the content of often recording time of broadcasting along with program, and become not accurate enough.

Along with the appearance of digital television program, a kind of approach of new searching TV program also occurs thereupon, and EPG is the english abbreviation of Electronic Program Guide, and the meaning is an electric program menu, i.e. the following program indexing of electronic edition.The interface of EPG system and Web classes of pages seemingly, the assembly of directly clicking when on the EPG interface, generally all providing all kinds of menus, button, link etc. to select program for the user; Also can comprise the dynamic or static content of multimedia that all kinds of users of confession browse on the interface of EPG.EPG has obtained using widely in Digital Television such as U.S., Europe development country early, becomes one of basic service of Digital Television.According to statistics, in all kinds of business of Digital Television, the clicking rate of EPG is the highest, and becomes in the Digital Television one gradually and develop industry rapidly, the manufacturing company as the EPG exploitation of a collection of specialties such as U.S. TVGuide occurred.In fact, EPG has become the important symbol of Digital Television, is the door that spectators enter Digital Television and IPTV, and the index of the miscellaneous service that IPTV provided and navigation are all finished by the EPG system; This kind program guide is that the information of program is added in the code stream of digital program, by decoding chip it is solved, and shows on TV when customer selecting.The popularizing gradually of present network and Digital Television makes a kind of exploitation of novel EPG system become possibility.

Summary of the invention

The utility model is at the proposition of above problem, and develop a kind of by the information such as programm name among the EPG that clicks network download, the DVR that can carry out prefabricated video recording to the program that will broadcast future.Its technology realizes that means are as follows:

A kind of DVR of using the EPG technology is characterized in that being provided with network interface on DVR, is used to connect network; Wherein EPG information is downloaded to by network interface on the DVR and data/address bus in the main control unit of DVR and handles, the main control unit of described DVR be connected with main storage by data/address bus and main control unit mated the temporal information homologous ray time in the EPG information after be delivered in the main storage; Wherein the operating portion of DVR is connected with main control unit by data/address bus, is used for the selected information of EPG is delivered to main control unit; Wherein the system clock in the DVR is connected with main control unit by data/address bus, the temporal information that is used for EPG information compares, and the data in the set-top box that the DVR main control unit will be connected with DVR when system time is consistent with the time in the EPG information are deposited in the main storage.

Said system comprises network, has used the DVR of new E PG system, television system (comprising Digital Television, simulated television, satellite television) three parts.The user selects local television system by DVR, then DVR is connected in network, and this moment, the hard disc recording chance was storing on whole EPG download of information local hard drive video tape recorders of the television system of corresponding selection.The user can access the broadcast information that EPG checks own favorite program at any time.And so long as DVR is connected on the network, it is with regular renewal EPG information, to guarantee the ageing of local EPG information.Like this, as long as network support, that DVR just can provide is current, the same day, this week even more leading programme information, is convenient to the user and arranges to watch.And this EPG system has multiple program searching modes such as focus recommendation, classified search and keyword search, and the user can carry out the search of program according to the needs of oneself, has improved the performance of EPG greatly.Combine DVR powerful record management function, just can carry out the whole system of collecting and compile, manually the multiple mode of recording such as record TV programme, our traditional TV possessed review, skip, F.F., rewind down, trick play functionality such as frame is put and put slowly, allow the arbitrary TV reception of user.

Owing to adopted technique scheme, the design is connected by network by the DVR main body, realize automatic download and the renewal of EPG, and advanced function such as program searching is provided, improve user's receiving television program efficient, and the user is simple to operate, is convenient to promote.

Description of drawings

Fig. 1 is a system architecture diagram of the present utility model;

Fig. 2 is the specific embodiment of the utility model structured flowchart;

Embodiment

Be illustrated in figure 1 as and utilize the EPG technology to carry out the system architecture diagram of performance recording, TV RF signals 1 is inserted in the user family by coaxial cable, be connected on the set-top box 2, be connected to by set-top box 2 in the DVR 4 of band network interface 6, the video output by DVR 4 is connected in the television set 5 of user family.DVR 4 links to each other with network 3 by network interface 6, and the user can pass through network 3, downloads the EPG menu that upgrades weekly to special website.The EPG menu of the DVR 4 of user by clicking the band network EPG that oneself downloads is realized the predetermined imprinting of the TV signal that will transmit from TV RF signals 1, DVR 4 can be carried out imprinting to it when the program of predetermined imprinting broadcasts under the situation of not shutdown.DVR 4 is not or when having imprinting from TV signal that set-top box 2 is transmitted in the use, and DVR 4 all can be by the encoding and decoding of TV RF signals that set-top box 2 is transmitted, shows other the TV signal of broadcasting in television set 5.

As shown in Figure 2, usually TV RF signals 1 enters (if the TV signal of band set-top box 2 can enter by input terminal 22) in the DVR 4 of being with network EPG through tuner 10, decoding through decoder 12 (chip SAA7114H), pass through the coding of encoder 11 (chip GO7007) again, enter main control unit 14 (chip EM8560), receive on the television set 5 by lead-out terminal at last.

(content comprises following program indexing to EPG information, programme information introduction-PD program director, performer and the basic story of a play or opera etc., also can be by information such as programm name, performer's title, the type of drama, hot programs are searched for fast to program and then realizing prefabricated imprinting) by network interface 6, and figure in network transformer YCL_SMT16 and the DM9000 ethernet controller do not looked, after pass to main control unit 14, pass to main storage 8 (hard disk) storage by main control unit 14 again.Adopt http protocol mutual between STB and the EPG Server, EPGServer is as server end, and STB is as client, and the request msg of STB embodies in URL.Interface between IPTV EPG and the DVR is mainly realized following function: the rendition list obtain function, the tabulation that DVR can be obtained all issue films above the EPG Server by interface 6, program category and film name information; Film data obtain function, DVR can also be obtained the specifying information of some concrete films by interface 6, as specifying informations such as film introduction, performer and directors; The client comprises functions such as program predetermination from service function; DVR sends authentication request and service request to the EPG server, and receives authentication response and service response from the EPG server.

When we determine to be scheduled to the imprinting program by the click of operating portion 17 remote control equipments, main control unit 14 is carried out the system program in additional storage 16 (FLASH) in RAM15, the EPG information of the time of the program of imprinting is deposited in the main storage 8 (hard disk).Simultaneously, after start, system clock circuit 21 system clock that also brings into operation.(concrete clock setting information by operating portion 17, stores in the main storage 8 through main control unit 14.) main control unit 14 obtains the current time to system clock 21 at set intervals, simultaneously, the system program of carrying out in RAM15 has also been noted the imprinting time in main storage 8.When the imprinting time is consistent with the system clock of obtaining, at this moment, the selected program that is broadcasting (hard disk) in main storage 8 of system program prompting main control unit imprinting.Our programm name clicked among the EPG of network download can carry out prefabricated imprinting to the program that will broadcast future like this, and we also can carry out integral prefabricated imprinting as broadcasting collection of TV plays and variety show every day to the program set that will broadcast in the future, and are convenient, fast.

The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and inventive concept thereof, all should be encompassed within the protection range of the present utility model.

Claims (1)

1, a kind of DVR of using the EPG technology is characterized in that being provided with network interface on DVR, is used to connect network; Wherein EPG information is downloaded to by network interface on the DVR and data/address bus in the main control unit of DVR and handles, the main control unit of described DVR be connected with main storage by data/address bus and main control unit mated the temporal information homologous ray time in the EPG information after be delivered in the main storage; Wherein the operating portion of DVR is connected with main control unit by data/address bus, is used for the selected information of EPG is delivered to main control unit; Wherein the system clock in the DVR is connected with main control unit by data/address bus, the temporal information that is used for EPG information compares, and the data in the set-top box that the DVR main control unit will be connected with DVR when system time is consistent with the time in the EPG information are deposited in the main storage.

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