JP3862573B2 - Digital broadcast receiver - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a digital broadcast receiver capable of displaying a still image based on a received digital broadcast signal and obtaining detailed information regarding the displayed still image.
[0002]
[Prior art]
Conventionally, when data transmitted by digital broadcasting is used, a screen is configured and displayed based on data transmitted from a broadcasting station.
For example, Japanese Patent Laid-Open No. 11-75164 proposes a technique for realizing a still image information providing service. In this technology, a plurality of digitally compressed still image data repeatedly transmitted from a digital broadcast transmission device is received, and still image data that can be selected next to the currently displayed still image is stored in the main storage unit. If not, the still image data is stored in the main memory until the user performs a selection operation. If there is a user selection operation, the selected still image data is decompressed by the decoder, A still image is output to a TV.
[0003]
[Problems to be solved by the invention]
However, the technique disclosed in Japanese Patent Application Laid-Open No. 11-75164 selects data sent from a broadcasting station according to a predetermined menu and shortens the time until a screen related to the data is displayed. It does not provide information specified by the viewer.
For this reason, it was impossible to obtain desired information about the person, landscape, animals, plants, etc. displayed on the screen while the viewer was watching the program.
[0004]
The present invention has been proposed in view of the above-described circumstances, and an object of the present invention is to provide a digital broadcast receiver capable of obtaining desired information regarding data displayed on the screen while a viewer is watching a program. .
[0005]
[Means for Solving the Problems]
A digital broadcast receiver according to the present invention includes a receiving means for receiving a digital broadcast signal, a separating means for separating the received digital broadcast signal into a video signal, an audio signal, and data broadcast contents, and a separated video. A decoding means for decoding the signal, the audio signal, and the data broadcast content, a conversion means for converting the original video signal and the audio signal based on the result of the decoding process, and the converted video signal; An output means for outputting an audio signal, a display means for displaying the output video signal and the audio signal, a control means for inputting the separated data broadcast contents, and an operator for the control means in the digital broadcasting receiver having an instruction unit for instructing the,
The control means stores and captures a video signal at the time when an instruction is given by the instruction means as a still image , stores and captures data broadcast contents related to the still image, and reduces a viewing program display area on the display means. and, the open viewing numbered sets display area display a still image at the time of performing the instruction by said instruction means, then determine the pointer position of the displayed still image, and more determined in the pointer position location Based on the obtained position coordinates, the captured data broadcast contents existing at the position coordinates are acquired .
[0006]
Further, in the digital broadcasting receiver, the data broadcast content acquired by the data broadcast content acquisition unit, a data broadcast to be displayed on another display area is an area for displaying at least the viewing program display area and the still image It is possible to provide content display means.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of a digital broadcast receiver according to the present invention will be described with reference to the drawings.
[0008]
<Configuration of digital broadcast receiver>
FIG. 1 is a block diagram showing a schematic configuration of a digital broadcast receiver according to an embodiment of the present invention.
As shown in FIG. 1, a digital broadcast receiver 100 according to an embodiment of the present invention includes a tuner unit 101, a demodulation processing unit 102, a video / audio D / A unit 103, a control unit 104, an operation unit 105, and a remote control light receiving unit. 106, and a line I / F 107.
[0009]
In the digital broadcast receiver 100, a digital broadcast signal transmitted from a broadcast station is received by the tuner unit 101 via an antenna and input to the demodulation processing unit 102 as a data stream. The demodulation processing unit 102 analyzes the data stream and separates it into a video signal, an audio signal, and data broadcast content.
[0010]
Here, the video signal and the audio signal are input to the video / audio D / A unit 103 and output to the outside as the respective video output signals and audio output signals.
Further, the contents of the data broadcast are input to the control unit 104, a screen is constructed in accordance with the description contents, is input again to the demodulation processing unit 102, and is superimposed on the video and audio data. The data broadcast content screen is displayed after being input to the A section 103.
[0011]
In the operation unit 105, a signal for controlling the digital broadcast receiver 100 is generated according to an instruction from the operator, and the content is input to the control unit 104. Similarly, the light receiving unit 106 of the remote control receives data transmitted from the remote control transmitter and inputs the contents to the control unit 104. The control unit 104 controls the entire digital broadcast receiver 100.
[0012]
In addition, the digital broadcast receiver 100 according to the present embodiment includes a line I / F 107 for transmitting / receiving personal information and terminal information to / from a television station or a management center that performs digital broadcasting. Connected to a TV station, a management center, etc. through a public line connection.
[0013]
<Display still image>
Next, display of a still image will be described.
While viewing the program, the viewer can give an instruction to capture a desired scene by operating the operation unit 105 or the remote controller. At this time, the digital broadcast receiver 100 stores the screen data at the time when the instruction is given as a still image and takes it into the control unit 104, and also takes additional information regarding the content displayed on the screen into the control unit 104.
The still image captured by the control unit 104 is input to the demodulation processing unit 102. Then, the display area of the program currently being viewed is reduced, a still image is displayed in an empty space, and a pointer for determining the position on the still image is displayed.
[0014]
A specific display example of a still image is shown in FIG.
In FIG. 2, 201 is a display area of a program currently being viewed, 202 is a display area of a still image, and 203 is a pointer for determining a position on the still image.
A moving image is displayed in the display area 201 of the currently viewed program, and a still image at the time when the instruction is given is displayed in the still image display area 202. A pointer 203 for determining the position of the still image is displayed so as to be superimposed on the still image display area 202.
[0015]
<Display of incidental information (data broadcasting contents) >
Next, display of supplementary information (data broadcast content) related to a still image displayed on the screen will be described. When the operation unit 105 or the remote controller is operated to move the pointer 203 and a specific location in the still image is indicated, it is stored in the control unit 104 based on the coordinates determined by the pointer 203 or index information related to the coordinate data. Search the accompanying information (data broadcast contents) . Then, incidental information (data broadcast content) is input to the demodulation processing unit 102 and displayed via the video / audio D / A unit 103.
[0016]
A specific display example of the incidental information (data broadcast content) is shown in FIG.
In FIG. 3, 201 is a display area of a program that is currently being viewed, 202 is a display area of a still image, 203 is a pointer for determining the position on the still image, 301 is incidental information ( indicated by the pointer) ( Data broadcast content) display area 302 is a next screen display arrow indicating that there is a continuation when the supplementary information (data broadcast content) display area 301 cannot be displayed.
[0017]
When a specific location in the still image is indicated by the pointer 203, an explanation of the location indicated by the pointer 203 is displayed in the supplementary information (data broadcast content) display area 301. Here, when there are a lot of explanations and the information cannot be stored in the incidental information (data broadcast content) display area 301, a next screen display arrow 302 indicating that there is a continuation is displayed.
[0018]
<System control procedure>
FIG. 4 is a flowchart showing the flow of system control in the digital broadcast receiver according to the present embodiment.
In the digital broadcast receiver 100 according to the present embodiment, as shown in FIG. 4, when there is an instruction for capturing during viewing of a program (S401), the display area of the currently viewed program is reduced and displayed (S402). The screen is displayed as a still image, and incidental information (data broadcast content) related to the captured screen is stored in the control unit (S403).
[0019]
Subsequently, a pointer for determining the position is displayed on the still image (S404). Here, when the position is fixed by moving the pointer on the still image by the operation of the viewer (S405), the coordinates are read and fixed (S406), and the index information displayed on the screen is fixed (S407).
Subsequently, data matching the determined content is retrieved from the supplementary information (data broadcast content) stored in the control unit 104 (S408), and the search result is displayed in the supplementary information (data broadcast content) display area ( S409).
[0020]
【The invention's effect】
Since the digital broadcast receiver according to the present invention has the above-described configuration, the following effects can be obtained.
That is, according to the digital broadcast receiver according to the present invention, the position on the screen is designated for the still image displayed as a part of the screen, and the incidental information (data broadcast content) regarding the still image at the designated position is displayed. By displaying, desired information regarding the still image displayed on the screen can be obtained while the viewer is watching the program, and the utility value and convenience of the broadcast data can be enhanced.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a schematic configuration of a digital broadcast receiver according to an embodiment of the present invention.
FIG. 2 is a schematic diagram illustrating a specific display example of a still image.
FIG. 3 is a schematic diagram illustrating a specific display example of supplementary information.
FIG. 4 is a flowchart showing a system control flow in the digital broadcast receiver according to the present embodiment.
[Explanation of symbols]
100 Digital Broadcasting Receiver 101 Tuner Unit 102 Demodulation Processing Unit 103 Video / Audio D / A Unit 104 Control Unit 105 Operation Unit 106 Light Receiving Unit 107 Line I / F
201 Display area of program currently being watched 202 Display area of still image 203 Pointer 301 Additional information display area 302 Next screen display arrow

Claims (2)

Receiving means for receiving a digital broadcast signal;
Separation means for separating the received digital broadcast signal into a video signal, an audio signal, and data broadcast content;
Decoding means for performing decoding processing on the separated video signal, audio signal, and data broadcast content;
Conversion means for converting the original video signal and audio signal based on the result of the decoding process;
Output means for outputting the converted video signal and audio signal;
Display means for displaying the output video signal and audio signal;
Control means for inputting the separated data broadcast content;
Instruction means for an operator to instruct the control means ;
In a digital broadcast receiver having
Wherein said control means stores video signals as a still image at the time of an instruction by said instruction means, uptake,
Stores and captures data broadcast content related to the still image , and
Wherein reducing the viewing program display area of the display unit, the empty view numbered sets Display Area Display a still image at the time of performing the instruction by said instruction means, then,
To confirm the pointer position of the displayed still image,
Based on a more definite position coordinates in the pointer position location, the digital broadcast receiver, characterized in that present in the position coordinates, and acquires the data broadcasting contents captured. Said data broadcast content acquired by the data broadcast content acquisition means, the area for displaying at least the viewing program display area and the still image and a data broadcast content display means for displaying a different display area The digital broadcast receiver according to claim 1, wherein:

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