JP2003284022A - Digital pay broadcast system, digital pay broadcasting method, broadcast station, charge managing center and broadcast receiver - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To present a pay broadcast program to broadcast receivers of only valid users subjected to a charge, without a cryptographic process. <P>SOLUTION: A system is broadcasting program data of a pay broadcast and only program IDs accompanying with the program data from a broadcast station BS to broadcast receivers RS1-RSn via a broadcast satellite ST. It previously registers program IDs of pay broadcast programs users desire in their own broadcast receivers RS1-RSn, decides whether a user is a valid user with a certification to view the pay broadcast programs, based on the registered program ID, and permits the reproduction of a desired pay broadcast program, if the user is decided to be valid. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a satellite broadcasting / communication system, a terrestrial broadcasting / communication system, a digital pay broadcasting system for broadcasting pay broadcast program data, a digital pay broadcasting method, a broadcasting station, a billing management center, and broadcasting. Relating to a receiving device.

[0002]

2. Description of the Related Art Digital broadcasting is expected to be further enhanced as digitalization progresses from communication satellites (CS) to cable TV and terrestrial broadcasting.

The most important feature of digital broadcasting is that the introduction of information compression technology improves the efficiency of use of frequencies required for program transmission and enables the number of broadcasting channels to be increased as compared with analog broadcasting. is there. Furthermore, since high-level error correction technology can be applied, high quality and uniform service can be provided.

Further, the digitization enables not only the conventional broadcasting of images and sounds but also the broadcasting of characters and data (data broadcasting). For example, news can be sent as character data, and personal computer (PC) software can be distributed by broadcasting, and systems for providing such services have been introduced one after another.

[0005]

By the way, in the above broadcasting system, there may be cases where pay broadcasting is performed. In this case, for each contract, an IC card in which an ID and an encryption key unique to the contract are registered is issued to the user of the broadcast receiving apparatus to be contracted. Then, the broadcast receiving device receives the pay broadcast within the contract range only when the IC card is installed. That is, the broadcast signal is encrypted using a specific encryption key so that the decryption can be performed only by the broadcast receiving device in which a legitimate IC card is installed.

However, in the above-mentioned broadcasting system, there is a problem that the system scale becomes large, a problem that the encryption synchronization information and the like cause a transmission error, a problem that the reception quality in the broadcast receiving apparatus is deteriorated by the propagation of the decoding error, and the encryption key information and the encryption synchronization. The transmission of information causes a problem that transmission efficiency decreases.

Therefore, an object of the present invention is to provide a digital pay broadcasting system and a digital pay broadcasting method capable of providing a pay broadcast program only to a broadcast receiving device of a legitimate user who has made a charge, without performing encryption processing. , A broadcasting station, a billing management center, and a broadcast receiving device.

[0008]

In order to achieve the above object, the present invention is configured as follows.

(1) A broadcasting station that broadcasts a digital broadcasting signal containing program data of pay broadcasting through a predetermined broadcasting network having a plurality of channels, and a program of pay broadcasting by receiving the digital broadcasting signal broadcast by the broadcasting network. In a digital pay broadcasting system including a plurality of broadcast receiving devices for playing data, a broadcasting station generates first program identification information indicating play permission for each pay broadcast program, and uses the first program identification information as the first program identification information. A program identification information transmitting means for adding the program data of the corresponding pay broadcast and including it in the digital broadcast signal and transmitting it by the broadcast network,
Each of the plurality of broadcast receiving devices stores a second program identification information provided by charging a pay broadcast program desired to be viewed, and a digital broadcast that has arrived from a broadcast station via a broadcast network. The first program identification information included in the signal and the second program identification information stored in the storage means.
Determining means for determining the legitimacy of the user by comparing with the program identification information of 1. A reproduction control means is provided.

According to the invention of (1), the data broadcast from the broadcast station to each broadcast receiving device via the broadcast network is the program data of pay broadcast and the first program identification information permitting the reproduction of the program data. Will only be. Furthermore, the second program identification information of the pay broadcast program desired by the user is registered in advance in the broadcast receiving device, and the registered second program identification information and the first program identification information sent from the broadcasting station are stored. Is compared to determine whether or not the user is a legitimate user who is qualified to view the pay broadcast program. Then, when it is determined that the user is a legitimate user, the desired pay broadcast program is reproduced. Therefore, since it is determined in the broadcast receiving device whether or not the user is a legitimate user who is qualified to view the pay broadcast program, the processing load of the broadcast station can be suppressed low, and the facility cost can be reduced accordingly. You can Further, since the pay broadcast program data does not have to be encrypted and transmitted, it becomes possible to reproduce the program data without causing quality deterioration.

(2) A billing management center for performing billing management for pay broadcast programs broadcasted by the broadcasting station is further provided, and the billing management center, with each user of the plurality of broadcast receiving devices, requests viewing. It is characterized by comprising a billing process executing means for performing a billing process for a pay broadcast program.

According to the invention of (2), the billing management center can manage whether or not each user paid for the pay broadcast program.

(3) Each of the broadcast receiving devices is provided with a special card in which program identification information indicating reproduction permission for a pay broadcast program is stored, and is collected from each of the users by the charging processing executing means of the charging management center. Each of the program identification information is read from the special card, and based on these program identification information, it is judged whether or not the charge is made for the pay broadcast program in question, and the broadcast receiving apparatus is in charge only when the charge is made. The user is allowed to issue a special card that stores the program identification information of the pay broadcast program desired to be viewed.

According to the invention of (3), the special card given to the user is used to collect the program identification information of the user, and as a result, it is not necessary to provide an extra memory in the broadcast receiving apparatus. Also, the billing management center can collect the program identification information of each user by utilizing the already established special card recycling process. Therefore, it is not necessary to build a new infrastructure for collecting the program identification information, and there is an advantage that it can be implemented at low cost.

(4) When the plurality of broadcast receiving devices and the billing management center can be connected via the communication network, the billing processing executing means of the billing management center receives the plurality of broadcasts via the communication network. When the program identification information stored in each of the devices is periodically acquired, based on the acquired program identification information, it is determined whether or not a charge has been made for the corresponding pay broadcast program, and if the charge is made. The program identification information of the pay broadcast program desired to be watched is transmitted to the broadcast receiving apparatus corresponding to the above-mentioned item via the communication network.

According to the invention of (4), the program identification information of each user is transferred from each broadcast receiving device to the charging management center via the communication network. Therefore, the program identification information of many users can be efficiently collected in a short time,
A charge check can be performed for each user for pay broadcast programs.

(5) When the plurality of broadcast receiving devices and the billing management center are connectable via a communication network, the billing processing executing means of the billing management center receives the plurality of broadcasts via the communication network. The program identification information stored in each of the devices is periodically acquired, and based on the acquired program identification information, it is determined whether or not the pay broadcast program is charged, and the charge is not charged. Reproduction control information including information indicating refusal of reproduction of the pay broadcast program is transmitted to the broadcast receiving device to reject reproduction of program data of the corresponding pay broadcast.

According to the invention of (5), when there is a user who has not been charged for a pay broadcast program, playback control is immediately performed so that the corresponding pay broadcast program cannot be played back to the broadcast receiving apparatus of the user. Information can be sent.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a digital broadcasting system according to an embodiment of the present invention. Figure 1
, BS is a broadcasting station, ST is a broadcasting satellite, and RS1 to R
Sn is a broadcast receiver, NW is a telephone / mobile phone public network, a network including the Internet, BC is a billing management center, and PW is a dedicated network.

The broadcasting signal transmitted from the broadcasting station BS to the broadcasting satellite ST is sent to the whole country via the broadcasting satellite ST. The broadcast receivers RS1 to RSn receive and reproduce the broadcast signal coming from the broadcast satellite ST.

The billing management center BC is, for example, a broadcasting station BS.
Is installed for each station and is connected to the broadcasting station BS via its own dedicated network PW. The program ID collecting unit 111 and the charge determining unit 112 are provided as functions for managing the charge of a pay broadcast program broadcast by the broadcasting station BS.
A program ID transmission unit 113 and a user ID transmission unit 114
It has and.

The program ID collection unit 111 is configured to receive the broadcast receivers RS1 to RSn via the network NW at regular intervals.
To collect the program IDs stored in each of the broadcast receivers RS1 to RSn. The program ID includes data indicating the desired pay broadcast program name and control data for permitting reproduction of the program.

The billing determination unit 112 determines that each broadcast receiver RS1
~ Based on the program ID collected from RSn, it is determined whether or not the user of each broadcast receiver RS1 to RSn has charged for the pay broadcast program desired. Note that this charge is managed based on the payment statement for each pay broadcast program notified from a bank (not shown).

The program ID transmitting unit 113, when the billing judging unit 112 can confirm that the billing has been made,
The program ID of the pay broadcast program desired to be viewed is transmitted to the corresponding broadcast receivers RS1 and RS2 via the network NW.

The user ID transmitting unit 114 rejects the reproduction of a pay broadcast program for which the corresponding broadcast receivers RS3 and RS4 are not charged when the charge determination unit 112 does not charge the user ID. Is transmitted via the network NW. This user ID includes
It includes IDs unique to the broadcast receivers RS1 to RSn and data representing a pay broadcast program whose reproduction is rejected.

FIG. 2 is a block diagram showing a specific structure of the broadcasting station BS.

The broadcasting station BS includes a broadcasting program sending section 121,
And a pay broadcast program sending unit 122. The broadcast program sending unit 121 stores the separately produced number of free program data, and allocates these program data to the first broadcast channel in a predetermined broadcast network via the broadcast satellite ST every broadcast time. Output to the transmission unit 123. The transmitter 123 converts the program data of the first broadcast channel into a broadcast signal, and broadcasts this broadcast signal from an antenna (not shown).

The pay broadcast program sending unit 122 outputs pay broadcast programs such as movies, music, news, shopping, and game programs to the multiplexing unit 127, and stores the data of these pay broadcast programs in the storage unit 124. To do. The stored program data is stored in the program ID sending unit 12
5 selectively read.

A communication modem 126 is provided in the broadcasting station BS. The communication modem 126 communicates with the billing management center BC via the dedicated network PW.

The program ID sending unit 125 creates a program ID of the pay broadcast program stored in the storage unit 124 and outputs it to the multiplexing unit 127.

The multiplexing unit 127 includes the broadcast program sending unit 1 described above.
21 to the program data of the first broadcast channel output from
The program data of the second broadcast channel output from the pay broadcast program sending unit 122 is changed to the program I related to the program data.
Multiplex D. Then, the multiplexed broadcast signal is transmitted by the transmitter 123.

FIG. 3 is a block diagram showing a concrete configuration of the broadcast receivers RS1 to RSn. Here, the broadcast receiver RS1 will be described as a representative.

In the broadcast receiver RS1, the antenna 13
The broadcast signal from the broadcast satellite ST received by the signal No. 1 passes through the tuner 132 and is sent to the CDM demodulation / FEC processor
The program data is extracted by the demodulation process of No. 3, and the contents of video, audio, and data are decoded by the decoder unit 134, separated and output, and appropriately reproduced.

Here, when the program data includes storage-type program data and the user desires the storage-type program data, the operation input unit 135 is operated in a predetermined manner to store the storage-type program data in the download processor 136. Download.

Further, the broadcast receiver RS1 has an ID comparison section 137, an ID storage section 138, and an online control section 13.
9, communication modem 140, pay program output prohibition unit 141
It has and. Here, when the instruction to register the desired pay broadcast program is input through the operation input unit 135,
The program ID of the pay broadcast program is stored and held in the ID storage unit 138.

The ID comparison section 137 is for CDM demodulation / FEC.
Each time the program ID is received by the processing unit 133, the received program ID is compared with the registered program ID stored and held in the ID storage unit 138, whereby the pay broadcast desired by the user is acquired. It is determined whether or not the program is received, and when it is received, the decoder unit 134 is instructed to decode the program data desired to be acquired. Similarly, the download unit 136 is instructed to download the storage-type program data.

The online controller 139 uses the communication modem 1
When the data arriving via 40 is a program ID acquisition request, the program ID stored in the ID storage unit 138 is read and transmitted to the requesting charge management center BC. When the updated program ID arrives, the ID
The program ID stored in the storage unit 138 is rewritten to the incoming program ID. Further, when the user ID arrives, this user ID is input to the pay program output prohibition unit 141. Then, the pay program output prohibition unit 141, when the program data of the corresponding pay broadcast is received, the decoder unit 1
34 and the download unit 136 are controlled to stop the program reproduction. At this time, the alarm output may be performed using the voice and the image.

Next, the charging processing operation of pay broadcasting programs in the above system will be described.

FIG. 4 is a flow chart shown for explaining the processing operation of the billing management center BC.

At the collection date and time of the program ID, the billing management center BC accesses each of the broadcast receivers RS1 to RSn via the network NW (step ST4a),
Program ID stored in each broadcast receiver RS1 to RSn
Are collected (step ST4b). Then, the collected program IDs are analyzed (step ST4c), and it is determined based on the analysis result whether or not the pay broadcast program desired to be acquired has been charged (step ST4d).

If the charge is made here (Yes
s), the billing management center BC creates a new program ID for the billed pay program (step ST
4e), the broadcast receivers RS1 to R corresponding to this program ID
It transmits to Sn (step ST4f).

On the other hand, if the charge is not made (N
o), the billing management center BC creates a user ID for prohibiting the reproduction of pay broadcast programs for which no billing has been performed (step ST4g), and transmits this user ID to the corresponding broadcast receivers RS1 to RSn (step ST4g). Step ST4
h).

FIG. 5 is a flowchart shown to explain the processing operation of the broadcasting station BS.

The broadcasting station BS monitors the production status of the pay broadcast program and determines whether or not the pay broadcast time comes (step ST5a). Then, a program ID of the corresponding pay broadcast program is created a predetermined time before the broadcast time (step ST5b), and the created program ID is added to the program data of the pay broadcast corresponding to the broadcast (step ST5c).

FIG. 6 is a flow chart for explaining the processing operation of the broadcast receiver RS1.

That is, when the user selects and specifies the pay broadcast program desired to be acquired by the operation input section 135 (step ST6a), the broadcast receiver RS1 receives the received program ID and the program ID stored in the ID storage section 138. Are compared to determine whether they match (step ST6).
b). If the program IDs match (Yes),
The broadcast receiver RS1 determines whether or not the user ID is input to the pay program output prohibition unit 141 (step ST6c). Here, if there is no user ID (No),
The broadcast receiver RS1 reproduces the program data of the pay broadcast desired to be acquired (step ST6d).

On the other hand, in step ST6b, if the program IDs do not match (No), or if the step S
At T6c, the user I
If D is input (Yes), broadcast receiver R
In step S1, the reproduction of the program data of the pay broadcast desired to be acquired is prohibited, and the user is informed by an alarm that the reproduction is impossible.

As described above, in the above embodiment, the broadcasting station B
From S to each of the broadcast receivers RS1 to RSn, only the program data of pay broadcasting and the program ID accompanying the program data are broadcast via the broadcasting satellite ST. Further, the program ID of the pay broadcast program desired by the user is registered in advance in his / her own broadcast receivers RS1 to RSn, and based on the registered program ID, he is a legitimate user who is qualified to view the pay broadcast program. It is determined whether or not the desired pay program is reproduced when it is determined that the user is an authorized user.

Therefore, it is determined whether or not the user is a legitimate user who is qualified to view the pay broadcast program by each broadcast receiver RS.
1 to RSn, the processing load on the broadcasting station BS can be reduced, and the facility cost can be reduced accordingly. Further, since it is not necessary to encrypt and transmit the program data of the pay broadcast, it is possible to reproduce the program data of the pay broadcast on the broadcast receivers RS1 to RSn side without quality deterioration.

Since the billing management center BC manages whether or not each user paid for the pay broadcast program, the broadcasting station BS simply broadcasts the pay broadcast program together with its program ID. Also in this respect, the facility cost and processing load of the broadcasting station BS can be reduced.

Further, in the above embodiment, the program ID of each user is periodically transferred from each of the broadcast receivers RS1 to RSn to the billing management center BC via the network NW. Therefore, the program I of many users
It is possible to efficiently collect D in a short period of time, and to quickly perform a charging check for each pay broadcast program for each user. Then, if there is a user who has not been charged for the pay broadcast program, the user ID can be immediately transmitted to the broadcast receiver of the user so that the pay broadcast program cannot be reproduced. Therefore, in the broadcast receivers RS1 to RSn, it is possible to prevent erroneous pay-broadcast program reproduction and illegal program reproduction from being performed.

The present invention is not limited to the above embodiment. For example, in the above-described embodiment, the satellite broadcasting system using the broadcasting satellite 12 has been described as an example, but the present invention can be similarly applied to a broadcasting system using a communication satellite or a cable television (CATV) system. In addition to broadcasting the broadcast signal directly from the broadcast satellite ST to the broadcast receivers RS1 to RSn on the ground, the broadcast signal may be broadcast from the broadcast satellite ST to each broadcast receiver RS1 to RSn via the gap filler. You may

In the above embodiment, each broadcast receiver R
Network NW for collecting program IDs from S1 to RSn
, But each broadcast receiver RS1 ~ R
If the Sn can mount an IC card, the IC card may be used to collect the program ID. In this case, the user stores the program ID in the IC card.
At the billing management center BC, the program IDs are read out from the IC cards collected from the respective users, and based on these program IDs, the presence or absence of billing for pay broadcast programs is checked for each user.

By using the IC card in this way,
The billing management center BC can collect the program ID by utilizing the already established IC card recycling process.

In the above embodiment, the user ID is transmitted to the broadcast receivers RS1 to RSn of the users who are not charged through the network NW. However, the present invention is not limited to this, and the user ID may be transmitted from the broadcasting station BS to the corresponding broadcasting receiver using a dedicated channel. By doing so, it is possible to prohibit illegal program reproduction from a broadcast receiver not connected to the network NW.

In addition, the system configuration, the configuration of the broadcasting station, the broadcasting receiver and the billing management center, the method of collecting program IDs,
The contents of the program ID and the user ID can be modified in various ways without departing from the scope of the invention.

[0058]

As described above in detail, according to the present invention,
A digital pay broadcasting system, a digital pay broadcasting method, a broadcasting station, a billing management center, and a broadcast receiving device capable of providing a pay broadcast program only to a broadcast receiving device of a legitimate user who has made a charge without performing encryption processing. Can be provided.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a digital broadcasting system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a specific configuration of the broadcasting station shown in FIG.

3 is a block diagram showing a specific configuration of the broadcast receiver shown in FIG.

FIG. 4 is a flowchart shown to explain the processing operation of the charging management center in this embodiment.

FIG. 5 is a flowchart shown to explain the processing operation of the broadcast station in this embodiment.

FIG. 6 is a flowchart shown to explain the processing operation of the broadcast receiver in this embodiment.

[Explanation of symbols]

111 ... Program ID collection unit, 112 ... Charge determination unit, 113 ... Program ID transmitter, 114 ... User ID transmission unit, 121 ... Broadcast program transmission section, 122 ... pay broadcast program transmission section, 123 ... Transmitter, 124 ... storage unit, 125 ... Program ID sending unit, 126 ... communication modem, 127 ... Multiplexing unit, 131 ... antenna, 132 ... tuner, 133 ... CDM demodulation / FEC processing unit, 134 ... Decoder section, 135 ... operation input section, 136 ... Download section, 137 ... ID comparison unit, 138 ... ID storage unit, 139 ... Online control unit, 140 ... communication modem, 141 ... Paid program output prohibition section, BC ... Billing management center, BS ... Broadcasting station, NW ... network, PW ... dedicated network, RS1 to RSn ... Broadcast receiver.

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04N 7/081 H04N 7/08 Z 7/173 640 F term (reference) 5C025 BA14 BA25 BA27 BA30 CA02 CA19 CB07 DA01 DA05 5C063 AB03 AB07 AB11 AC01 AC05 AC10 CA23 DA01 DA05 DA07 DA13 5C064 BA01 BB02 BB04 BB07 BC16 BC18 BC23 BC25 BC27 BD02 BD04 BD08 BD09 BD11

Claims (12)

[Claims] 1. A broadcasting station that broadcasts a digital broadcasting signal including program data of pay broadcasting by a predetermined broadcasting network having a plurality of channels, and a digital broadcasting signal that is broadcast by the broadcasting network and receives the digital broadcasting signal of the pay broadcasting. In a digital pay broadcasting system including a plurality of broadcast receiving devices for playing program data, the broadcasting station generates first program identification information indicating a play permission for each of the pay broadcasting programs, and the first program identification information is generated. Each of the plurality of broadcast receiving devices is a paying receiver who desires to view, by adding program data of pay broadcast corresponding to identification information and including the program data in the digital broadcast signal and transmitting by the broadcast network. Storage means for storing second program identification information given by charging a broadcast program; The legitimacy of the user is determined by comparing the first program identification information included in the digital broadcast signal coming from the station via the broadcast network with the second program identification information stored in the storage means. A digital pay broadcasting system comprising: a judging means and a program data reproduction control means for reproducing the program data of a desired pay broadcast when the judgment means judges that the user is an authorized user. 2. A billing management center for performing billing management for a pay broadcast program broadcast by the broadcasting station, wherein the billing management center listens to and listens to each user of the plurality of broadcast receiving devices. A digital pay broadcasting system comprising a charge processing executing means for executing charge processing for a desired pay broadcast program. 3. A broadcasting station which broadcasts a digital broadcasting signal including program data of pay broadcasting by a predetermined broadcasting network having a plurality of channels, and a digital broadcasting signal which is broadcast by the broadcasting network and receives the digital broadcasting signal of the pay broadcasting. In a digital pay broadcasting method used in a digital pay broadcasting system including a plurality of broadcast receiving devices for playing program data, the broadcasting station generates first program identification information indicating a play permission for each pay broadcasting program. Then, the program data of the pay broadcast corresponding to the first program identification information is added, and the data is included in the digital broadcast signal and transmitted by the broadcast network. Store the second program identification information given by charging the broadcast program in the registration memory. By comparing the first program identification information included in the digital broadcast signal received from the broadcasting station via the broadcasting network with the second program identification information stored in the registration memory, the user's legitimacy is confirmed. A digital pay broadcasting method characterized by reproducing program data of a desired pay broadcast if the user is judged to be an authorized user. 4. A broadcasting station that broadcasts a digital broadcasting signal including program data of pay broadcasting to a plurality of broadcast receiving devices via a predetermined broadcasting network having a plurality of channels, and reproduces each pay broadcasting program. Program identification information indicating permission is generated, program data of pay broadcast corresponding to this program identification information is added, and program identification information transmitting means for transmitting the program identification information included in the digital broadcast signal by the broadcast network is provided. Broadcaster. 5. Play control information including device identification information previously given to a broadcast receiving device of a user who has not been charged for the pay broadcast program and information indicating refusal of the pay broadcast program. 5. The broadcasting station according to claim 4, further comprising reproduction control information transmitting means for periodically transmitting the transmission information via a part of the channels of the broadcasting network. 6. A billing management center that manages billing for a pay broadcast program broadcast by the broadcasting station according to claim 4, wherein the billing management center listens to each user of the plurality of broadcast receiving devices. A billing management center comprising a billing process executing means for carrying out a billing process for a desired pay broadcast program. 7. In each of the plurality of broadcast receiving devices, the billing is performed when program identification information indicating reproduction permission for each pay broadcast program is stored in a special card previously given to the user of the broadcast receiving device. The process executing means reads out program identification information from a special card collected from each user of the plurality of broadcast receiving devices, and determines whether or not the pay broadcast program is charged, based on the program identification information. 7. The special card storing the program identification information of the pay broadcast program desired to be viewed is permitted to be issued to the user of the corresponding broadcast receiving device only when the charge is made. Billing management center. 8. When connected to the plurality of broadcast receiving devices via a communication network, the billing processing execution means stores programs stored in each of the plurality of broadcast receiving devices via the communication network. Identification information is periodically acquired, and based on the acquired program identification information, it is determined whether or not a fee has been charged for the pay broadcast program in question, and only when the fee has been charged 7. The billing management center according to claim 6, wherein program identification information of a pay broadcast program desired to be viewed is transmitted via the communication network. 9. When connected to the plurality of broadcast receiving devices via a communication network, the billing processing execution means stores programs stored in each of the plurality of broadcast receiving devices via the communication network. Identification information is periodically acquired, and based on the acquired program identification information, it is determined whether or not a fee has been charged for the pay broadcasting program in question, and the pay broadcasting device for which the fee has not been charged is concerned with the pay broadcasting. 7. The charging management center according to claim 6, wherein reproduction control information including information indicating that the reproduction of the program is rejected is transmitted to reject reproduction of the program data of the corresponding pay broadcast. 10. A broadcasting station that generates first program identification information indicating reproduction permission for each pay broadcast program, adds pay broadcast program data corresponding to the first program identification information, and broadcasts as a digital broadcast signal. Which is a broadcast receiving device for receiving a digital broadcast signal from the storage device, the storage device storing second program identification information provided by charging a pay broadcast program desired to be viewed, The first program identification information included in the digital broadcast signal and the second program identification information stored in the storage means.
Determining means for determining the legitimacy of the user by comparing with the program identification information of the program identification information, and program data for reproducing the desired pay broadcast program data when the determination means determines that the user is an authorized user. A broadcast receiving apparatus comprising: a reproduction control unit. 11. A request for acquisition of program identification information from the billing management center when a billing management center that performs billing management of pay broadcast programs broadcast by the broadcasting station can be connected via a communication network. 11. The broadcast according to claim 10, further comprising program identification information transmitting means for transmitting the second program identification information stored in the storage means to the billing management center via the communication network. Receiver. 12. When the reproduction control information including the information indicating the reproduction refusal of the pay broadcast program is received, the program reproduction prohibiting means for prohibiting the reproduction of the corresponding pay broadcast program data based on the reproduction control information is further provided. The broadcast receiving device according to claim 10, further comprising: