JP2000050179A - Digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display a program guidance screen with an amount of information corresponding to resolution of a receiver which is connected with a digital broadcast receiver by generating program guidance data so that the amount of information per program unit in the program guidance screen becomes larger as the resolution set in the receiver which is connected with the digital broadcast receiver becomes higher. SOLUTION: Program information to be outputted from a digital signal processing part 2 is transmitted to a program information processing part 4. The resolution of the receiver 20 which is connected with the digital broadcast receiver 10 is set in a user setting part 5 by a user. Program guidance screen data with the amount of information corresponding to the resolution of the receiver 20 which is set in the user setting part 5 is generated by the program information processing part 4. Namely, when the resolution which is set in the user setting part 5 is low, the program guidance screen data with a small amount of information per program are generated and when the resolution which is set in the user setting part 5 is high, the program guidance screen data with a large amount of information per program are generated.

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 broadcasting, since the number of channels provided is large, additional information such as program guide information for displaying a program guide screen is transmitted in addition to program broadcast data. The digital broadcast receiver has a function of displaying a program guide screen based on program guide information in order to facilitate program selection.

[0003] In digital broadcasting, the resolution of an image to be broadcast is not limited to one type as in current broadcasting.
It is also conceivable that a plurality of broadcast signals having different resolutions are mixed and transmitted. On the other hand, a receiver having a fixed resolution or a multi-scan receiver having a variable resolution is connected to the digital broadcast receiver.

The amount of information per program on the program guide screen is:
Considering that the program guide screen serves as a reference for purchasing a pay program, the larger the number, the better. However, when a low-resolution receiver is connected to a digital broadcast receiver, if an attempt is made to increase the amount of information per program,
There is a problem that characters become rough and difficult to read. On the other hand, when a multi-scan type receiver is connected to a digital broadcast receiver, the amount of information per program on the program guide screen is changed according to the resolution of the program being broadcast by the receiver. Is preferred.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a digital display capable of displaying a program guide screen having an information amount corresponding to the resolution of a receiver when a receiver having a predetermined resolution is connected. It is intended to provide a broadcast receiver.

According to the present invention, when a multi-scan type receiver capable of adapting to various resolutions is connected, a program guide screen having an information amount corresponding to the resolution of the program being broadcast by the receiver is provided. It is an object of the present invention to provide a digital broadcast receiver capable of displaying a digital broadcast.

[0007]

A first digital broadcast receiver according to the present invention is a digital broadcast receiver for receiving a digital broadcast in which a plurality of types of broadcast signals having different resolutions are mixed and transmitted. Setting means for allowing the user to set the resolution of the receiver connected to the apparatus, and a program for increasing the resolution set by the setting means so that the information amount per program unit on the program guide screen increases. A program guide screen data generating means for generating guide screen data is provided.

A second digital broadcast receiver according to the present invention is connected to a multi-scan type receiver which receives digital broadcasts in which broadcast signals of a plurality of formats having different resolutions are mixed and transmitted, and which can cope with various resolutions. Detecting means for detecting the resolution of a broadcast signal for a currently selected program, and the higher the resolution detected by the detecting means, the more the amount of information per program unit on the program guide screen is increased. As many as
A program guide screen data generating means for generating program guide screen data is provided.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

[1] Description of First Embodiment FIG. 1 shows the configuration of a digital broadcast receiver. Here, the parts related to the audio processing are omitted.

It is assumed that a plurality of broadcast signals of different resolutions are mixed and transmitted from a satellite. The digital broadcast receiver 10 is connected to a receiver 20 having a predetermined resolution. Therefore, various types of broadcast signals
The image is displayed on the receiver 20 at a resolution corresponding to the resolution of the receiver 20.

The digital broadcast receiver 10 includes a tuner unit 1, a digital signal processing unit 2, a video signal processing unit 3,
A program information processing unit 4 and a user setting unit 5 are provided.

The tuner unit 1 comprises a tuner, an IQ detector, a QPSK demodulator and an error corrector. After selecting a desired wave and converting an input signal to baseband, the tuner unit 1 performs demodulation and error correction processing. Output a packet.

The output of the tuner unit 1 is sent to a digital signal processor 2. The digital signal processing unit 2 includes a packet separator,
An AV decoder for decoding audio packets is provided. The video signal output from the digital signal processing unit 2 is
It is sent to the receiver 20 via the video signal processing unit 3.

The program information output from the digital signal processor 2 is sent to a program information processor 4. In the user setting section 5, the resolution of the receiver 20 connected to the digital broadcast receiver 10 is set by the user. Program information processing unit 4
Generates program guide screen data of an information amount according to the resolution of the receiver 20 set in the user setting unit 5.

That is, when the resolution set in the user setting section 5 is low, program guide screen data with a small amount of information per program is generated, and when the resolution set in the user setting section 5 is high, one program The program guide screen data having a large amount of information is generated. The program guide screen data generated by the program information processing unit 4
Is displayed on the receiver 20 on the video of the original program.

FIG. 2 shows an example of a program guide screen displayed on the receiver 20 when the resolution set in the user setting section 5 is low, and FIG. In this case, an example of a program guide screen displayed on the receiver 20 is shown.

[2] Description of Second Embodiment

FIG. 4 shows the configuration of a digital broadcast receiver. 4, the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted.

It is assumed that a plurality of broadcast signals having different resolutions are mixed and transmitted from a satellite. The digital broadcast receiver 110 is connected to a multi-scan receiver 120 that can support various resolutions. Therefore, various types of broadcast signals are displayed on the receiver 120 at a resolution corresponding to the resolution of the broadcast signal.

The resolution detection circuit 6 detects the resolution of the broadcast signal for the currently selected program. The program information processing unit 4 generates program guide screen data according to the resolution of the broadcast signal for the currently selected program detected by the resolution detection circuit 6.

That is, when the resolution of the broadcast signal for the currently selected program detected by the resolution detection circuit 6 is low, program guide screen data having a small amount of information per program is generated. When the resolution of the detected broadcast signal for the currently selected program is high, program guide screen data having a large amount of information per program is generated. The program guide screen data generated by the program information processing unit 4 is sent to the video signal processing unit 3 and is displayed on the receiver 120 on the screen of the original program video.

[0023]

According to the present invention, when a receiver having a predetermined resolution is connected, a program guide screen having an information amount corresponding to the resolution of the receiver can be displayed. .

According to the present invention, when a multi-scan receiver capable of adapting to various resolutions is connected, a program having an information amount corresponding to the resolution of the program being broadcast by the receiver is provided. A guidance screen can be displayed.

[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 program guide screen displayed on a receiver when a resolution set in a user setting unit is low.

FIG. 3 is a schematic diagram illustrating an example of a program guide screen displayed on a receiver when a resolution set in a user setting unit is high.

FIG. 4 is a block diagram showing another example of the digital broadcast receiver.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 tuner unit 2 digital signal processing unit 3 video signal processing unit 4 program information processing unit 5 user setting unit 6 resolution detection circuit 10, 110 digital broadcast receiver 20, 120 receiver

Claims (2)

[Claims] 1. A digital broadcast receiver for receiving a digital broadcast in which a plurality of types of broadcast signals having different resolutions are mixed and transmitted is provided for allowing a user to set a resolution of a receiver connected to the digital broadcast receiver. Setting means, and program guide screen data generating means for generating program guide screen data such that the higher the resolution set by the setting means, the greater the amount of information per program unit on the program guide screen. A digital broadcast receiver. 2. A digital broadcast receiver, which receives a digital broadcast transmitted by mixing broadcast signals of a plurality of formats having different resolutions and is connected to a multi-scan type receiver capable of supporting various resolutions, comprises: Detecting means for detecting a resolution of a broadcast signal for a broadcasted program; and a program guide screen data set such that the higher the resolution detected by the detect means, the larger the amount of information per program unit on the program guide screen. A digital broadcast receiver comprising: a program guide screen data generating means for generating.