CN101043611A - DTV program play predetermined time display equipment and method thereof - Google Patents

Abstract

The related pre-setting time method for DTV program comprises: displaying the stored EPPG message if existence; if selecting program from the EPG picture, extracting the pre-set time message from EIT and ETT message; showing the pre-set time with OSD format. This invention is convenient for user to determine desired pre-set time.

Description

DTV program play predetermined time display equipment and method thereof

Technical field

The present invention relates to program play predetermined time display equipment and the method thereof of a kind of Digital Television (Digital TV :) hereinafter to be referred as DTV, being particularly related to the broadcast program that a kind of explicit user selects (program that shows or from the broadcast program of EPG picture and selecting) now plays the scheduled time, make the user confirm easily to play the scheduled time, and can move the DTV program play predetermined time display equipment and the method thereof of preengaging of recording of related-program at the fixed time with Auto Power On.

Background technology

In general, not only in television set, the signal that also is transferred to family from the radio station all is digital signals in the DTV broadcast, therefore compared with analog form, provides image quality and tonequality true to nature more clearly.The digital broadcast transmission is according to the program of the demultiplexing of MPEG specification compression.

In such mpeg standard, MPEG-2 is the international standard for transmission image and various data at television broadcasting of future generation and satellite broadcasting.

The MPEG-2 regulation will be carried out package (packet) with bit stream to the various signals of dynamic image and sound and other additional service information and be changed.Such regulation comprises program stream (ProgramStream) and transport stream (Transport Stream).

Utilize the multimedia communication of MPEG-2 to be loaded in the transport stream from the side of transmission most information, transmit, the recipient analyzes (parsing) with the transport stream that comprises most information, extracts hosting Information, and the use of decoding.

Not only has the broadcast program that is intended to play Digital Television in the transport stream, also comprise each channel of broadcast program and the recommended information of each time period program, like this, be included in the digital broadcast signal, provide the programme information of service to be called as electronic program list (EPG:Electric ProgramGuide).

EPG and system information (System Information:SI) be defined as one be exactly program and system information protocol (Program and System InformationProtocol:PSIP).PSIP is ATSC (the AdvancedTelevision Systems Committee Advanced Television standard committee) standard at radio frequency and cabled digital broadcasting, with MPEG-2 methods analyst information encoded, the agreement that defines for the relevant abundant information of program is provided.

PSIP is transmission and receives the MPEG-2 video and with the A/V data that the AC-3 audio format is made, and can transmit to the information of each tame radio station channel and to the information of each program of channel etc., constitutes with a plurality of forms (table).In addition, can also support to select channel, carry out major function that A/V that the user was ready service plays and, promptly provide the additional function of playing the service of introduction the EPG of broadcast program.At this moment, the information that waits for the channel information of selecting channel with for the packet identifier (PID) that receives A/V (audiovisual) is passed through virtual channel table (VCT), and the broadcast program EPG information of each channel is transmitted respectively by EIT (Event Information Table program information table).Here, EIT comprises that virtual channel activity (Event) relevant information---program title information, play start time information etc., an activity is a typical TV programme under the situation of major part.

At such DTV, if in the broadcast program appreciation, obtain EPG picture display requirement from the user, just according to customer requirements, the EPG information that display memory stores.If the user selects to show any broadcast program in the EPG picture, prior art just only shows the ETT information (when ETT information exists) of relevant broadcast program, therefore has the problem of playing the scheduled time future that can not confirm easily broadcast program that the user is ready.

In addition, also has so loaded down with trivial details part, promptly, the user in order to confirm playing the scheduled time in future of any broadcast program, can only utilize date and channel information etc., utilize channel, each date reproduction time, station name information etc., need search for one by one and confirm.

Summary of the invention

The present invention develops for addressing the above problem, the objective of the invention is to, a kind of DTV program play predetermined time display equipment and method thereof are provided, promptly, if the user is from EPG picture and selecting broadcast program (program also can selecting to play now) arbitrarily, just the EIT of utilization storage and ETT information search show selecting the broadcast scheduled time of broadcast program, make the user confirm easily to play the scheduled time.

In addition, another object of the present invention is, a kind of DTV program play predetermined time display equipment and method thereof are provided, promptly, according to the broadcast scheduled time of any broadcast program that shows, make the user can move Auto Power On or record reservation, can provide convenience to the user.

DTV playing programs scheduled time display packing of the present invention to achieve these goals comprised as the next stage: if user's EPG information requirements exist, just show the stage of the EPG information that stores; If from any broadcast program of EPG picture and selecting of above-mentioned demonstration, just from EIT and the stage of ETT information extraction to the broadcast scheduled time information of relevant broadcast program; With the stage of OSD form demonstration to the broadcast scheduled time information of the relevant broadcast program of said extracted.

The broadcast scheduled time information of above-mentioned demonstration comprises relevant broadcast program heading message, play target date and time information, station name information, channel information, correlation time Auto Power On and information such as pre-recording selection information at least one information.

The present invention also comprised as the next stage: if with above-mentioned OSD form from the Auto Power On of the broadcast scheduled time picture and selecting random time section of the user being selected program or record reservation, just put the stage that picks up counting from correlation time; Above-mentioned time timing result, if to correlation time, just be tuned as the channel of relevant broadcast program after, power-on or operation are to play signal stage of recording of program receiving correlation time.

DTV program play predetermined time display equipment of the present invention, the EPG information that comprises the storage of the reservoir that stores EPG information and ETT and EIT information respectively, explicit user input EPG information requirements signal, if any broadcast program of EPG picture and selecting from above-mentioned demonstration, just from the EIT and the broadcast scheduled time information of ETT information extraction of above-mentioned reservoir, show and control is extracted to the control part of the broadcast scheduled time information of relevant broadcast program with the OSD form to relevant broadcast program.

Above-mentioned control part is, if play the Auto Power On of scheduled time picture and selecting random time section or record reservation from user selected program with above-mentioned OSD form, just put and pick up counting from correlation time, timing result, if to correlation time, after just being tuned as the channel of relevant broadcast program, power-on, or control to correlation time program receiving play signal record operation.

DTV program play predetermined time display equipment of the invention described above and method thereof are according to user's selection, if at EPG picture show state, from a plurality of broadcast programs, select broadcast program of being ready or the broadcast program of appreciating, after just utilizing EIT information and ETT information extraction to select the broadcast scheduled time information (as date, channel information) of broadcast program, show the broadcast scheduled time of the relevant broadcast program that extracts.Therefore, the user can be than the broadcast scheduled time that is easier to confirm to own broadcast program of being ready.

In addition, the present invention confirms after the broadcast scheduled time information that shows any program, make the user can carry out the selection that reservation was preengage and recorded to Auto Power On to the relevant broadcast program of random time section, and the Auto Power On reservation is being set or is recording under the situation of reservation, carry out timing, section was opened the DTV power supply automatically or was recorded relevant broadcast program correlation time.At this moment, if Auto Power On reservation is set, to correlation time section open the DTV power supply, just be tuned as the broadcasting channel of relevant broadcast program after, power-on.Therefore, can eliminate the user and confirm reproduction time one by one, and confirm channel information, operation be ready also have the loaded down with trivial details problem that broadcast program is recorded the user of need not to remember reproduction time one by one, also can appreciate the advantage of the broadcast program of being ready easily.

Description of drawings

Fig. 1 is system's pie graph of general Digital Television.

Fig. 2 is the schematic diagram of electronic program list (EPG) picture of general Digital Television demonstration.

Fig. 3 is when EPG picture and selecting shown in Figure 2 comprises the specific program of ETT information, the picture of an embodiment of the ETT form of demonstration.

Fig. 4 is the flow chart to playing programs scheduled time display packing of Digital Television of the present invention.

Fig. 5 is the schematic diagram to the embodiment of OSD picture of the playing programs scheduled time of Digital Television demonstration of the present invention.

＜accompanying drawing major part symbol description 〉

100: play signal receives and demodulation section 110: buffer

120: signal processing part 130: internal memory

140: display part 150: input part

160: control part

Embodiment

Below with reference to accompanying drawings DTV program play predetermined time display equipment of the present invention and method thereof are elaborated.

Illustrate before the present invention, will illustrate that being suitable for general DTV of the present invention constitutes and EPG/ETT.

Fig. 1 is that the more information that is included in PSIP embodies and demonstration with EPG, and these are presented at the schematic diagram that the general DTV system combination on the picture constitutes.

As shown in Figure 1, DTV constitutes with following part: the play signal that is intended to receive with demodulation play signal and EPG information receives anddemodulation section 100;Buffer 110 for the EPG information that stores demodulation;Signal processing part 120 for the EPG information that stores with each functionseparation buffer device 110; In order to store theinternal memory 130 of each function EPG information; Be presented at thedisplay part 140 of picture for the EPG information thatinternal memory 130 is stored; In order to select EPG to show theinput part 150 of options button and programme information; Operation shows the control part of controlling 160 to the control and the EPG picture of the read/write of theinternal memory 130 of storage EPG information.Here, input part comprises keypad (button) that remote controller, DTV have etc.

Each action that general description is constituted the general DTV system of such formation below.

The EPG signal is the channel program information signal that transmits with play signal.The channel program information that the EPG signal loads comprises the simple additional information (ETT) of program category, programm name, reproduction time, program etc.

Play signal receives anddemodulation section 100 receives play signal and EPG information, after separating, is demodulated into original signal.That is, the play signal of reception and EPG information in order to be converted to suitable form, are demodulated into original signal form because of being not suitable for demonstration.

Buffer 110 stores the EPG information of play signal reception anddemodulation section 100 demodulation, the EPG information thatsignal processing part 120 stores according to each function separation buffer device 110.That is,,, be stored ininternal memory 130 according to broadcasting channel separate activities information according to time period separate activities information.

At such state, in order to utilize EPG information, 150 input EPG open (on) instruction if the user utilizes input part, the EPG information of reading bydisplay part 140display memories 130 with regard to the demonstration control command of Be Controlledportion 160.

Fig. 2 is the schematic diagram of general EPG picture.

EPG picture shown in Figure 2 is 2004 to be the EPG that confirm in 6: 11 afternoon of April 8, and here, Chan is meant virtual channel, and Name is meant the radio station, and all the other represent the broadcast program in each tame radio station of each time period.As shown in the figure, STT (System Time Table) represents current date and time, and EIT is a program information table, expression virtual channel activity related information---title etc.

In addition, the form of formation EPG comprises following part: the ID that is included in each information form in the PSIP information; Each information form size and a plurality of virtual channels (VC) that are included in the present physical channel; With exist in the channel to the title of a plurality of channels and channel number and modulation system and MGT (Master GuideTable)/VCT (Virtual Channel Table) of constituting corresponding to the transport stream id information of channel etc.; Be the area and the RRT (Rating Region Table) that examine information such as mechanism of transmission at program grade; Comprise ETM (Extended Text Message) to each programme information in the simple declaration of each channel and each channel; The ETT (Extended Text Table) that comprises channel ETM information and movable ETM information; PAT (Program Association Table Program Association Table); PMT (Program Map Table Program Map Table) etc.

In order to watch the ETT content in the above-mentioned EPG, click the programm name in (selection) EPG, can obtain the ETT information that program comprises with this.

Fig. 3 is the specific program that comprises ETT information from EPG picture and selecting shown in Figure 2, the schematic diagram of the ETT form of demonstration.

As shown in Figure 3, roughly be divided into the ETM part of the ETT header information part of 9 bytes, the ETM_id information part of 4 bytes, certain byte (M), the CRC32 information part of 4 bytes.

As everyone knows, ETT information is to redistrict to be channel ETM information and movable ETM information.Wherein, channel ETM information comprises the simple declaration to each channel, and movable ETM information comprises the information to each program in each channel.In addition, the ETT information that comprises such channel ETM information and movable ETM information is to receive from physical channel (PC) respectively, be stored in the internal memory means of digital broadcasting receiver after, according to channel switch, show selectively.

That is to say, if the user is in order to change the channel among the appreciation, the inputting channel conversion key, just constitute to the channel information (channel ETM) of converted channel with to the information (movable ETM) of the program among the present broadcast with the picture (as channel banner picture) of introducing of a definite form, and at the certain hour that has been provided with the interior picture that is presented at, make the user can be with reference to the programme information of converted channel and channel correlation.

In addition, ETT information is in PSIP information, with the transmission of suitable deal size, be stored in digital broadcasting receiver internal memory means, showing the process of this information, is not all to show the whole ETT information that store, but according to user (spectators') selection, only extract essential information, show for the picture of introducing of a definite form.

That is, the user can be provided with the information content and its banner picture option that whether shows that comprises in the picture that constitutes with ETT information selectively.Such as, during channel switch, the user be provided with to according to the demonstration of the banner picture of ETT information whether with the banner image information form (simple information or details) that shows, the banner image information that digital broadcasting receiver is provided with according to the user, the ETT information that stores from the internal memory means is only extracted necessary information selectively, shows.

If the EPG method for information display of the general DTV of the above explanation of arrangement, the EPG picture just shows the reproduction time and the programm name of radio station and decision simply, in order to watch the ETT content of the specific program in the EPG, click the particular program name in (selection) EPG, the user is watched be included in the interior ETT information of program.

Below, will be by the action of explanation shown in Figure 1 DTV program play predetermined time display equipment of the present invention.

At first, as shown in Figure 1, if the user is byinput part 150, EPG picture requirement key input signal is provided forcontrol part 160,control part 160 just according to the key input signal of pressing ofinput part 150 inputs, is read the EPG information thatinternal memory 130 stores, as shown in Figure 2, show the EPG picture fordisplay part 140.

Show atdisplay part 140 under the situation of EPG pictures that if the user selects any broadcast program byinput part 150, just from the existence of the broadcast program ETT information ofinternal memory 130 search selections whether controlpart 160.

Search Results if exist selecting the ETT information of broadcast program, is just read relevant ETT information, is shown to display part 140.Therefore, the user can confirm selecting details---the ETT information of broadcast program.

At this moment, if the user byinput part 150 input to the requirement of above-mentioned selection broadcast program display the play the scheduled time by key input signal, EIT information and ETT information that controlpart 160 just utilizesinternal memory 130 to store, according to the date search and the broadcast scheduled time of extracting relevant broadcast program, be shown to displaypart 140.

Therefore, the user can be than the broadcast scheduled time that is easier to confirm own broadcast program of being ready and channel information etc.

At this moment, display message such as the playing programs scheduled time of demonstration and channel information are carried out the OSD processing atsignal processing part 120, are shown to displaypart 140 with the OSD picture.

In addition, display the play the scheduled time during information, show to the user to make it can select the Auto Power On reservation and record the icon information of reservation, can play the scheduled time and open related-program automatically relevant, maybe can carry out pre-recording with this.

Therefore, if the user is playing the scheduled time arbitrarily, select the Auto Power On reservation of related-program or record reservation,control part 160 is with regard to timing, to relevant date and time, be tuned as the channel of playing related-program, make it show the broadcast program that receives by tuning channel, or make the play signal of its relevant broadcast program that can automatic recording receives, control.

With reference to accompanying drawing 4, will illustrate and the corresponding DTV playing programs scheduled time display packing of the present invention of the action of DTV program play predetermined time display equipment of the present invention interimly.

At first, as shown in Figure 4, appreciate among any broadcast program, judge whether the user imports EPG picture display requirement signal (S101).

If the user imports EPG picture display requirement signal, just read the EPG information of memory storage, show EPG picture (S102) with the OSD form.That is, show with visual format shown in Figure 2.

As shown in Figure 2, at the state that the EPG picture shows, judge whether the user selects any broadcast program (S103).

If the user from any broadcast program of EPG picture and selecting, just extracts the ETT information of selecting broadcast program from internal memory, as shown in Figure 3, show (S104).

As shown in Figure 3, under the state that shows the ETT picture of the user being selected broadcast program, judge whether the user imports the relevant broadcast program scheduled time and confirm to require signal (S105).

If user's input was confirmed to require signal to the broadcast scheduled time of selecting broadcast program, just utilize the EIT information and the ETT information of memory storage, the relevant broadcast program of search is play the scheduled time (S106).

As shown in Figure 5, the broadcast scheduled time information to relevant broadcast program of search is constituted picture, show (S107) with the OSD form.Play station name information, channel information, date and the time information that scheduled time information can comprise relevant broadcast program here.

In addition, as shown in Figure 5, during with OSD form display program broadcast scheduled time picture, make the user select the Auto Power On reservation of relevant broadcast program or to record reservation according to the date and time section, also can the additional correlation icon.Fig. 5 is a schematic diagram of Digital Television display program of the present invention being play the embodiment of OSD picture of the scheduled time.That is, the broadcast scheduled time information of Xian Shiing comprises date information and channel information as shown in Figure 5, also comprises the related-program Auto Power On and records the selection information of reservation.

Above-mentioned explanation is like this, at first, if user's any broadcast program of being ready from EPG picture and selecting oneself, just earlier after the demonstration of ETT picture, according to user's broadcast scheduled time affirmation requirement, the playing programs scheduled time information that displayed map 5 is such.But, that is,, do not show ETT information separately, but, can show playing programs scheduled time information frame as shown in Figure 5 yet from any broadcast program of EPG picture and selecting if utilize shortcut with other method also in requisition for understanding this point.

As shown in Figure 5, play under the state that the scheduled time shows in user selected program, the selection signal (S108) of icon is opened or recorded to the program that judges whether to import the random time section automatically.

If the user selects the program Auto Power On or the pre-recording icon of section correlation time, just start the clock and the date from the time point of selecting.

Timing result, if to correlation time, when just opening the DTV power supply automatically, channel tuning for playing the channel of related-program, if be provided with pre-recording, the recording of operation play signal that the channel correlation from relevant broadcast program is received (S110) just.

The result, DTV playing programs subscription time display device of the present invention and method thereof are according to user's selection, if at EPG picture show state, from a plurality of broadcast programs, select the broadcast program of being ready or appreciate now in broadcast program, after just utilizing the broadcast scheduled time information (as date, channel information) of the broadcast program that EIT information and ETT information extraction select, show the broadcast scheduled time of the relevant broadcast program that extracts.

In addition, affirmation to the broadcast scheduled time information that shows any program after, make the user select the Auto Power On reservation or to record reservation to the relevant broadcast program of random time section, if the Auto Power On reservation has been set or has recorded reservation, just carry out timing, automatically open the DTV power supply correlation time, or record relevant broadcast program.At this moment,, open the DTV power supply to correlation time if Auto Power On reservation is set, just be tuned as the broadcasting channel of relevant broadcast program after, power-on.

Claims (6)

1, a kind of DTV playing programs scheduled time display packing is characterized in that, comprises with the next stage:

If customer requirements EPG information, the just stage of the EPG information of demonstration storage;

If from any broadcast program of EPG picture and selecting of described demonstration, just from EIT and the stage of ETT information extraction to the broadcast scheduled time information of relevant broadcast program;

With the stage of OSD form demonstration to the broadcast scheduled time information of the relevant broadcast program of described extraction.

2, DTV playing programs scheduled time display packing as claimed in claim 1, it is characterized in that the broadcast scheduled time information of described demonstration comprises relevant broadcast program heading message at least, play target date and temporal information, station name information, channel information, an information in the selection information of correlation time Auto Power On and pre-recording.

3, DTV playing programs scheduled time display packing as claimed in claim 1 is characterized in that, also comprises as the next stage:

If from the Auto Power On of the broadcast scheduled time picture and selecting random time section of the user being selected program or record reservation, just put the stage that picks up counting from correlation time with described OSD form;

Above-mentioned Time Calculation result, if to correlation time, just be tuned as the channel of relevant broadcast program after, power-on or operation are to play signal stage of recording of program receiving correlation time.

4, a kind of DTV program play predetermined time display equipment is characterized in that, comprises following part:

Store the reservoir of EPG information and ETT and EIT information respectively;

The EPG information that has stored of explicit user input EPG information requirements signal, if any broadcast program of EPG picture and selecting from described demonstration, just from the EIT and the broadcast scheduled time information of ETT information extraction of described reservoir, show and control is extracted to the control part of the broadcast scheduled time information of relevant broadcast program with the OSD form to relevant broadcast program.

5, DTV program play predetermined time display equipment as claimed in claim 4, it is characterized in that the broadcast scheduled time information of described demonstration comprises relevant broadcast program heading message, play target date and time information, station name information, channel information, at least one information in the selection information of correlation time Auto Power On and pre-recording.

6, DTV program play predetermined time display equipment as claimed in claim 4, it is characterized in that, described control part is, if from the Auto Power On of the broadcast scheduled time picture and selecting random time section of the user being selected program or record reservation, just put and pick up counting timing result from correlation time with described OSD form, if to correlation time, after just being tuned as the channel of relevant broadcast program, power-on, or control to correlation time program receiving play signal record operation.

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