JP2002290862A - Digital broadcast reception device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digital broadcast reception device which prevents a user from missing a program that the user periodically views. SOLUTION: A system controller 13 performs processing such as program selection by the user which uses a remote control transmitter 10, etc. Program selection information is stored as program selection history information into a nonvolatile memory 14. According to this program selection history, a program which is periodically viewed is extracted and stored as a 'periodically viewed program' into the nonvolatile memory 14. For the 'periodically viewed program', its broadcasting scheduled date is obtained by an EPG function and compared with the current date and time obtained from a calendar circuit 22; when the dates match each other, a character message generated by an OCD display circuit 12 is outputted on the screen of a CRT 15 so as to exhibit the user that the periodically viewed program is broadcasted today.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art For example, in a digital broadcast receiving system using satellites, a video (audio) signal is compressed using a digital signal compression technique, and a video (audio) digital signal of a plurality of programs is time-division multiplexed into a stream (transformer). Port stream) via a transponder (satellite repeater). On the other hand, a broadcast receiving apparatus that receives such a digital broadcast selects one of a plurality of transponders of the digital broadcast received through a dedicated antenna by a tuner, and selects one of a plurality of channels included in the one transponder. One is selected by demultiplex processing, and a video / audio signal is output by decoding a digital signal of the selected channel.

[0003] By the way, in such digital television broadcasting, in addition to transmitting video and audio in the same manner as conventional analog broadcasting, service information (program name, program content, program start time, program end time, program genre code) is provided. Etc.), and the receiver side uses an EPG (Electroni) using an OSD (On Screen Display) function.
c Program Guide) The screen display function allows the user to select a desired program from the multi-channel broadcast. Then, using the EPG function,
It is possible to make a viewing reservation or a recording reservation by selecting a program to be broadcast on the EPG.

[0004]

However, in order to make the above-mentioned viewing reservation, it is necessary to make a reservation setting on the EPG screen. If the program is broadcast every week, the reservation setting must be made every week. Would. Generally, such setting is performed frequently at the beginning of the purchase of the receiving device, but as the number of times is increased, the setting is gradually forgotten, and a desired program may be missed.

An object of the present invention is to provide a digital broadcast receiving apparatus capable of preventing a user from overlooking a program that he / she regularly watches in view of the above-mentioned circumstances.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a digital broadcast receiving apparatus according to the present invention includes: means for receiving and demodulating digital broadcast waves to output a transport stream; Means for retrieving information; means for judging a program that is regularly watched based on the program selection history by the user; and information indicating that the program is broadcast on the broadcast day of the program that is regularly watched. And information output means for outputting information.

With the above arrangement, even if the user has forgotten to make a reservation for viewing, information indicating that the program being viewed is broadcast on the broadcast day of the program being viewed is output. Misses a program that the user regularly watches.

At the time of viewing, a character message generated by the OSD display circuit may be output on the screen. Also,
At the time of viewing, the voice message generated by the voice synthesis circuit may be output as voice. Further, the light emitting means provided on the front surface of the receiving device main body may be turned on or off when not viewing. Further, when a program that is determined to be watched regularly is not watched, the program may be deleted from the list of programs watched periodically.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described with reference to FIG.
3 will be described with reference to FIG.
(Broadcasting via Satelli
te) A case where digital broadcasting is received is illustrated.

FIG. 1 is a block diagram showing a digital broadcast receiving apparatus 30 of this embodiment for receiving a BS digital broadcast.

The antenna 1 is arranged outdoors in a predetermined direction and receives a digital broadcast signal transmitted from a BS. The antenna 1 generally includes a frequency converter, and supplies a received / frequency-converted signal to a tuner 2.

The tuner 2 extracts a signal of a specific frequency from a high-frequency digital modulation signal including video and audio data. That is, a process of selecting one from a plurality of digital broadcast transponders is performed. Further, the tuner 2 includes a demodulation circuit, a deinterleave circuit, an error correction circuit, and the like, and thereby demodulates the selected digital modulation signal and outputs a transport stream.

The demultiplexer (DEMUX) 3 converts the transport stream received from the tuner 2 into an MPEG2 (Moving Picture Ex
Parts Group 2) video transport packet, audio transport packet, and PS
I / SI (Program Specific Inf)
operation / Service Information
ion). The demultiplexer 3 supplies a video transport packet and an audio transport packet to the AV decoder 4, and supplies PSI / SI to the system controller 13. In addition, as mentioned above,
A plurality of channels are multiplexed in the transport stream, and a process for selecting an arbitrary channel from the plurality of channels is performed based on the PSI / SI.
It becomes possible by extracting data such as whether the data is multiplexed by D. Further, the selection of the transport stream (the selection of the transponder) can also be performed based on the PSI / SI information. Furthermore, SI (service information)
Contains program information (program content, program start time, program continuation time, genre information, etc.).

The AV decoder 4 includes a video decoder for decoding video transport packets and an audio decoder for decoding audio transport packets. The video decoder is
The input variable length code is decoded to obtain a quantization coefficient and a motion vector, and inverse DCT transform and motion compensation control based on the motion vector are performed. The audio decoder generates audio data by decoding the input coded signal. The video data generated by the decoding is output to the video processing circuit 5, and the audio data is output to the audio processing circuit 6.

The video processing circuit 5 receives the video data from the AV decoder 4 and performs D / A conversion.
Convert to a Cr signal. The audio signal processing circuit 6 receives the audio data output from the AV decoder 4, performs D / A conversion, and generates, for example, a right (R) sound analog signal and a left (L) sound analog signal.

The video output circuit 7 converts the YCbCr signal into RG
Convert to B signal, extract sync signal, etc.
T15 is driven. The audio output circuit 8 amplifies the audio signal and outputs it to the speaker 16.

An OSD (on-screen display) circuit 12 generates a video signal based on bitmap data of character information and color information instructed to be output from the system controller 13 and outputs the video signal to the adder 20. The adder 20 performs a process of incorporating the video signal into a reception signal output from the video processing circuit 5. The aforementioned PSI / SI received by the system controller 13 by the OSD circuit 12
EPG (Electr) based on service information contained in
Sonic Program Guide) screen display is realized. Further, the OSD circuit 12, for example, “XX1
A character information output instruction such as “00ch 21:00 to 22:00” is received from the system controller 13, an on-screen process is executed based on the output instruction, and a message is displayed on the screen.

The speech synthesis circuit 21 has, for example, encoded data obtained by compressing and encoding some words uttered by a person, and converts some encoded data based on message creation information from the system controller 13. Select and combine,
By decoding the encoded data of the combined words and converting the signal into an audio signal (D / A conversion), for example, an audio signal such as "a broadcast that is always watched is broadcasted from 9:00 pm on 100 ch" is output as an audio signal. Output to the circuit 8. In addition, since voice synthesis can be performed from character character information, a synthesized voice may be output for a program name or the like extracted from program information.

The remote control transmitter 10 is a transmitter for sending a command to the broadcast receiving device 30. When a key (not shown) provided on the remote control transmitter 10 is operated, a signal light (remote control signal) indicating a command corresponding to the key is transmitted from a light emitting unit (not shown). The remote control light receiver 11 receives the signal light, converts the light into an electric signal, and supplies the electric signal to the system controller 13.

The non-volatile memory 14 stores information used for text messages (program start time, program duration, channel number, etc.), information used for voice messages (encoded data, etc. described above), program selection history Information is stored.

The calendar circuit 22 generates current date and time information and supplies it to the system controller 13. In addition, the set date and time information given from the system controller 13 is compared with the current date and time information, and when the set date and time match the current date and time, an operation command is issued to the LED drive circuit 23a. When receiving the operation command, the LED drive circuit 23a turns on or blinks the LED 23b.

The system controller 13 performs processing such as program selection by the user using the remote control transmitter 10 or the like. The program selection information is stored in the nonvolatile memory 14 as program selection history information. Then, based on the program selection history, a program that is regularly viewed is extracted, and the program is stored in the nonvolatile memory 14 as a “program that is regularly viewed”. With regard to the “program that is regularly watched”, the scheduled broadcast date is obtained by the EPG function, and is compared with the current date and time from the calendar circuit 22. It outputs message information indicating that it will be broadcast.

This message information is stored in the OSD
The text message generated by the display circuit 12 is displayed on the CRT 15
This is done by outputting to the screen. For example, as shown in FIG. 2, “OO 100 ch 2
"1: 00-22: 00". Note that “OO” is a program name. The output timing of the text message is, for example, a fixed time after the power is turned on, a few minutes to a few hours before the “program to be viewed regularly” starts. Furthermore, it may be determined whether or not a commercial is being received, and a text message may be output during the commercial.

The message information includes a voice message generated by the voice synthesis circuit 21 at the time of viewing and listening.
This is performed by outputting a sound from the device 6. For example, as shown in FIG.
will be broadcast on the channel. " When outputting the voice message, it is preferable that the voice output circuit 8 performs a process of automatically lowering the volume of the received broadcast. Furthermore, it may be determined whether or not a commercial is being received, and a voice message may be output during the commercial.

On the other hand, when the system controller 13 is in a non-operating state (when the power is turned off: in a non-viewing state), an LED 23 provided as a light emitting means provided on the front of the receiving apparatus main body.
Lights or blinks. When the system controller 13 is operated, the set date and time information is given to the calendar circuit 22 in advance, and the calendar circuit 22 that is energized even when the power is turned off compares the set date and time information with the current date and time information, and sets the set date and time to the current date and time. When they match, the LED drive circuit 23
a to the LED drive circuit 23a,
3b is turned on or blinked.

FIG. 3 is a flowchart showing an example of a process including extraction of a “program that is regularly watched”. When a program is selected by the user, the program selection information is obtained (step S1) and stored in the nonvolatile memory 14 (step S2). It is determined whether or not the previously watched program has been selected again, and if YES, the flow shifts to the message mode (step S4). That is, it indicates that the program being broadcast is broadcast on the broadcast day of the program that is being viewed regularly. It is determined whether or not the presented program has been selected by the user (step S5).
The program is deleted from the list of “programs that are regularly watched” (step S6).

The program viewing time may be measured, and when the program is watched for a predetermined time or more, the program may be processed so as to be put on a list of “programs to be watched regularly”. When the program has not been watched more than once, the program may be deleted from the list of “programs that are regularly watched”.

[0028]

As described above, according to the present invention, even if the user has forgotten to make a reservation for viewing, information indicating that the program being broadcast is broadcast on the broadcast day of the program being viewed regularly is provided. Since the output is performed, it is possible to reduce the possibility that the user misses a program that the user periodically watches.

[Brief description of the drawings]

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

FIG. 2 is an explanatory diagram showing a character message and the like of the present invention.

FIG. 3 is a flowchart showing an example of processing contents of the present invention.

[Explanation of symbols]

 Reference Signs List 1 antenna 2 tuner 3 demultiplexer (DEMUX) 4 AV decoder 10 remote control transmitter 13 CPU 14 nonvolatile memory

Claims (5)

[Claims] 1. A means for receiving and demodulating a digital broadcast wave to output a transport stream, a means for extracting program information from the transport stream, and a program that is regularly viewed based on a program selection history by a user. A digital broadcast receiving apparatus comprising: means for judging a program; and information output means for outputting information indicating that the program being broadcast is broadcast on the broadcast day of the program being viewed regularly. 2. The digital broadcast receiving apparatus according to claim 1, wherein a text message generated by an OSD display circuit is output on a screen when viewed. 3. The digital broadcast receiving apparatus according to claim 1, wherein a voice message generated by a voice synthesizing circuit is output as a voice during viewing. . 4. The digital broadcast receiving apparatus according to claim 1, wherein a light emitting means provided on a front surface of the receiving apparatus main body is turned on or off when not viewing. Digital broadcast receiver characterized by the following. 5. The digital broadcast receiving apparatus according to claim 1, wherein when a program determined to be regularly watched is not watched, the program that is periodically watched is displayed. A digital broadcast receiving apparatus configured to delete the program from a list.