JPH11341387A - Digital broadcasting receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make the video images of a tuned program easy to view, when an information presentation/operation screen is displayed by reducing the size of the video data of the tuned program and developing them on a display memory. SOLUTION: There are two display modes at the displaying of a screen other than the video images of the tuned program, that is the information presentation/operation screen of a program guide or the like. A first display mode is the display mode for displaying the information presentation/operation screen fully on the screen and reducing and displaying the video images (broadcasting video images) of the tuned program. A second display mode is the mode for displaying only the information presentation/operation screen fully on the screen and not display the video images of the tuned program. In the case of setting the display mode, a user selects the sub menu item 'slave screen display setting' of a selection item 'user setting' on a menu screen by the use of a cursor key and a decision key on a remote control transmitter 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcast receiver.

[0002]

2. Description of the Related Art In digital satellite broadcasting such as CS broadcasting, multi-channel broadcasting utilizing its characteristics is performed. In order to make it easy for a user to select a program, not only the program itself but also program guide information is used. Is superimposed on the broadcast radio wave and transmitted.

[0003] On the receiver side, a list of programs for each channel and each time zone, called a program guide, can be displayed so that the user can search and select a program by calling program guide information. ing. As other services, an operation screen for performing TV shopping, TV voting, and the like, a screen for reading a user's mail from a broadcast center, and the like are also displayed.

FIG. 6 shows a state in which only a video (broadcast video) of a selected program is displayed. FIG. 7 shows an information presenting / operation screen for a program guide or the like other than the broadcast video. Is shown.

Conventionally, an information presentation / operation screen is
As shown in FIG. 7, the video (broadcast video) of the selected program is displayed in a form overwritten on most of the screen except the upper, lower, left and right ends. For this reason,
When the information presentation / operation screen is displayed, there is a problem that most of the video of the selected program is not visible.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a digital broadcast receiver which makes it easy to view the image of a selected program when an information presenting / operation screen is displayed.

[0007]

A first digital broadcast receiver according to the present invention, when displaying an information presenting / operation screen other than a program image, causes the information presenting / operation screen to be displayed on a display and is selected. In order to display the reduced video of the program video being displayed on the display, the display data of the information presentation / operation screen is expanded on the display memory, and the size of the video data of the selected program is reduced and displayed on the display memory. And a means for sequentially reading the data developed on the display memory and displaying the data on a display.

The second digital broadcast receiver according to the present invention has a first display mode and a second display mode as display modes for displaying an information presenting / operation screen other than a program video. Means for setting by the user, when the first display mode is set, when displaying the information presentation / operation screen,
In order to display the information presenting / operation screen on the display and display the reduced image of the selected program image on the display, the display data of the information presenting / operation screen is expanded on the display memory and the channel is selected. Means for reducing the size of the video data of the program being displayed and expanding it on the display memory,
When the information presentation / operation screen is displayed when the second display mode is set, only the display data of the information presentation / operation screen is displayed on the display memory in order to display only the information presentation / operation screen on the display. Means to deploy to
And a means for sequentially reading data developed on the display memory and displaying the data on a display device.

When an information presenting / operating screen and a reduced image of a selected program are displayed on the display device, when a cursor used for the information presenting / operating screen overlaps the reduced image, the cursor is It is preferable to provide means for moving the display position of the reduced image so that the image does not overlap with the reduced image.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows the configuration of a digital broadcast receiver having a function of receiving CS digital broadcast. In FIG. 1, a circuit for reproducing and outputting audio is omitted.

A CS broadcast wave using a communication satellite (CS) is sent to a CS tuner 2 via a CS antenna 1,
High frequency processing and demodulation processing are performed. CS tuner 2
Is sent to the DEMUX circuit 3, where the packet is decoded.

In the DEMUX circuit 3, a packet is
It is separated into MPEG data and additional information such as program guide information. The MPEG data separated by the DEMUX circuit 3 is sent to the AV decoder 4. DEMUX circuit 3
The additional information such as the program guide information separated by the above is sent to the system control unit 9.

The AV decoder 4 demodulates the MPEG data sent from the DEMUX circuit 3. AV decoder 4
The video data obtained by the above is sent to the memory writing unit 5 and the video compression unit 11. The video compression unit 11 compresses the video data in order to reduce the display size of the video. The reduced video data compressed by the video compression unit 11 is also sent to the memory writing unit 5.

The operation screen generation unit 10 includes a system control unit 9
The display data of the program guide is generated based on the program guide information sent from. Also, the operation screen generation unit 10
Based on a system control signal of the system control unit 9, display data of various operation screens such as a menu screen is generated. The display data generated by the operation screen generator 10 is sent to the memory writer 5 under the control of the system controller 9.

The memory control unit 12 controls the memory writing unit 5 based on a system control signal from the system control unit 9 to expand data to be displayed on the display memory 6. The data expanded in the display memory 6 is sequentially read out by the memory reading unit 7 and sent to the image output unit 8 to be displayed.

The system controller 9 includes a remote control transmitter 1
3 is input via the remote control receiving unit 14. The system control unit 9 includes the tuner 2 and the DE
Information for channel selection is sent to the MUX circuit 3.

In this embodiment, there are two display modes for displaying a screen other than the video of the selected program, ie, an information presenting / operating screen such as a program guide. As shown in FIG. 2, the first display mode is a display mode in which the information presentation / operation screen is displayed to fill the entire screen, and the video (broadcast video) of the selected program is reduced and displayed. The second display mode is a mode in which only the information presentation / operation screen is displayed to fill the screen, and the video of the selected program is not displayed.

The setting of the display mode is performed based on a menu screen. When the menu key on the remote control transmitter 13 is pressed, the operation screen generation unit 10
Based on a system control signal from the system control unit 9,
The display data of the menu screen is generated and output to the memory writing unit 5. Further, the memory control unit 12 is configured to store the memory writing unit 5 based on a system control signal from the system control unit 9.
Is written to the display memory 6. The display data of the menu screen written in the display memory 6 is sequentially read out by the memory reading unit 7 and displayed on the screen output unit 8.

FIG. 3 shows an example of the menu screen. When setting the display mode, the user sets the submenu item “small screen display setting” of the selection item “user setting” on the menu screen of FIG.
3 is selected using the cursor key and the enter key above.
Then, a submenu screen (small screen display setting screen) as shown in FIG. 4 is displayed.

When the user wants to set the first display mode, the user selects the selection item "display sub-screen" on the sub-screen display setting screen using the cursor key and the enter key on the remote control transmitter 13. . Then, the system control unit 9 stores the set value indicating that the small-screen display is to be performed in a memory (not shown).

When the user wants to set the second display mode, the user selects the selection item "do not display the sub-screen" on the sub-screen display setting screen by using the cursor key and the enter key on the remote control transmitter 13. . Then, the system control unit 9 stores a set value indicating that the small-screen display is not performed in a memory (not shown).

FIG. 5 shows an operation procedure of the digital broadcast receiver.

When the remote control transmitter 13 is operated, the operated key is determined (step 1). If the operated key is a menu key, a menu screen is displayed (step 2). If the item “small screen display setting” on the menu screen is selected (YE in step 3)
S), a sub-screen display setting screen is displayed (step 4).

When the item "display sub-screen" on the sub-screen display setting screen is selected (YES in step 5),
A set value indicating that the small-screen display is to be performed is stored in the memory (step 6). Then, the process returns to step 1. If the item "do not display sub-screen" on the sub-screen display setting screen is selected (NO in step 5), a set value indicating that sub-screen display is not to be performed is stored in the memory (step 7). Then, the process returns to step 1.

When an item other than the item "small screen display setting" on the menu screen is selected in step 3, the processing corresponding to the selected item is performed (step 8), and the process returns to step 1.

If it is determined in step 1 that the program guide key has been operated, it is first determined whether or not a set value indicating that a small-screen display is to be performed is stored in the memory (step 9). .

If the set value indicating that the sub-screen display is to be performed is stored in the memory (if the first display mode is set) (YES in step 9), the program is executed as shown in FIG. A guide (information presentation / operation screen) and a reduced broadcast video (hereinafter, referred to as a reduced video) of the selected program are simultaneously displayed (step 10). That is, both the reduced video data generated by the video compression unit 11 and the display data of the program guide generated by the operation screen generation unit 10 are expanded in the display memory 6. Then, the process returns to step 1.

When a set value indicating that the sub-screen display is not to be performed is stored in the memory (when the second display mode is set) (NO in step 9), only the program guide is displayed. (Step 11). That is, only the display data of the program guide generated by the operation screen generating unit 10 is developed in the display memory 6. Then, the process returns to step 1.

If the cursor key is operated in step 1, the cursor is moved (step 1).
2). When the first display mode is set and the information presentation / operation screen such as a program guide is displayed, it is determined whether or not the cursor position after the movement overlaps the reduced image of the selected program. (Step 13). If it is determined that the cursor position after the movement overlaps the reduced image of the selected program, the reduced image is moved so that the cursor position of the movement destination does not overlap the reduced image of the selected program. It is moved (step 14). Then, the process returns to step 1.

If it is determined that the cursor position of the movement destination does not overlap the reduced video of the selected program, the process returns to step 1.

[0032]

According to the present invention, when the information presentation / operation screen is displayed, the video of the selected program can be easily viewed.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a digital broadcast receiver.

FIG. 2 is a schematic diagram showing an example of a display screen when a first display mode is set.

FIG. 3 is a schematic diagram illustrating an example of a menu screen.

FIG. 4 is a schematic diagram showing a submenu screen displayed when a submenu item “child screen display setting” of a selection item “user setting” is selected on the menu screen.

FIG. 5 is a flowchart showing an operation procedure of the digital broadcast receiver.

FIG. 6 is a schematic diagram showing an example of a screen when only a video of a selected program is displayed.

FIG. 7 is a schematic diagram showing an example of a conventional screen when an information presentation / operation screen such as a program guide is displayed.

[Explanation of symbols]

 2 CS tuner 3 DEMUX circuit 4 AV decoder 5 Memory writing unit 6 Display memory 7 Memory reading unit 8 Image output unit 9 System control unit 10 Operation screen generation unit 11 Video compression unit 12 Memory control unit

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Seiji Awano 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. 2-5-5 Sanyo Electric Co., Ltd.

Claims (3)

[Claims] When displaying an information presenting / operating screen other than a program video, the information presenting / operating screen is displayed on a display and a reduced video of a selected program video is displayed on the display. Means for expanding the display data of the information presenting / operation screen on the display memory, reducing the size of the video data of the selected program and expanding it on the display memory, and sequentially expanding the data expanded on the display memory Means for reading and displaying on a display. 2. A first display mode and a second display mode for displaying an information presenting / operation screen other than a program image.
Means for allowing the user to set these display modes. When the first display mode is set, when displaying the information presentation / operation screen, the information presentation / operation screen is displayed on the display. In order to display and display a reduced image of the selected program image on the display,
Means for expanding the display data of the operation screen on the display memory and reducing the size of the video data of the selected program to expand the image data on the display memory; presenting information when the second display mode is set Means for displaying only the information presentation / operation screen display data on the display memory, in order to display only the information presentation / operation screen on the display when displaying the operation screen;
Means for sequentially reading data developed on the display memory and displaying the data on a display device. 3. When an information presenting / operation screen and a reduced image of a selected program are displayed on a display device, and a cursor used for the information presenting / operation screen overlaps with the reduced image, 3. The digital broadcast receiver according to claim 1, further comprising means for moving a display position of the reduced image so that the cursor does not overlap the reduced image.