JPH11164278A - Digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a user interface coping with a near video on-demand(NVOD) service by displaying an NVOD program list on a display and to allow a user to view an optimum NVDO program SOLUTION: In the case that an NVOD program discrimination means 52 to discriminate whether or not a user-selected program is an NVOD program discriminates a reception signal to be a signal of an NVOD program, an NVOD service to which the NVOD program belongs is searched among program information stores in a 1st memory 50, and program information of all programs belonging to the NVOD service is extracted, while NVOD information stored in a 2nd memory 54 is used to prepare a list.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to digital broadcasting for controlling a receiving apparatus by presenting near video on demand (hereinafter referred to as NVOD) service information on a display using a medium for transmitting NVOD service information. The present invention relates to a receiving device and a display method thereof.

[0002]

2. Description of the Related Art In recent years, in environments surrounding digital broadcast receiving apparatuses, services that are useful to users are being provided by the introduction of satellite digital broadcasting. One of the services is the NVOD service. The NVOD service is a service that provides a system in which the same program is sequentially transmitted at a fixed time interval with a start time and broadcast on another channel. In a system that realizes the NVOD service, it is as if the video on demand is provided. Like a system (hereinafter referred to as VOD), a user can watch a desired program when he / she wants to watch it.

FIG. 7 is an example of a configuration diagram of a current digital broadcast receiving apparatus. The operation of selecting a NVOD program by the digital broadcast receiving apparatus will be described. In addition, the NVOD program is N
This shows a program provided with the service of the VOD system.

[0004] The digital broadcast signal received by the signal receiving means 10 is supplied to a demultiplexing means 11 and separated into a video signal, an audio signal, and other signals. The audio signal separated by the demultiplexing unit 11 is output to the audio decoding unit 12
After being input to the decoder and decoded, it is output from the speaker in synchronization with the video. Similarly, the demultiplexing means 11
The video signal separated by is input to the video decoding means 13 and decoded.

On the other hand, the other signals separated by the multiplex separation means 11 are supplied to a program information storage means 14. The program information storage means 14 stores information such as a program name and a broadcast station name,
Then, information attached to the program is extracted, and the extracted program information is stored in the memory 30.

When the user's request receiving means 31 receives a user's program selection request from an input from a remote controller or the like, the program selection means 32 performs a channel selection operation of the program and simultaneously performs an on-screen display. Then, program attribute information such as a program name, a broadcast station name, a broadcast time, and an NVOD program are retrieved from the memory 30, and on-screen information is created using the information.

Finally, the on-screen information created by the program selection means 32 and the video output from the video decoding means 13 are synthesized by the display control means 33, and the audio output from the audio decoding means 12 and the synchronization control means 15 are output. Is displayed on the display while synchronizing with.

The synchronization control means 15 controls a PLL (Pha) controlled using synchronization information contained in an input signal.
The clock generated by the synchronization control unit 15 is supplied to the audio decoding unit 12 and the video decoding unit 13.

[0009]

As described above, in the conventional digital broadcast receiving apparatus, whether the program is an NVOD program or a normal program, there is no difference in the channel selection operation. There is a problem that there is no such user interface.

[0010]

In order to solve the above-mentioned problems, a digital broadcast information receiving apparatus according to the present invention extracts a program information from a first memory for storing program information and a signal from a signal. Program information storage means for storing in a memory;
A user request receiving unit that operates by receiving an input from a remote controller or the like; an NVOD program determining unit that determines whether a program selected by the user by the user request receiving unit is an NVOD program; 2 and the NVOD program determining means determines that the program is an NVOD program, and selects the NVOD program to which the NVOD program belongs from among the program information stored in the first memory via the program information storing means. A service is searched, program information of all programs belonging to the NVOD service is extracted, and information is stored in the second memory via the NVOD information extracting means for storing information in the second memory and the NVOD information extracting means. NVOD program list creation means for creating a list using the NVOD information stored in the program, and the NVOD program number A list of list producing means is obtained and a display control means for displaying on a display. A cursor control means for receiving a user request from the user request reception means, displaying a cursor on the list created by the NVOD program list creation means, and controlling the cursor; Program selection means for selecting a program at a cursor position to be selected.

According to the present invention, a list corresponding to the NVOD service can be provided by displaying the NVOD program list on the display, and the user can operate from the NVOD program list to support the NVOD service. It can provide a user interface that has been implemented.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A digital broadcast receiving apparatus according to a first aspect of the present invention includes a first memory for storing program information, and a program for extracting program information from a signal and storing the program information in the first memory. Information storage means, a user request receiving means operating by receiving input from a remote controller or the like,
An NVOD program determining means for determining whether the program selected by the user by the user request receiving means is an NVOD program, a second memory used as a work buffer, and the NVOD program determining means determining that the program is an NVOD program In this case, NVO is selected from the program information stored in the first memory via the program information storage means.
Search for the NVOD service to which the D program belongs, and
NVOD information extracting means for extracting program information of all programs belonging to the OD service and storing the information in the second memory; and using NVOD information stored in the second memory via the NVOD information extracting means. And a display control means for displaying the list created by the NVOD program list creation means on a display. The NVOD program list creation means displays the NVOD program list. It can be realized.

Also, a cursor control means for receiving a user request from the user request reception means, displaying a cursor on the list created by the NVOD program list creation means, and controlling the cursor, and the cursor control Program selection means for selecting a program at a cursor position controlled by the means, thereby realizing a user interface using an NVOD program list.

(Embodiment 1) An example of an embodiment of a digital broadcast receiving apparatus according to the first invention of the present invention will be described below with reference to FIG. The same parts as those of the conventional digital broadcast receiving apparatus shown in FIG. 7 are denoted by the same reference numerals, and the description of the operation will be omitted.

In FIG. 1, program information storage means 14 comprises:
Information such as a program name and a broadcast station name and information attached to the program are extracted from the input signal received from the signal receiving unit 10, and the extracted program information is stored in the first memory 50. When the user request receiving means 51 receives a user's program selection request by a signal from a remote controller or the like, the NVOD program determining means 52 determines from the program information stored in the first memory 50 via the program information storing means 14. Then, it is determined whether the program selected by the user request receiving means 51 is an NVOD program.

When the program selected by the user request receiving means 51 is judged to be an NVOD program by the NVOD program judging means 52, the program information of the input signal stored in the first memory 50 is selected. , NVOD information extracting means 53 selects the NV selected by the user request receiving means 51.
A search is performed to select an NVOD service to which the OD program belongs, program information of all programs belonging to the NVOD service is extracted, and the information is stored in the second memory 54.

The NVOD program list creating means 55 includes an NVO
From the NVOD information stored in the second memory 54 via the D information extracting means 53, the program name, broadcast station name, broadcast time, program attribute information, and the like are extracted from the second memory 54, and the information is extracted. To create a list of related NVOD programs.

Finally, the list created by the NVOD program list creating means 53 and the video output from the video decoding means 13 are combined by the display control means 56, and the audio output from the audio decoding means 12 and the synchronization control means 15 are output. Is displayed on the display while synchronizing with.

FIG. 2 is a flowchart showing a method of displaying an NVOD program list when the user selects an NVOD program, and FIG. 3 shows an example of the NVOD program list.

The number of programs that can be displayed on one page of the list is N
(N is an odd number), and it is assumed that the program P (a) is selected from the user request receiving means 51. First step S
01 will be described.

In step S01, the NVOD program determining means 52 determines from the program information stored in the first memory 50 via the program information storing means 14 that the program P (a) is an NVOD program. The information extracting means 53 searches the program information stored in the first memory 50 for the NVOD service to which the program P (a) belongs, and finds the program information P (i) () of all programs belonging to the NVOD service. i = 0 to n-1) (time order)
The information is stored in the second memory 54.

Next, the operations of steps S03, S04, S05, S06 and S07 will be described. Steps S03 and S04 relate to a display method of the NVOD program list when the number n of programs is equal to or smaller than the number N of programs that can be displayed on one page. Steps S05, S06, and S
07 is the number of programs N that can be displayed on one page.
This is a method of displaying an NVOD program list when the size is larger than the above.

In step S02, if the number n of programs is equal to or smaller than the number N of programs that can be displayed on one page, in step S03, the program P (a) contains program information P (i) (i = 0 to n-1). ) To find the position.

If the program P (a) does not exist, program information P (i) (i = 0 to n-
A list of NVOD programs is created using 1), and a cursor is displayed at the 0th position in the list at this time.

If the program P (a) exists, in step S04, the program information P (i) (i = 0 to n-
A list of NVOD programs is created using 1), and a cursor is displayed at the a-th position in the list at this time.

Next, in step S02, if the number n of programs is larger than the number N of programs that can be displayed on one page, in step S05, the program P (a)
(I) A search is performed to find the position in (i = 0 to n-1).

If the program P (a) does not exist, in step S06, the program information P (i) (i = 0 to N-
A list of NVOD programs is created using 1), and a cursor is displayed at the 0th position in the list at this time.

If the program P (a) exists and a is smaller than 1/2 of the number N of programs that can be displayed on one page of the list, the program information P (i) (i =
0 to N-1), an NVOD program list is created, and at this time, a cursor is displayed at the a-th position in the list.

If the program P (a) exists and a is equal to or larger than 1/2 of the number N of programs that can be displayed on one page of the list, the program information P (a) is determined in step S06.
(I) N using (i = a−N / 2 to i = a + N / 2)
A VOD program list is created, and at this time, a cursor is displayed at the N / 2th position in the list.

FIG. 3 is a display example of the NVOD program list when N = 5. In particular, the program attribute information at the cursor position can be retrieved from the second memory 54 and displayed as a burner.

As described above, an NVOD program list in which the program selected by the user request receiving means 51 is arranged at the center can be created, and the user can receive the NVOD program list.
It is possible to provide a list corresponding to the service.

(Embodiment 2) Next, an example of an embodiment of a digital broadcast receiving apparatus according to the second invention of the present invention will be described with reference to the drawings. The same parts as those of the conventional digital broadcast receiving apparatus shown in FIG. 7 are denoted by the same reference numerals, and the description of the operation will be omitted.

In the digital broadcast receiving apparatus described in (Embodiment 1), the cursor control means 57
The cursor display is realized by changing the background color or the like on the list created by the D program list creating means, and when a request for cursor control of the user request receiving means 51 is received, the cursor is moved according to the request. When the program at the cursor position is determined from the user request receiving means 51 via the cursor control means 57, the program selecting means 58
Is stored in the second memory 54 via the NVOD information extracting means 53.
Out of the NVOD information stored in the second memory 54, the program name, the broadcast station name, the broadcast time, the program attribute information, and the like of the program at the cursor position are retrieved from the second memory 54, and channel selection, reservation, etc. The operation is performed.

FIG. 4 shows a flowchart when the user selects a program from the NVOD program list, and FIG. 5 shows an example of a warning message. NVO upon user request
When a program is selected from the D program list, the program selecting means 58
Is stored in the second memory 54 via the NVOD information extracting means 53.
From the NVOD information stored in the second memory 54, the program name, broadcast station name, broadcast time, program attribute information, and the like of the program at the cursor position are extracted from the second memory 54.

Next, the current time and the start time of the program are compared in the program time comparison means 59 (step S1).
1). If the start time of the program is after the current time,
If the program time comparison means 59 determines, step S12
In, using the program information extracted from the second memory, the reservation executing means 61 performs a reservation executing operation.

Next, if the program time comparison means 59 determines that the program start time is not after the current time in step S11, the program time comparison means 59 compares the current time with the end time of the program (step S13). ).
If the program time comparison means 59 determines that the end time of the program is equal to or earlier than the current time, the message creation means 62 uses the program information retrieved from the second memory 54 in step S14. A warning message notifying that the program has already ended is created, and the message is displayed on the display via the display control means 56.

Finally, when the program time comparison means 59 determines that the program start time is not later than the current time in step S11 and the program end time is not equal to or earlier than the current time in step S13, If the program time comparison means 59 determines that the time is equal to or later than the start time of the program and before the end time, the program proceeds to step S15 where the second memory 54
Using the extracted program information, the program selecting means 60 performs a normal program selecting operation.

FIG. 5 shows an example of an NV which displays a warning message when a program whose end time is equal to or earlier than the current time is selected from the NVOD program list when N = 5.
It is an OD program list.

As described above, a user interface corresponding to the NVOD service can be provided by realizing a user operation from the NVOD program list using the NVOD program list.

(Embodiment 3) Next, an example of an embodiment of a digital broadcast receiving apparatus according to the third invention of the present invention will be described with reference to the drawings. The same parts as those of the conventional digital broadcast receiving apparatus shown in FIG. 7 are denoted by the same reference numerals, and the description of the operation will be omitted.

In FIG. 1, the program information storage means 14 comprises:
Information such as a program name and a broadcast station name and information attached to the program are extracted, and the extracted program information is stored in the first memory 50. When the user request receiving unit 51 receives a user's program selection request from an input from a remote controller or the like, the NVOD program determining unit 52 determines from the program information stored in the first memory 50 via the program information storing unit 14. Then, it is determined whether the program selected by the user request receiving means 51 is an NVOD program.

When the program selected by the user request receiving means 51 is judged to be an NVOD program by the NVOD program judging means 52, the program time comparing means 59 selects the current time and the user request receiving means 51. The start time and the end time of the program are compared. When the program time comparison means 59 determines that the current time is equal to or later than the start time of the program and before the end time, the program time comparison means 59 stores the current time in the first memory 50 via the program information storage means 14. From the stored program information, the NVOD information extracting unit 53 searches for an NVOD service to which the NVOD program selected by the user request receiving unit 51 belongs,
The program information of all programs belonging to the NVOD service is extracted, and the information is stored in the second memory 54.

The program selecting means 58 includes the program time comparing means 5
9, from among the NVOD information stored in the second memory 54 via the NVOD information extracting means 53, the current time is equal to or later than the start time and in the time zone before the end time, and A program whose elapsed time from the start time is the shortest is searched for, and the program selecting means 60 performs a channel selecting operation.

FIG. 6 shows a flowchart when the user selects an NVOD program. First, step S2
1 will be described.

In step S21, the NVOD program determining means 52 determines from the program information stored in the first memory 50 via the program information storing means 14 that the program selected by the user is an NVOD program.
The information extracting means 53 searches the program information stored in the first memory 50 for the NVOD service to which the program selected by the user belongs, and particularly searches the program information of all the programs belonging to the NVOD service. All the programs P (i) (i = 0 to n-1) (in chronological order) extracted in the time zone whose current time is equal to or later than the start time and before the end time are taken out and stored in the second memory 54. .

Next, the operation of steps S22 and S23 will be described. Step S22, Step 23
Shows the operation of selecting a program whose elapsed time from the start time is the shortest. In step 22, the variable min
And 0 is substituted for the variable i0. First, consider the case where i = 0. The program time comparison means 59 calculates the difference between the current time and the start time of the program P (0), and compares the result with the value of the variable min. When the value of the variable min is larger, the difference between the current time and the start time of the program P (0) is substituted for the value of the variable min, and i = 0 is substituted for the variable i0. In order,
Repeat similarly until i = n-1.

As a result, the program P (i0) whose elapsed time from the start time is the shortest is determined, and the program selecting means 60 performs the operation of selecting the program P (i0). As described above, when the user selects an NVOD program, the user selects the program with the shortest elapsed time from the current time, so that the user can select the optimal NVOD program with the shortest elapsed time from the program start time. It is possible to watch the program.

[0048]

As described above, according to the digital broadcast receiving apparatus of the present invention, by displaying the NVOD program list on the display, a user interface corresponding to the NVOD service can be provided, and The user can watch the optimal NVOD program.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a digital broadcast receiving apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart of an NVOD program list display method when an NVOD program is selected according to the first embodiment;

FIG. 3 is a diagram showing an example of an NVOD program list according to the first embodiment of the present invention;

FIG. 4 is a flowchart when a program is selected from an NVOD program list according to Embodiment 2 of the present invention;

FIG. 5 shows a warning message displayed when a program is selected from the NVOD program list according to the second embodiment of the present invention.
Diagram of an example of a VOD program list

FIG. 6 is a flowchart in the case of selecting an NVOD program according to Embodiment 3 of the present invention.

FIG. 7 is a configuration diagram of a conventional digital broadcast receiving apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Signal receiving means 11 Demultiplexing means 12 Audio decoding means 13 Video decoding means 14 Information storage means 15 Synchronization control means 30 Memory 31, 51 User request receiving means 32, 60 Program tuning means 33, 56 Display control means 50 First Memory 52 NVOD program determination means 53 NVOD information extraction means 54 Second memory 55 NVOD program list creation means 58 Program selection means 59 Program time comparison means 61 Reservation execution means 62 Message creation means

Claims (8)

[Claims] 1. A program information storage means for extracting program information from an input signal and storing the program information in a first memory, a user request receiving means operating by receiving an input from a remote controller or the like, and the program information storage means NVOD program determining means for determining whether the program selected by the user by the user request receiving means is an NVOD program from the program information stored in the first memory via a second memory, and a second memory used as a work buffer When the NVOD program determining means determines that the program selected by the user by the user request receiving means is an NVOD program, the program information stored in the first memory via the program information storing means is determined. NVOD to which the NVOD program selected by the user by the user request receiving means belongs
A service is searched, program information of all programs belonging to the NVOD service is extracted, and information is stored in the second memory via the NVOD information extracting means for storing information in the second memory and the NVOD information extracting means. NVOD
By providing an NVOD program list creating means for creating a list using information and a display control means for displaying the list created by the NVOD program list creating means on a display, it is possible to display an NVOD program list. Digital broadcast receiver characterized by the following. And a cursor control means for receiving a user request from the user request reception means, displaying a cursor on the list created by the NVOD program list creation means, and controlling the cursor. Item 2. The digital broadcast receiving device according to Item 1. 3. The digital broadcast receiving apparatus according to claim 2, further comprising program selection means for selecting a program at a cursor position controlled by the cursor control means. 4. The program selecting means includes program time comparing means for comparing a current time with a start time and an end time of a program at a cursor position controlled by the cursor control means. 3. The digital broadcast receiving apparatus according to 3. 5. The program selection means includes program selection means for performing a program selection operation, wherein the current time is equal to or later than the start time of the program at the cursor position controlled by the cursor control means, and the end time. 4. The digital broadcast receiving apparatus according to claim 3, wherein a program tuning operation is performed when the program time comparing means determines that the time is in a previous time zone. 6. The program selection means includes a reservation execution means for performing a program reservation execution operation, and the program time comparison means determines that the start time of the program at the cursor position controlled by the cursor control means is after the current time. 4. The digital broadcast receiving apparatus according to claim 3, wherein a program reservation execution operation is performed in the case of performing the operation. 7. The program selecting means includes a message creating means for creating a warning message or the like. If the end time of the program at the cursor position controlled by the cursor control means is equal to or earlier than the current time, the program time is changed. 4. The digital broadcast receiving apparatus according to claim 3, wherein when the comparing means determines, a warning message is generated to notify that the program has already ended, and the warning message is displayed on the display via the display control means. 8. A time zone in which the NVOD program judging means judges by the user request receiving means that the program selected by the user is an NVOD program, and the current time is equal to or later than the start time of the program and before the end time. If the program time comparison means determines that the current time is equal to the start time using the program time comparison means from the NVOD information stored in the second memory via the NVOD information extraction means 2. The digital selecting device according to claim 1, wherein a program which is in a time zone after that and before the end time and which has the shortest elapsed time from the start time is selected, and the program selecting means performs the channel selecting operation. Broadcast receiver.