JP2001258007A - Information card for receiving broadcast and digital broadcast receiver - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a information card for receiving broadcast and a digital broadcast receiver by which each user can realize viewing by its own preferred setting, without requiring troublesome operations. SOLUTION: An IC card 16A (16B, 16C) stores information to allow the digital broadcast receiver 30 to regulate output video image and/or output sound, information used for selecting/acquiring information required to generate an EPG menu, and personal information such as information or the like related to program reservation in addition to information required for viewing a pay digital broadcast program. A system controller 13 reads personal information set by a user from an IC card, loaded to a CA module 16 and conducts processing utilizing the personal information such as video image adjustment, audio adjustment, EPG menu generating processing, and reserved program reception processing on the basis of program reservation setting contents.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a broadcast receiving information card required for viewing pay digital broadcasting and a digital broadcast receiving apparatus in which the card is set.

[0002]

2. Description of the Related Art Image compression using digital signal compression technology
There is digital broadcasting that compresses audio signals and broadcasts a stream (transport stream) obtained by time-division multiplexing of video and audio digital signals of a plurality of programs via a transponder (satellite repeater). On the other hand, a broadcast receiving apparatus that receives such a digital multi-channel broadcast selects one of a plurality of transponders of the digital broadcast received through a dedicated antenna by a tuner, and selects a plurality of channels included in the one transponder. One of them is selected by demultiplex processing, and a video / audio signal is output by decoding a digital signal of the selected channel.

[0003]

However, since the digital broadcast receiving apparatus receives pay broadcasts in principle, key information for enabling viewing of pay programs and a PPV (pay-per-pay) which is charged for each program. (View) It is necessary to load an IC card in which program purchase history information and the like are stored. In the future, with the spread of digital broadcast receivers and the personalization of each person as in the case of conventional television broadcast receivers, there will be multiple digital broadcast receivers in the home and Own IC
It is thought that a form of possessing a card will be born. In such a form, for example, a child uses a digital broadcast receiver in a children's room for learning, and removes a child-specific IC card loaded in the receiver and installs the digital broadcast receiver in a living room. It is conceivable to set the device and watch a program on a large screen.

On the other hand, in a conventional television broadcast receiving apparatus, information set by a user (for example, image quality adjustment, volume adjustment, timer setting, etc.) is stored in a storage device (non-volatile memory) built in the main body of the receiving apparatus. Is done. In addition, the setting is usually one. When a plurality of users use one receiver, it is necessary for each user to reset the setting contents to his or her preference every time the user views.

The present invention has been made in view of the above circumstances, and provides a broadcast receiving information card and a digital broadcast receiving apparatus which enable each user to realize viewing and listening according to his / her favorite setting without requiring cumbersome operation. The purpose is to do.

[0006]

In order to solve the above-mentioned problems, a digital broadcast receiving apparatus according to the present invention has at least a first part required to view pay digital broadcasts.
Is configured to store the second information for adjusting the output video and / or output audio in the digital broadcast receiving apparatus in which the card is loaded. It is characterized by having.

[0007] With the above arrangement, each user has his own card and sets the card in the digital broadcast receiving apparatus so that images and / or pictures set according to his / her age or as his / her preference are set. Audio (for example, low brightness and low volume) is output from the digital broadcast receiving apparatus.

A digital broadcast receiving apparatus according to the present invention is a digital broadcast receiving information card in which at least first information necessary for viewing pay digital broadcasts is stored. The receiver is configured to store second information related to generation of an EPG screen in the receiving device.

With the above arrangement, each user has his / her own card, and sets this card in the digital broadcast receiving apparatus to set a program that belongs to the genre based on, for example, the genre set as his / her preference. Is output from the digital broadcast receiving apparatus.

A digital broadcast receiving apparatus according to the present invention is a digital broadcast receiving information card in which at least first information necessary for viewing pay digital broadcasts is stored. The receiver is configured to store second information related to program reservation in the receiving device.

With the above arrangement, each user has his own card and sets the card in the digital broadcast receiving apparatus to set a program reserved as his / her preference (for example, broadcast from 10 o'clock every Sunday). To be executed) is output from the digital broadcast receiving apparatus.

A digital broadcast receiving apparatus according to the present invention is a digital broadcast receiving apparatus in which any one of the above-mentioned broadcast receiving information cards is set, wherein information input by a user is used as second information. Information writing means for writing to the broadcast receiving information card, and processing means for executing processing using the second information read from the broadcast receiving information card are provided.

Further, the broadcast receiving information card of the present invention is a broadcast receiving information card storing at least information necessary for viewing pay digital broadcasting, in which specific information of a card holder is stored. It is characterized by having been constituted as follows. Then, the digital broadcast receiving apparatus of the present invention in which the broadcast receiving information card is set, a user information storage means for storing a plurality of sets of the specific information and the detailed information of the card holder, and Processing means for reading out the specific information and executing a process using the detailed information of the card holder specified by the specific information.

Further, in the above configuration, there is a configuration in which output video and / or output audio are adjusted using the detailed information of the card holder specified by the specific information. Also,
There is a configuration in which information necessary for generating an EPG screen is selectively obtained using detailed information of a card holder specified by specific information. Further, there is a configuration in which a reserved program is received by using detailed information of a card holder specified by the specific information.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) Hereinafter, an embodiment of the present invention will be described with reference to FIG. 1 and FIG. 2. In this embodiment, a user (BS) receives a broadcast (via broadcasting).
(Satellite) digital broadcast is received.

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 the 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 containing 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 transport group 2) video transport packet, audio transport packet, and P
SI (Program Specific Information)
mate). The demultiplexer 3 supplies a video transport packet and an audio transport packet to the AV decoder 4, and supplies service information and the like included in the PSI to the system controller 13. As described above, a plurality of channels are multiplexed in the transport stream, and a process for selecting an arbitrary channel from among the channels is performed by the P
This can be achieved by extracting data such as which packet ID a given channel is multiplexed in the transport stream from the SI. Also, the selection of the transport stream (transponder selection) is P
It can be performed based on SI information. Further, the service information includes program information (program contents, program start time,
Program end 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 video data from the AV decoder 4, performs D / A conversion, and generates a color signal and a synchronization signal to be supplied to the monitor 7. Audio signal processing circuit 6
Receives audio data output from the AV decoder 4 and performs D / A conversion to generate, for example, a right (R) sound analog signal and a left (L) sound analog signal.

An OSD (on-screen display) display circuit 12 outputs bitmap data based on the character information instructed by the system controller 13 to output to the video processing circuit 5. The video processing circuit 5 performs a process of incorporating the bitmap data into a video signal. OS above
The D display circuit 12 controls the EPG (Electronic Program Gu) based on the service information included in the PSI received by the system controller 13.
ide) In addition to screen display, display of various menu screens is realized.

The IC cards 16A (16B, 16C)
Key information for enabling viewing of a pay program, purchase history information of a pay-per-view (PPV) program to be charged for each program, and the like are stored. Here, for example, the husband has the IC card 16A as his own card, his wife has the IC card 16B as his own card, and his child has the IC card 16C as his own card. The CA module 16 includes a system controller 13 and an IC card 16A.
Write processing and read processing of various information are performed with (16B, 16C). The various information includes key information and purchase history information required for viewing pay digital broadcasting, as well as personal information of the card holder (various information set individually, age information, etc.). FIG. 2 shows an IC card 16A (16B, 1B).
6C) schematically shows an example of information storage contents.

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 system controller 13 performs various processes based on a user operation using the remote control transmitter 10 or the like. Then, for example, the following processing is performed as processing according to the present invention.

[0026] Using the OSD function, "input user information" is displayed as an operation item on the menu screen. When this display portion is selected by the user, items of “video setting”, “audio setting”, “EPG setting”, “program reservation setting”, and “age input” are displayed.

[0027] When the user selects the “Video Settings” item, the “Tint Settings”, “Brightness Settings”
Bars such as "color depth setting" and "outline emphasis setting" are displayed together with the video. The user can set preferences for each image adjustment item by operating a predetermined key. The system controller 13 stores the set content (video position) as personal information in an IC card loaded in the CA module 16.

[0028] When the user selects the item "audio setting", bars such as "volume" and "audio balance" are displayed. The user can set preferences for each audio adjustment item by operating a predetermined key. The system controller 13 uses the set contents as personal information in the IC loaded in the CA module 16.
Store on card.

[0029] When the item "EPG setting" is selected by the user, genre items such as "sports", "news", "Japanese movie", "foreign movie", and "music" are displayed. The user can select one or a plurality of genre items by operating a predetermined key. The system controller 13 stores the selected genre item as personal information in the IC card loaded in the CA module 16.

[0030] When the "program reservation setting" item is selected by the user, an input screen for registration of date and time, an input screen for registration of day of the week, and the like are displayed. The user can input the viewing reservation date and time by operating the remote control transmitter 10 while viewing this screen. The system controller 13 uses the selected date and time and day of the week as C
The data is stored in the IC card loaded in the A module 16.

[0031] When the "age input" item is selected by the user, an age input screen is displayed. The user can input the age by operating the remote control transmitter 10. The system controller 13 stores the input age as personal information in an IC card loaded in the CA module 16.

[0032] The system controller 13 reads the personal information set by the user from the IC card loaded in the CA module 16, and executes a process using the personal information. The processing using personal information includes image adjustment such as “hue”, “brightness”, “color saturation”, and “contour emphasis” set by the user, “volume” and “voice balance” set by the user. ”, Optimization of video based on input age, optimization of frequency characteristics of audio output, generation processing of EPG screen based on input age (children are written in hiragana, etc.), The processing includes a process of selectively acquiring program information belonging to a genre set by the user to generate an EPG screen, a process of receiving a reserved program based on program reservation settings, and the like.

(Embodiment 2) Next, a second embodiment of the present invention will be described with reference to FIG. Note that, for convenience of description, description will be made with reference to FIG. 1 used in the first embodiment.

In the first embodiment, personal information is stored in the IC card, whereas in the second embodiment, personal identification information (ID number) is stored in the IC card, and specific personal information is stored. Is the nonvolatile memory 15 of the receiving device 30 (FIG. 1)
Reference).

FIG. 3A schematically shows the information storage contents of the IC card 26A. “1” is assigned to the IC card 26A as an ID. FIG. 2B schematically shows the information storage contents of the nonvolatile memory 15. In the example of this figure, the ID number “1” of the IC card 26A and the IC card 2
For the ID number "2" of the 6B and the ID number "3" of the IC card 26C, various information of audio / image quality, timer information, genre information for EPG acquisition, and the like are stored.

In this embodiment, the system controller 1
3 performs the following processing.

[0037] Using the OSD function, "input user information" is displayed as an operation item on the menu screen. When this display portion is selected by the user, items of "video setting", "audio setting", "EPG setting", "program reservation setting", and "age input" are displayed.

[0038] When the user selects the “Video Settings” item, the “Tint Settings”, “Brightness Settings”
Bars such as "color depth setting" and "outline emphasis setting" are displayed together with the video. The user can set preferences for each image adjustment item by operating a predetermined key. The system controller 13 includes a CA module 16
The ID number is obtained from the IC card loaded in the non-volatile memory 15 and the set contents (video position) are stored in the corresponding ID area of the nonvolatile memory 15 as personal information.

[0039] When the user selects the item "audio setting", bars such as "volume" and "audio balance" are displayed. The user can set preferences for each audio adjustment item by operating a predetermined key. The system controller 13 includes a CA module 16
The ID number is acquired from the IC card loaded in the non-volatile memory 15 and the set contents are stored in the corresponding ID area of the nonvolatile memory 15 as personal information.

[0040] When the item "EPG setting" is selected by the user, genre items such as "sports", "news", "Japanese movie", "foreign movie", and "music" are displayed. The user can select one or a plurality of genre items by operating a predetermined key. The system controller 13 obtains the ID number from the IC card loaded in the CA module 16 and uses the selected genre item as personal information as the nonvolatile memory 15.
In the corresponding ID area.

[0041] When the "program reservation setting" item is selected by the user, an input screen for registration of date and time, an input screen for registration of day of the week, and the like are displayed. The user can input the viewing reservation date and time by operating the remote control transmitter 10 while viewing this screen. The system controller 13 is an IC mounted on the CA module 16.
The ID number is obtained from the card, and the selected date and time and day of the week are used as personal information as the corresponding
Store in the D area.

[0042] When the "age input" item is selected by the user, an age input screen is displayed. The user can input the age by operating the remote control transmitter 10. The system controller 13 acquires the ID number from the IC card loaded in the CA module 16 and stores the input age as personal information in the corresponding ID area of the nonvolatile memory 15.

. The system controller 13 obtains an ID number from the IC card loaded in the CA module 16, reads personal information set by the user from the nonvolatile memory 15 based on the ID number, and performs processing using the personal information. Execute The processing using personal information includes image adjustment such as “hue”, “brightness”, “color saturation”, and “contour emphasis” set by the user, “volume” and “voice balance” set by the user. ”, Optimization of video based on input age, optimization of frequency characteristics of audio output, generation processing of EPG screen based on input age (children are written in hiragana, etc.), The processing includes a process of selectively acquiring program information belonging to a genre set by the user to generate an EPG screen, a process of receiving a reserved program based on program reservation settings, and the like.

In the above embodiment, the case where the user watches BS digital broadcast is described as an example, but the present invention is not limited to this.

[0045]

As described above, according to the present invention, for example, each person in a household has his / her own broadcast receiving information card and sets it in a digital broadcast receiving apparatus. There is an effect that, for example, viewing by the user's favorite setting or video / audio suitable for age can be performed without a troublesome operation by a person.

[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 schematically showing information storage contents of the IC card according to the first embodiment of the present invention.

FIG. 3A is an explanatory diagram schematically showing information storage contents of an IC card according to a second embodiment, and FIG.
FIG. 4 is an explanatory diagram schematically showing information storage contents of a nonvolatile memory.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Antenna 2 Tuner 3 Demultiplexer (DEMUX) 4 AV decoder 9 AV output terminal 10 Remote control transmitter 12 OSD display circuit 13 System controller 15 Nonvolatile memory 16 CA module 16A, 16B, 16C IC card 26A, 26B, 26C IC card

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04L 9/32 H04N 5/445 Z H04N 5/445 H04L 9/00 673E 7/025 H04N 7/08 A 7 / 03 7/035 F term (reference) 5C025 AA28 BA27 BA28 CA02 CA09 CB08 CB09 DA04 5C063 AA01 AB03 AC01 CA23 CA29 CA36 DA03 DA13 5C064 BA01 BB05 BB07 BC18 BC23 BD02 BD08 BD14 5J104 AA07 BA03 KA01 NA35 PA11 ABB10 DD11 FF11 HH08 JJ00 JJ03 JJ06 JJ07

Claims (9)

[Claims] 1. A broadcast receiving information card in which at least first information required to view pay digital broadcasting is stored, wherein an output video and / or output of a digital broadcast receiving apparatus into which the card is loaded. An information card for broadcast reception, characterized in that second information for adjusting sound is stored. 2. A broadcast receiving information card in which at least first information required for viewing pay digital broadcasting is stored, which is related to generation of an EPG screen in a digital broadcast receiving apparatus into which the card is loaded. Second
The broadcast receiving information card is configured to store the following information. 3. A broadcast receiving information card in which at least first information required to view pay digital broadcasting is stored, wherein a second information related to program reservation in a digital broadcast receiving apparatus into which the card is loaded. The broadcast receiving information card is configured to store the following information. 4. A digital broadcast receiving apparatus to which the broadcast information card according to claim 1 is set, wherein information input by a user is used as the second information for broadcast reception. A digital broadcast receiving apparatus comprising: an information writing unit that writes on an information card; and a processing unit that executes a process using the second information read from the broadcast receiving information card. 5. A broadcast receiving information card storing at least information required for viewing pay digital broadcasts, wherein the information is designed to store specific information of a card holder. Information card for broadcast reception. 6. A digital broadcast receiving apparatus in which the broadcast receiving information card according to claim 5 is set, wherein user information storage means for storing a plurality of sets of said specific information and detailed information of a card holder. Processing means for reading out the specific information from the inserted card and executing a process using the detailed information of the card holder specified by the specific information. 7. The digital broadcast receiving apparatus according to claim 6, wherein output video and / or audio is adjusted using detailed information of a card holder specified by the specific information. Digital broadcast receiving device. 8. The digital broadcast receiving apparatus according to claim 6, wherein information necessary for generating an EPG screen is selected and obtained by using detailed information of a card holder specified by said specific information. A digital broadcast receiving device characterized by the above-mentioned. 9. The digital broadcast receiving apparatus according to claim 6, wherein a reservation program is received by using detailed information of a card holder specified by the specific information.