JPH1127592A - Satellite broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a satellite broadcast receiver, in which a reception channel is selected by a driver of a travelling object without losing in driving concentration to the driver. SOLUTION: In the case of switching over a reception channel, the driver speaks a switches over a channel which he desires to be selected. Then the voice is given to a control section 10 from a microphone 5, then a voice recognition means 10b recognizes the voice, a channel control means 10d controls a reception section 2, to switch over the reception channel depending on the result of the recognition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a satellite broadcast receiving apparatus for receiving a digital broadcast provided by using a geostationary satellite arranged in a geosynchronous orbit above the equator.

[0002]

2. Description of the Related Art Recently, satellite broadcasting has been started in addition to terrestrial broadcasting with the demand for diversification of broadcasting services and development of communication technology, and digitalization of transmission systems has been realized. Since satellite broadcasting can provide services to a wide range of areas without having to construct extensive infrastructure on the ground, it has been attracting attention as a medium that can respond to further needs.

[0003] Conventional satellite broadcasting systems in Japan include BS (Broadcasting Satellite) broadcasting,
CS (Communication Satellite) broadcasting has already been put into practical use, and digital broadcasting has also started. This digital system of almost the same size even in other countries
In broadcasting, the number of channels of a program is as high as several hundreds, many programs are broadcast according to user's taste, and various program selections not available in terrestrial broadcasting can be performed.

[0004] Recently, satellite broadcast receivers for receiving the above-mentioned satellite broadcasts at mobile bodies such as automobiles have been actively developed.
However, in the case of watching satellite broadcasts on a mobile body such as a car, the driver must switch the reception channel from a large number of channels as described above. May be distracted and cause a traffic accident.

[0005] In order to avoid such dangers, various danger prevention methods have been conventionally proposed. However, the decisive ones cry and receive signals without distracting the driver's attention to driving. There has been a keen need for the development of a satellite broadcast receiver capable of switching channels.

[0006] In addition, giving a stimulus to a driver by music or the like may contribute to prevention of drowsy driving. However, depending on the degree of fatigue of the driver, etc., it is difficult to listen to monotonous music. On the contrary, sleep was invited, and there was a possibility that the effect would be adverse. This problem is common not only to automobiles but also to those operating various moving objects.

[0007]

As described above, the conventional satellite broadcast receiving apparatus has a problem that the driver's attention is distracted at the time of selecting the switching of the receiving channel, which may cause an accident. was there. In addition, there is a problem in that listening to music while driving may instead induce sleep and cause dangers such as drowsy driving.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problem, and provides a satellite broadcast receiving apparatus which enables a driver of a mobile body to switch a receiving channel without distracting attention to driving. The purpose is to do. It is another object of the present invention to provide a satellite broadcast receiving apparatus capable of preventing a traffic accident by switching a receiving channel according to a driver's fatigue state.

[0009]

In order to achieve the above object, a satellite broadcast receiving apparatus according to the present invention is a satellite broadcast receiving apparatus for receiving digital broadcast using a geostationary satellite arranged in a geostationary orbit above the equator. A microphone for converting a user's voice into an electrical signal, a voice recognition unit for recognizing a channel specified by the user from the electrical signal obtained from the microphone, and a broadcast signal transmitted from a geostationary satellite. And a receiving means for receiving the channel recognized by the voice recognizing means.

In the satellite broadcast receiving apparatus having the above configuration, when the user wants to switch the channel to be received, the user specifies the channel by voice through the microphone, the voice recognition means recognizes this, and the receiving means inputs the voice by the user. I try to receive the channel.

[0011] Therefore, according to the satellite broadcast receiving apparatus having the above-described configuration, the receiving channel can be easily switched by voice input, so that the receiving channel can be switched without distracting attention to driving.

Further, in the present invention, the voiceprint data storage means for storing voiceprint data of a specific user and the electric signal obtained from the microphone are compared with the voiceprint data recorded in the voiceprint data storage means so that the user can specify the voiceprint data. Specific user identification means for identifying whether or not the user is a user, if the receiving means receives a predetermined channel, only if the user is identified as a specific user by the specific user identification means I try to receive.

Therefore, according to the satellite broadcast receiving apparatus having the above-described configuration, when a predetermined channel is received, authentication based on a voiceprint is performed, and only a specific user can specify reception.

Further, a satellite broadcast receiving apparatus according to the present invention is a satellite broadcast receiving apparatus for receiving a digital broadcast using a geostationary satellite arranged in a geosynchronous orbit above the equator.
Fatigue state estimating means for detecting the fatigue state of the driver of the moving body from the moving state of the moving body equipped with the satellite broadcast receiving device, and among the broadcast signals transmitted from the geostationary satellite, the fatigue state estimating means A receiving means for receiving a channel corresponding to the detected fatigue state is provided.

[0015] In the satellite broadcast receiving apparatus having the above configuration, the fatigue state of the driver is detected from the moving state of the moving body, and a channel corresponding to the detection result is received.
When the driver is tired, by setting to receive a channel that prevents dozing, the driver can be awakened and a traffic accident or the like can be prevented.

Further, a satellite broadcast receiving apparatus according to the present invention is a satellite broadcast receiving apparatus for receiving a digital broadcast using a geostationary satellite arranged in a geosynchronous orbit above the equator, comprising: clock means for controlling time; Channels received by the satellite broadcast receiving device, viewing data detection means for detecting the time of reception, an interface capable of connecting a recording medium capable of reading and writing data, and a recording medium connected to the interface. Thus, the apparatus is provided with a viewing data recording control means for recording the reception channel detected by the viewing data detection means and the time corresponding to the reception channel.

In the satellite broadcast receiving apparatus having the above-described configuration, information on the received channel and information on the reception time are recorded on a recording medium connected to the interface.

Therefore, according to the satellite broadcast receiving apparatus having the above configuration, in the case of a pay-as-you-go system in which the reception fee is charged according to the viewing time, the business operator can charge the fee based on the data recorded on the recording medium. In addition to being able to make a request, it is possible to collect audience rating survey data when a reception fee is collected.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a configuration of a satellite broadcast receiving apparatus according to an embodiment of the present invention.

The satellite broadcast receiving apparatus includes an antenna 1, a receiving unit 2, and a video output interface (hereinafter, video output I).
/ F), a screen input unit 4, a microphone (M) 5, a running state detection unit 6, a card storage unit 7, a timer 8, a storage unit 9, and a control unit 10.

A broadcast signal in which a plurality of channels are multiplexed by a geostationary satellite is received by an antenna 1 and input to a receiver 2. The receiving unit 2 demodulates a broadcast signal of a channel designated by the control unit 10 described later among the multiplexed broadcast signals and reproduces the demodulated broadcast signal as a video signal (video signal) and an audio signal (not shown). Input to the output I / F3. The video output I / F 3 is a video output terminal to which, for example, a vehicle-mounted liquid crystal monitor can be connected.

The screen input unit 4 is a touch screen panel which is provided on a display screen of a monitor connected to the video output I / F 3 and is composed of an image transmitting type piezoelectric element. This is an input device for specifying a display area of the monitor and specifying a reception channel for the satellite broadcast receiving apparatus. The information input from the screen input unit 4 is input to the control unit 10.

The microphone 5 is installed on, for example, a sun visor or a dashboard in the vehicle, and collects a driver's voice, converts the collected voice into an electric signal, and converts the collected voice into an electric signal.
To enter.

The running state detector 6 is a sensor for detecting the accelerator opening, steering wheel angle, and brake depression force of the vehicle. The detected information is input to the controller 10 and obtained from the controller of the vehicle. The input vehicle speed pulse is input to the control unit 10 as information on the traveling speed.

The card storage section 7 comprises a card interface (hereinafter abbreviated as a card I / F) 71 and a memory card 72. The card I / F 71 is a card slot to which the memory card 72 is electrically connected, and electrically connects the control unit 10 and the memory card 72.

The memory card 72 is a card-type storage medium having a built-in semiconductor memory such as a flash memory. The storage medium includes information on a channel permitted to be received by a satellite broadcaster and a channel viewed by a user. Information and reception time are recorded, and the card I / F 7
1 is removable. The timer 8 controls time and notifies the control unit 10 of the current time.

The storage unit 9 is a semiconductor storage medium such as a RAM or a ROM, for example, and has an area for storing various control programs of the control unit 10, an ID number of the own device, program data preset by a user, and the like. , An audio data storage area 9a and a program data storage area 9b.

The voice data storage area 9a recognizes voice data (voice print data) for identifying a specific user and voice data of the user input from the microphone 5 as predetermined command data such as a reception channel switching instruction. In order to improve the voice recognition accuracy of such voice data, voice data previously input by a user is stored in association with the above-described command data. It is an area to do.

The program data storage area 9b stores data for storing information on channels receivable by the satellite broadcast receiving apparatus in a hierarchy for each category or genre as shown in FIG.

The program data storage area 9b stores program information (reception channel) corresponding to an estimation result of the driver's fatigue state described later, for example, it is estimated that the user is tired and sleepy. In some cases, a program that wakes up the user, such as a program that broadcasts intense music, is set in advance.

The control section 10 controls the respective sections of the satellite broadcast receiving apparatus, and controls the receiving section 2 according to the information input from the screen input section 4 and the time information from the timer 8. In addition to having a control function of controlling and switching a receiving channel, a specific user identification unit 10a, a voice recognition unit 10b, a driver state estimation unit 10c, a channel control unit 10d, and a viewing data recording control unit 1
0e.

The specific user identification means 10a fetches voiceprint data of a specific user from the microphone 5 in advance,
Control for recording in the audio data storage area 9a is performed. When the user performs a specific function (such as receiving a specific channel or changing the storage content of the storage unit 9) of the satellite broadcast receiving apparatus, the user's voice data input from the microphone 5; The voice data storage area 9
The authentication process is performed to determine whether or not the user is a specific user by comparing the voice print data stored in a.

The voice recognition means 10b recognizes user voice data input from the microphone 5 as predetermined command data using data stored in the voice data storage area 9a.

The driver state estimating means 10c analyzes the driving time and the deterioration of the driving ability based on various data detected by the driving state detecting section 6 and estimates the driver's fatigue state.

The channel control means 10d controls the switching of the receiving channel in accordance with the command recognized by the voice recognition means 10b, and performs the operation when the driver is presumed to be in a fatigue state by the driver state estimation means 10c. The switching of the receiving channel is controlled so as to receive the program stored in the program data storage area 9b.

Note that the channels that can be received by this channel control are the reception channels stored in the memory card 72. For the reception channels that are permitted to be received only by a specific user, the specific user identification before the reception is performed. An authentication process is performed by the means 10a.

The viewing data recording control means 10e stores the data of the channel received by the satellite broadcasting receiver,
The time at which this reception was performed is obtained from the time information from the timer 8, and control for recording these data in the memory card 72 is performed.

As described above, in the satellite broadcast receiving apparatus having the above configuration, when the receiving channel is switched, when the driver switches and pronounces the channel number or the like to be received, the sound is input from the microphone 5 to the control unit 10. Is done.

Then, the voice recognition means 10b recognizes the voice, and according to the recognition result, the channel control means 10b.
d controls the receiving unit 2 to switch the receiving channel. When the receiving channel is specified, the receiving channel is visually represented hierarchically for each category or genre.

Therefore, according to the satellite broadcast receiving apparatus having the above structure, the driver can easily switch the receiving channel by voice from the receiving channel group represented hierarchically, so that the driver is not distracted from driving. The receiving channel can be switched.

Further, in the satellite broadcast receiving apparatus having the above configuration,
The driver's fatigue state is estimated by the driver state estimation unit 10c based on the information detected by the traveling state detection unit 6, and the channel control unit 10d controls the reception unit 2 based on the estimation result. For example, the channel is switched to a receiving channel that broadcasts intense music.

Therefore, according to the satellite broadcast receiving apparatus having the above-described configuration, the fatigue state of the driver is estimated by various sensors, and when it is estimated that the driver is tired, the driver is prevented from falling asleep. Switching to a contributing (wake up) reception channel can wake up the driver and prevent traffic accidents.

Further, in the satellite broadcast receiving apparatus having the above configuration, the channel information received by the viewing data recording control means 10e and the viewing time information are stored in the memory card 72 which can be used for charging the reception fee. It is recorded. Therefore, the user can not only easily pay the reception fee, but also can collect the survey data of the audience rating at the time of collecting the reception fee.

The present invention is not limited to the above embodiment, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0045]

As described above, according to the present invention, when the user wants to switch the receiving channel, the user specifies the channel by voice through the microphone, the voice recognizing means recognizes this, and the receiving means allows the user to specify the channel. Receives voice input channels.

Therefore, according to the present invention, since the receiving channel can be easily switched by voice input, a satellite broadcast receiving apparatus capable of switching the receiving channel without distracting attention to driving is provided. Can be provided.

Further, according to the present invention, the fatigue state of the driver is detected from the moving state of the moving body, and a channel corresponding to the detection result is received. Therefore, according to the present invention, when the driver is presumed to be in a tired state, the driver is awakened by setting to receive a channel that prevents falling asleep, thereby preventing a traffic accident and the like. It is possible to provide a satellite broadcast receiving apparatus capable of performing the above.

[Brief description of the drawings]

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

FIG. 2 is a diagram showing a display example of a hierarchical reception channel selection screen stored in a program data storage area of the satellite broadcast receiving device shown in FIG. 1;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Antenna 2 ... Receiving part 3 ... Video output interface (video output I / F) 4 ... Screen input part 5 ... Microphone (M) 6 ... Running state detection part 7 ... Card storage part 71 ... Card interface (hereinafter, card I) / F) 72 Memory card 8 Timer 9 Storage unit 9a Voice data storage area 9b Program data storage area 10 Control unit 10a Specific user identification means 10b Voice recognition means 10c Driver state estimation Means 10d Channel control means 10e Viewing data recording control means

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yoichi Koishi 1 Kosuka Toshiba-cho, Saiwai-ku, Kawasaki-shi, Kanagawa Inside Toshiba Komukai Plant

Claims (4)

[Claims] 1. A satellite broadcast receiving apparatus for receiving a digital broadcast using a geosynchronous satellite arranged in a geosynchronous orbit above the equator, comprising: a microphone for converting a user's voice into an electric signal; Voice recognition means for recognizing a channel specified by a user from an electric signal; and reception means for receiving a channel recognized by the voice recognition means in a broadcast signal transmitted from the geostationary satellite. Characteristic satellite broadcasting receiver. 2. A voiceprint data storage means for storing voiceprint data of a specific user; and comparing an electric signal obtained from the microphone with voiceprint data recorded in the voiceprint data storage means to determine whether the user is a specific user. Specific user identification means for identifying whether or not is, when receiving a predetermined channel, only when the user is identified as a specific user by the specific user identification means The satellite broadcast receiving device according to claim 1, wherein reception is performed. 3. A satellite broadcast receiving apparatus for receiving a digital broadcast using a geostationary satellite arranged in a geosynchronous orbit above the equator, wherein the moving state of the moving body on which the satellite broadcasting receiving apparatus is mounted is determined. Fatigue state estimating means for detecting the fatigue state of the driver, and receiving means for receiving a channel corresponding to the fatigue state detected by the fatigue state estimating means among broadcast signals transmitted from the geostationary satellite. A satellite broadcast receiving device characterized by the following. 4. A satellite broadcast receiving apparatus for receiving digital broadcasting using a geostationary satellite arranged in a geosynchronous orbit above the equator, comprising: clock means for controlling time; and a channel received by the satellite broadcast receiving apparatus. A viewing data detecting means for detecting the reception time, an interface capable of connecting a recording medium capable of reading and writing data, and a recording medium connected to the interface.
A satellite broadcast receiving apparatus comprising: a viewing data recording control unit that records the reception channel detected by the viewing data detection unit and the time corresponding to the reception channel.