JPH1198425A - Digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a receiver to surely inform the start of a reserved program by detecting the arrival of a time going back by a prescribed time from the start time of a reserved program based on received reservation data and extracted program information data and informing approach of the broadcast time of the reserved program in voice. SOLUTION: Whether or not program information data are received is discriminated, and in the case of YES, whether or not a current time is before a program whose reservation is set by 5 minutes is discriminated. In the case of discrimination of NO, whether or not the current time comes around a broadcast time of the program whose reservation is set is discriminated. When the broadcast time of the program whose view is reserved comes near, an image and a voice to inform a state of 5 minute before the reservation time are displayed and sounded. Concretely a control signal is fed to a reservation video image generating circuit 8, a reservation voice generating circuit 4 and a selector 5 and a built-in speaker 6 sounds the voice data.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a satellite broadcast wave using a communication satellite or a broadcast satellite, a cable broadcast wave such as a CATV,
Alternatively, the present invention relates to a receiving device for digital broadcasting transmitted by terrestrial waves.

[0002]

2. Description of the Related Art In recent years, digital satellite broadcasting systems using communication satellites have attracted attention as new television broadcasting systems (for example, "Nikkei Electronics" 1996.
9.2 (no.669) pp.149-164). According to the digital satellite broadcasting system, many programs are broadcast by far more channels than the conventional broadcasting system, and each home selects a desired channel from among them and broadcasts on that channel. You can watch the programs that you have.

FIG. 5 shows a configuration of a conventional digital satellite broadcast receiving apparatus. A digital broadcast receiver (20) having a satellite broadcast receiving antenna (21) is used as a terrestrial broadcast receiving antenna (11). Connected to the equipped TV set (1). T
The V set (1) includes a TV receiver (12), a display (13), and a speaker (14), and a digital broadcast received by the digital broadcast receiver (20) is transmitted from the display (13) and the speaker (14). It will be aired. The TV set (1) has a plurality of AV terminals, and includes a digital broadcast receiver (20) and a VTR.
It is possible to connect other AV equipment such as (3).

FIG. 6 shows the configuration of a digital broadcast receiver (20), which includes a tuner (22) and a descrambling circuit (2).
3), demultiplexing circuit (24), decoder (25), video output circuit (2
6) and an audio output circuit (27) are connected in series, and these circuits are connected to a CPU (28) via a bus (7).
The CPU (28) receives an operation signal from a remote controller (hereinafter, referred to as a remote controller) (29), supplies a control signal to each of the circuits, and performs a predetermined operation such as channel selection. The video signal and the audio signal obtained from the video output circuit (26) and the audio output circuit (27) are output to a TV set.

[0005] By the way, digital satellite broadcast waves are multiplexed with program information data of each program being broadcast and scheduled to be broadcast. The program information data includes a channel number, a program number, and a broadcast start time of each program. , Broadcast time and the like. Conventional digital broadcast receiver shown in FIG.
(20) has a viewing reservation function using the above-mentioned program information data, and when viewing reservation data for a desired program is input by operating the remote controller (29), the viewing reservation data and the digital broadcast wave are transmitted. The extracted program information data is periodically compared, and when the broadcast start time of the program reserved for viewing has arrived, a character display for notifying that is superimposed on the video of the broadcast program, and is displayed on the display of the TV set. After the image is displayed, the receiving channel is automatically switched to the channel of the reserved program.

Therefore, the viewer can surely view a desired program by automatically switching channels even while viewing another program. Further, at the time of automatic switching of channels, the effect is displayed as an image, so that switching of channels can be predicted.

[0007]

However, in the satellite broadcast receiving apparatus of FIG. 5 using the conventional digital broadcast receiver (20), when the broadcast start time of the program reserved for viewing arrives, it is indicated on the TV set. If the TV set (1) is displayed on the screen of (1) but has not seen the TV set (1) screen for other work at that time, a part or all of the program is not noticed when the broadcast of the program reserved for viewing is started. Could be overlooked.
Also, when the broadcast start time of the program reserved for viewing arrives while the VTR (3) connected to the TV set (1) is being reproduced or another terrestrial broadcast is being watched, the TV set (1) screen is viewed. However, since the input to the TV receiver (12) has not been switched to the video signal from the digital broadcast receiver (20), the display indicating that the broadcast start time of the program reserved for viewing has arrived is not made. . Further, when the power is not turned on to the TV set (1), the video display itself is impossible.

[0008] It is an object of the present invention to provide a digital broadcast receiving apparatus capable of surely knowing the start of broadcasting of a program when a program viewing reservation is made.

[0009]

A digital broadcast receiving apparatus according to the present invention has, as a general configuration, input means for inputting reservation data for reserving viewing of a desired program, and program information from a received digital broadcast wave. A data extraction means for extracting data, detecting the arrival of the broadcast start time of the reserved program based on the inputted reservation data and the extracted program information data, and switching the reception channel to the channel of the reserved program. Has a function. Further, the digital broadcast receiving apparatus according to the present invention is characterized in that, based on the reservation data input by the input unit and the program information data extracted by the data extraction unit, the broadcast start time of the reserved program is A detection means for detecting the arrival of a time that has been retroactive by a predetermined time, and a notification means for notifying by sound that the broadcast start time of the reserved program is approaching in response to the detection of the detection means.

[0010] In the digital broadcast receiving apparatus of the present invention, when the time which is earlier than the broadcast start time of the reserved program by a predetermined time arrives, it is notified by sound that the broadcast start time of the reserved program is approaching. You. Therefore, when the broadcast start time of the program reserved for viewing is approaching, if the screen is not being viewed for other work, or if another terrestrial broadcast or the like is being viewed on the TV receiver side, the reserved program is not displayed. Is broadcast to the viewer, and the viewer can surely view the reserved program.

In a specific configuration, the digital broadcast receiving apparatus is built in a common housing with a television receiver having a display and a speaker, and the speaker is used as a notifying means. In this case, the notification sound indicating that the broadcast start time of the viewing reservation program is approaching is emitted from the speaker of the television broadcast receiver.

In another specific configuration, the digital broadcast receiving apparatus is housed in a separate housing from a television receiver having a display and a speaker, and has a built-in speaker (6) as a notifying means. And an audio output terminal for supplying an audio signal to a television receiver. In this case, even if the power of the television receiver is not turned on when the broadcast start time of the reserved program is approaching, the built-in speaker (6) of the digital broadcast receiver can be operated and the viewing reservation program can be operated. The notification sound that the broadcast start time is approaching is given by the built-in speaker.
Sound is emitted from (6).

More specifically, a selector (5) capable of switching between two input terminals and two output terminals is provided, and the two input terminals are provided with an audio signal of a received program and a notification means. And the notification voice signal of
The two output terminals are the audio output terminal and the built-in speaker (6).
To each other. According to the specific configuration, the notification sound can be selectively emitted from the speaker of the television receiver and the built-in speaker (6) of the digital broadcast receiver, and an appropriate notification mode according to the situation is adopted. Can be done.

Another digital broadcast receiving apparatus according to the present invention is housed in a separate housing from a television receiver having a display and a speaker, and multiplexes program information data including a broadcast start time of each program. It receives the digital broadcast wave and supplies a video signal and an audio signal to the television receiver. The digital broadcast receiving apparatus has a characteristic configuration, based on the reservation data input by the input unit and the program information data extracted by the data extraction unit, by a predetermined time before the broadcast start time of the reserved program. A detecting means for detecting the arrival of the time, and a notifying means for audibly or visually notifying that the broadcast start time of the reserved program is approaching in response to the detection of the detecting means.

In the digital broadcast receiving apparatus, when the broadcast start time of the reserved program is approaching, the television receiver is switched to a channel other than the digital broadcast, or the power is turned on to the television receiver. Even if it has not been done, the notifying means (display device such as a built-in speaker, LED, etc.) of the digital broadcast receiving device operates to notify that the broadcast start time of the viewing reservation program is approaching.

[0016]

According to the digital broadcast receiving apparatus of the present invention, when a viewing reservation of a desired program is made, the broadcast of the program is started based on the notification that the broadcast start time of the program is approaching. Can be reliably recognized. Therefore, there is no possibility that a desired program is missed.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 shows the configuration of a digital broadcast receiver (2) according to the present invention. The general configuration is the same as the conventional digital broadcast receiver shown in FIG. Are given. The digital broadcast receiver (2) is connected to the TV set (1) shown in FIG.
The program can be viewed on the display (13) and the speaker (14) of the set (1). The digital satellite broadcast wave includes data necessary for viewing reservation, such as time data representing the time at which a signal was received, as well as program information data such as the channel number, program number, broadcast start time, and broadcast time of each program. It is multiplexed.

As shown in FIG. 1, a digital satellite broadcast signal received by a satellite broadcast receiving antenna (21) first receives a tuner (2).
The signal tuned by 2) is supplied to a descrambling circuit (23), and after descrambling, the demultiplexed circuit (24) separates the compressed data for audio and video. . The separated compressed data is supplied to an MPEG decoder (25) and decoded into video data V and audio data A. Video data V
Is converted into an analog video signal via a video output circuit (26) and output to a subsequent circuit.

The reservation output image generation circuit (8) is connected to the image output circuit (26). Reservation notification video generation circuit
In (8), two types of reservation notification character strings indicating that the broadcast start time is 5 minutes before the broadcast reservation time and that the broadcast start time has arrived are stored as video data V '. As will be described later, one of the video data V 'is read from the reservation notification video generation circuit (8) by the control signal S3 from the CPU (28) and supplied to the video output circuit (26). As a result, the reservation notification character string is superimposed on the program video and displayed on the display of the TV set.

On the other hand, the audio data A is connected to one input terminal of a 2-input / 2-output selector (5). The other input terminal of the selector (5) has a reservation notification sound generation circuit.
(4) is connected. In the reservation notification sound generation circuit (4), two types of reservation notification sounds, five minutes before the broadcast start time of the viewing reservation program and that the broadcast start time has arrived, are stored as sound data A ', respectively. As described later, one of the audio data A 'is read from the reservation notification audio generation circuit (4) by the control signal S2 from the CPU (28) and supplied to the selector (5).

An audio output circuit (27) is connected to one output terminal of the selector (5), and a built-in speaker (6) is connected to the other output terminal via a D / A converter (61). I have.
The selector (5) is controlled by a control signal S1 from the CPU (28), and outputs either the audio data A from the decoder (25) or the audio data A 'from the reservation notification audio generation circuit (4). Supply to output circuit (27) or D / A
It can be supplied to the built-in speaker (6) via the converter (61). The audio data obtained from the decoder (25) is supplied to an audio output circuit (27) via a selector (5), converted into an analog audio signal, and output to a subsequent circuit. or,
The voice data A 'from the reservation notification voice generation circuit (4) is
By supplying the signal to the built-in speaker (6) via the A converter (61), the reservation notification sound is emitted from the built-in speaker (6).

In the digital broadcast receiver (2),
By operating the remote controller (29) and inputting the number or the like of a desired program to be viewed, the viewing of the program can be reserved.

FIG. 2 shows a control procedure of the CPU 28 when a viewing reservation is set. First, it is determined in step S1 whether program information data has been received,
If the answer is yes, the process proceeds to step S2, and it is determined whether or not the current time t is 5 minutes before the broadcast start time Ts of the reserved program based on the received program information data.
If the determination is no, the process proceeds to step S4, and it is further determined whether or not the current time t is the broadcast start time Ts of the reserved program.

When it is determined NO in step S4, the process returns to step S2, and the same determination is repeated. After that, the broadcast start time of the program reserved for viewing approaches,
If it is determined YES in step S2, the process proceeds to step S3, and a screen display for notifying "5 minutes before the reserved time" and a voice output are performed. Specifically, control signal S3, S2 and S1 are sent to reservation notification video generation circuit (8), reservation notification voice generation circuit (4) and selector (5) in FIG. The video data V 'of "five minutes before the reservation time" stored in (8) is supplied to the video output circuit (26), while the "reservation time five minutes" stored in the reservation notification sound generation circuit (4) is supplied. Select the previous "voice data V '
The signal is supplied to the D / A converter (61) via (5). As a result, T
On the display of the V set, an image notifying “5 minutes before the reserved time” is displayed superimposed on the image of the program, and a sound notifying the “5 minutes before the reserved time” is output from the built-in speaker (6). Sound is emitted.

Thereafter, when the broadcast start time of the program reserved for viewing arrives, and when the answer is YES in step S4 of FIG. 2, the process shifts to step S5 to display a screen of "arrival of reservation time". And audio output. Specifically, the reservation notification video generation circuit (8) and the reservation notification sound generation circuit of FIG.
The control signals S3, S2 and S1 are sent to the selector (4) and the selector (5), respectively, and the video data V 'of "reservation time has arrived" stored in the reservation notification video generation circuit (8) is output to the video output circuit. On the other hand, the audio data V 'of "arrival of the reservation time" stored in the reservation notification audio generation circuit (4) is supplied to the D / A converter (61) via the selector (5). As a result, on the display of the TV set, an image notifying that "reservation time has arrived" is displayed superimposed on the image of the program, and a sound notifying that "reservation time has arrived" is emitted from the built-in speaker (6). Be sounded.

Subsequently, in step S6 of FIG. 2, the program is switched to the broadcast channel of the program reserved for viewing, and reception of the program is started. Thereafter, the reception state is maintained until the broadcast end time of the program is detected in step S7. As a result, the program reserved for viewing is displayed on the TV set screen.

According to the digital broadcast receiver described above, the fact that the broadcast start time is approaching is notified by video and audio five minutes before the broadcast start time of the program reserved for viewing, so that the viewer can perform other tasks. Even if the user does not look at the screen of the TV set, the user can know that the broadcast of the program reserved for viewing will start, and there is no risk of missing the program. When a VTR connected to a TV set is being played back or another terrestrial broadcast is being watched and the input to the TV receiver is not switched to a video signal from a digital broadcast receiver, the viewing reservation is made. Even when the broadcast start time of the program approaches, the built-in speaker notifies that the broadcast start time of the program reserved for viewing has arrived, so that the viewer can surely view the reserved program. Further, even if the power of the TV set is not turned on, the digital broadcast receiver is operating, so that the notification from the built-in speaker makes it possible to know the approach of the broadcast start time.

FIG. 3 shows the switching mode of the selector (5). In the above example, as shown in FIG.
By the control of the selector (5), a mode is set in which the reservation notification sound is emitted from the built-in speaker (6), and the program sound after the start of program broadcasting is emitted from the speaker of the TV set (1).

On the other hand, in FIG. 3 (b), the reservation notification sound is emitted from the built-in speaker (6), and at the same time, both the program sound and the reservation notification sound are emitted from the speaker of the TV set (1). Mode. If another program is being watched at a high volume until the reserved time, the notification sound from the built-in speaker (6) may be erased by the program sound from the speaker of the TV set. Since the notification sound is also emitted from the speaker, the approaching of the program broadcast start time can be surely known. In this mode, the selector (5) is automatically switched from the state shown in FIG. 3B to the state shown in FIG.

FIG. 3 (c) shows a mode in which both the reservation notification sound and the program sound are emitted from the built-in speaker (6).
According to this mode, the power supply of the TV set (1) is turned off when the broadcast start time of the program reserved for viewing comes.
Of course, even when the reservation notification sound from the built-in speaker (6) is missed, the sound of the reserved program is emitted from the built-in speaker (6), so that the viewer notices the situation quickly and sets the TV set. (1) The power can be turned on, and the reserved program can be viewed.

In the above-described embodiment, the TV set (1) and the digital broadcast receiver (2) are housed in different housings to constitute a separate type digital broadcast receiving apparatus. As described above, the digital broadcast receiving circuit (91) having the same function as the above-described digital broadcast receiver (2) and the TV receiving circuit (92) to which the display (13) and the speaker (14) are connected are shared. It is also possible to constitute an integrated digital broadcast receiving device by housing it in a housing. In this case, the built-in speaker of the above embodiment is omitted, and the reservation notification sound can be emitted from the speaker (14).

The configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims. For example, the fact that the broadcast time of a viewing reservation program is approaching is not limited to the display or speaker,
It is also possible to notify by turning on the LED.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a digital broadcast receiver according to the present invention.

FIG. 2 is a flowchart showing an operation of the digital broadcast receiver when setting a viewing reservation.

FIG. 3 is a diagram illustrating three switching modes of a selector.

FIG. 4 is a block diagram showing another embodiment of the present invention.

FIG. 5 is a block diagram illustrating a configuration of a conventional digital broadcast receiving device.

FIG. 6 is a block diagram illustrating a configuration of a conventional digital broadcast receiver.

[Explanation of symbols]

 (1) TV set (13) Display (14) Speaker (2) Digital broadcast receiver (4) Reservation notification sound generation circuit (5) Selector (6) Built-in speaker

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04H 9/00 H04H 9/00 H04N 7/025 H04N 7/08 A 7/03 7/035

Claims (5)

[Claims] An apparatus for receiving a digital broadcast wave in which program information data including a broadcast start time of each program is multiplexed,
A reservation data input unit for reserving viewing of a desired program; and a data extraction unit for extracting program information data from a received digital broadcast wave. In the digital broadcast receiving apparatus having a viewing reservation function of switching the receiving channel to the channel of the reserved program by detecting the arrival of the broadcast start time of the reserved program, the reservation data input by the input unit and the data extraction unit Based on the received program information data,
Detecting means for detecting the arrival of a time that is a predetermined time earlier than the broadcast start time of the reserved program; and notifying means for notifying by sound that the broadcast start time of the reserved program is approaching in response to the detection of the detecting means. A digital broadcast receiving device comprising: 2. The digital broadcast receiving apparatus according to claim 1, wherein the digital broadcast receiving apparatus is housed in a common housing with a television receiving apparatus including a display and a speaker, and the speaker is used as a notification unit. 3. A television receiver having a display and a speaker, which is housed in a separate housing from the television receiver and has a built-in speaker (6) as a notifying means and supplies an audio signal to the television receiver. 2. The digital broadcast receiving apparatus according to claim 1, further comprising an audio output terminal. 4. A selector (5) capable of switching operation between two input terminals and two output terminals, wherein two input terminals are provided with an audio signal of a received program and a notification audio signal of notification means. 4. The digital broadcast receiving apparatus according to claim 3, wherein each of the input terminals is input, and two output terminals are respectively connected to the audio output terminal and the built-in speaker (6). 5. A television set, which is incorporated in a housing separate from a television receiver having a display and a speaker and receives digital broadcast waves multiplexed with program information data including a broadcast start time of each program, and A digital broadcast receiving apparatus for supplying a video signal and an audio signal to an image receiving apparatus, wherein input means for inputting reservation data for reserving viewing of a desired program, and extracting program information data from the received digital broadcast wave A data extraction means for detecting the arrival of the broadcast start time of the reserved program based on the inputted reservation data and the extracted program information data, and having a viewing reservation function of switching the reception channel to the channel of the reserved program. In the digital broadcast receiving apparatus, the reservation data input by the input unit and the program information data extracted by the data extraction unit Based on the door,
Detecting means for detecting the arrival of a time that is a predetermined time earlier than the broadcast start time of the reserved program; and audibly or visually detecting that the broadcast start time of the reserved program is approaching in response to the detection of the detection means. A digital broadcast receiving device comprising: a notifying unit for notifying.