JP2005293682A - Recording and reproducing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a recording and reproducing apparatus capable of receiving TV broadcasting program information transmitted from a TV broadcasting station without using a server and a network for distributing new CM information substituted for CM information whose validity has expired and effectively detecting substitution CM information to be substituted for the CM information whose validity has expired from received TV broadcasting program information. <P>SOLUTION: A control section refers to broadcasting program specified information stored in a storage part about TV broadcasting program information containing CM information whose validity has expired and makes a receiving section receive TV broadcasting program information transmitted on the same day of the week, in the same time slot from the same TV broadcasting station as those when/where the TV broadcasting program information is recorded to detect substitution CM information to be substituted for the CM information whose validity has expired. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a recording / reproducing apparatus for recording received broadcast program information on a recording medium and reproducing the broadcast program information recorded on the recording medium.

  There is a recording / reproducing apparatus that can receive television broadcast program information transmitted from a television broadcast station and record and reproduce the received television broadcast program information. This recording / reproducing apparatus records the received TV broadcast program on a recording medium such as an HDD (Hard Disk Drive), DVD-RAM (Digital Versatile Disc-Random Access Memory), and the TV broadcast program information recorded on the recording medium. Reproduce.

  The TV broadcast program information transmitted from a private TV broadcast station includes CM (Commercial Message) information between one TV program and the next TV program. Therefore, when the user of this recording / reproducing apparatus reproduces and views private television broadcast program information recorded on a recording medium, the user can view television program information including CM information. When a user plays back and watches the TV broadcast program information after a certain period of time has elapsed since the TV broadcast program information was recorded, the CM information to be played back contains an old CM (for example, a product to which the CM is provided) Information). For users, it is difficult to say that CM information with old contents is useful information. Further, in this case, since CM information with old contents is viewed for the CM provider, it is not possible to obtain the advertising effect of the product by the CM information.

  In order to solve such a problem, there is an information providing system disclosed in Patent Document 1. In the information providing system disclosed in Patent Document 1, the television broadcast station transmits television broadcast program information together with attribute data such as the expiration date of the CM information, and the recording / reproducing apparatus transmits the television broadcast program transmitted from the television broadcast station. The information is received, and it is determined based on the attribute data whether or not the expiration date of the CM information included in the television broadcast program information recorded on the recording medium has expired. When there is CM information that has expired, this recording / playback apparatus downloads new CM information that replaces the CM information that has expired from a server connected via the network. When reproducing the TV broadcast program information recorded on the recording medium, the recording / reproducing apparatus replaces the expired CM information with the downloaded new CM information and reproduces it.

JP 2001-292115 A (Fig. 1)

  In the information providing system disclosed in Patent Document 1, the recording / reproducing apparatus downloads new CM information that replaces the expired CM information from a server connected via the network. For this reason, in the information providing system disclosed in Patent Document 1, it is necessary to prepare on the network a server that distributes new CM information that replaces CM information that has expired. In addition, the user of the recording / reproducing apparatus of the information providing system cannot use this information providing system unless the network can be used. On the other hand, even in an environment where the network can be used, in order to download new CM information that replaces the expired CM information from the server, it is necessary to secure the network communication bandwidth. It is necessary to pay the network management company a communication fee according to the capacity of the new CM information.

  The present invention has been made to solve the above-described problems, and a television transmitted from a television broadcasting station without using a server or a network that distributes new CM information to be replaced with CM information that has expired. It is an object of the present invention to provide a recording / reproducing apparatus that can receive broadcast program information and efficiently detect replacement CM information that replaces CM information that has expired from the received TV broadcast program information.

  The invention according to claim 1 of the present application is a recording / reproducing apparatus for recording / reproducing received broadcast program information, a receiving unit for receiving broadcast program information including commercial information and management information for managing the commercial information, and the reception A broadcast program recording unit for recording broadcast program information received by the unit, and a storage for storing broadcast program identification information including day information, recording start time information, and broadcast station information of the broadcast program information recorded in the broadcast program recording unit Recorded in the management information recording unit, the CM recording unit that records the commercial information included in the broadcast program information received by the receiving unit, the management information recording unit that records the management information received by the receiving unit, A discriminating unit for discriminating whether or not there is commercial information to be replaced in the broadcast program information recorded in the broadcast program recording unit based on the management information; When it is determined that there is commercial information to be replaced in the broadcast program information recorded in the broadcast program recording unit, broadcast of broadcast program information having commercial information to be replaced based on the broadcast program specifying information stored in the storage unit; Controlling the receiving unit to receive broadcast program information transmitted from the same broadcasting station on the same day of the week and recording start time, and further detecting replacement commercial information to be replaced with the commercial information determined by the determination unit; And a control unit that controls the CM recording unit so as to record the detected replacement commercial information.

  Further, the invention according to claim 2 of the present application is the recording / reproducing apparatus according to claim 1, wherein the management information includes provision destination information indicating a provision destination of commercial information, identification information of commercial information by the provision destination, and It has expiration date information for providing commercial information, the determination unit determines whether there is commercial information to be replaced based on the expiration date information, and the control unit provides the commercial information determined by the determination unit Control is performed to record replacement commercial information having the same destination information and identification information or replacement commercial information having the same provision destination information in the CM recording unit.

  According to the present invention, TV broadcast program information transmitted from a TV broadcast station is received without using a server or network that distributes new CM information that replaces the CM information that has expired, and the received TV broadcast program is received. It is possible to provide a recording / reproducing apparatus that can efficiently detect replacement CM information that replaces CM information that has expired from information.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing a configuration of a television broadcast system including a recording / reproducing apparatus according to an embodiment of the present invention. In FIG. 1, 1 is a recording / playback apparatus, 2 is a transmission apparatus, 21 is a program main part server, 22 is a CM server, 23 is a transmission instruction section, and 24 is a transmission section. In FIG. 1, the transmission apparatus 2 includes a main program server 21, a CM server 22, a transmission instruction unit 23, and a transmission unit 24. The transmission device 2 is installed in a television broadcast station that broadcasts a television broadcast program. In this embodiment, the television broadcast program information is composed of program main data and CM data.

  The main program server 21 shown in FIG. 1 stores main program data of TV broadcast program information to be transmitted. The CM server 22 stores CM data of TV broadcast program information to be transmitted. The CM data includes management information for managing the CM for each CM data. This management information includes providing destination information indicating a CM providing destination, product identification information advertised by the providing destination, expiration date (date) information for providing the CM, and the like.

  The transmission instructing unit 23 includes a database in which a combination method of program main data and CM data constituting TV broadcast program information to be transmitted is recorded. The transmission instructing unit 23 controls the program main server 21 to read program main data and the CM server 22 to read CM data according to the combination method recorded in the database. The main program data read from the main program server 21 and the commercial data read from the CM server 22 constitute television broadcast program information. The transmission unit 24 transmits television broadcast program information composed of the main program data and CM data. The television broadcast program information transmitted from the transmission unit 24 is transmitted as digital data of the MPEG (Moving Picture Experts Group) system, for example.

  FIG. 2 is a block diagram showing a configuration of a recording / reproducing apparatus according to an embodiment of the present invention. In FIG. 2, 11 is a receiving unit, 12 is a recording unit, 13 is a broadcast program recording unit, 14 is a CM recording unit, 15 is a management information recording unit, 16 is a decoder, 17 is an output unit, 18 is a determination unit, and 19 is A control unit, 19a is a storage unit, 20 is an operation unit, and 20a is a selection unit.

  The receiving unit 11 illustrated in FIG. 2 receives television broadcast program information of MPEG digital data transmitted from the transmission device 2. The receiving unit 11 inputs the received television broadcast program information to the broadcast program recording unit 13 of the recording unit 12. The receiving unit 11 detects the management information described above from the television broadcast program information, and inputs the detected management information to the management information recording unit 15 of the recording unit 12.

  The recording unit 12 includes a broadcast program recording unit 13, a CM recording unit 14, and a management information recording unit 15. The recording unit 12 is an HDD (Hard Disk Drive) or the like that can be randomly accessed. The broadcast program recording unit 13 records the television broadcast program information input from the receiving unit 11. The broadcast program recording unit 13 reads out the recorded television broadcast program information and inputs it to the decoder 16. The CM recording unit 14 records replacement CM information that replaces the CM information recorded in the broadcast program recording unit 13 from the television broadcast program information input from the receiving unit 11 under the control of the control unit 19 described later. The management information recording unit 15 records management information input from the receiving unit 11.

  The decoder 16 decodes the television broadcast program information input from the recording unit 12 and inputs it to the output unit 17. The output unit 17 includes a digital-analog conversion unit, a video output unit, and an audio output unit (not shown). The television broadcast program information input to the output unit 17 is converted into an analog video signal and an analog audio signal by a digital-analog conversion unit. The analog video signal is output from the video output unit, and the analog audio signal is output from the audio output unit. The analog video signal and analog audio signal output from the recording / reproducing apparatus 1 are displayed on a monitor connected to the recording / reproducing apparatus 1 and output from a speaker.

  The determination unit 18 refers to the expiration date of the management information recorded in the management information recording unit 15 and determines whether or not the expiration date for providing the CM information has expired based on the current date (year / month / day). . The determination unit 18 inputs the determined management information whose expiration date has expired from the management information recording unit 15 to the control unit 19. The control unit 19 controls the broadcast program recording unit 13, the CM recording unit 14, and the decoder 16. The operation unit 20 selects, after the expired CM information determined by the determination unit 18, a selection unit 20 a for selecting whether to add replacement CM information for the CM information, a play button (not shown), a play stop button, Operation buttons such as a recording reservation button are provided.

  Next, the operation of the recording / reproducing apparatus of the present embodiment will be described. FIG. 3 is a flowchart for explaining the operation of recording the replacement CM of the recording / reproducing apparatus of the present embodiment.

  The transmission device 2 transmits the television broadcast program information of MPEG digital data from the transmission unit 24. The television broadcast program information transmitted from the transmission device 2 is composed of CM data including main program data and management information.

  Step 1 shown in FIG. 3 is a step of controlling the broadcast program recording unit 13 to record the television broadcast program information received by the control unit 19. The recording / reproducing apparatus 1 receives the television broadcast program information transmitted from the transmitting apparatus 2 by the receiving unit 11. The control unit 19 of the recording / reproducing apparatus 1 controls the broadcast program recording unit 13 to record the TV broadcast program information reserved by the recording reservation button of the operation unit 20. In addition, the control unit 19 is broadcast program specifying information related to the television broadcast program information recorded in the broadcast program recording unit 13 (for example, recording date (year, month, day), recording start time and recording end time, television broadcasting station). Is stored in the storage unit 19a.

  Step 2 is a step of controlling the management information recording unit 15 to record the management information related to the CM included in the television broadcast program information recorded in the broadcast program recording 13 by the control unit 19. The control unit 19 controls the management information recording unit 15 to record management information regarding CMs included in the television broadcast program information recorded in the broadcast program recording unit 13.

  Step 3 is a step in which the determination unit 18 determines whether there is CM information that has expired from the management information recorded in the management information recording unit 15. The determination unit 18 refers to the expiration date of the management information recorded in the management information recording unit 15 and determines whether the expiration date has expired based on the current date (year / month / day). The determination unit 18 inputs management information whose determined expiration date has expired to the control unit 19. When it is determined that the expiration date has expired and there is CM information, the process proceeds to step 3.

  Step 4 is transmitted from the same television broadcasting station on the day of the week, recording time zone and television broadcasting station on which the television broadcast program information including the CM information expired by the control unit 19 is recorded. This is a step for controlling the receiving unit 11 to receive the TV broadcast program information. The control unit 19 refers to the broadcast program specifying information of the TV broadcast program information including the CM information expired and stored in the storage unit 19a, and the day of the week on which the TV broadcast program information is recorded, the recording time zone (recording) The receiving unit 11 is controlled to receive TV broadcast program information transmitted from the same TV broadcast station on the same day and time period as the TV broadcast station). Since a commercial of a product of the same provider is broadcast on a specific TV broadcast program (for example, a continuous drama broadcast on the same day of the week, broadcast station and time zone), the control unit 19 has expired. It controls to receive TV program broadcast information on the same day of the week when the CM information is broadcast, the broadcasting station, and the time zone. Therefore, the recording / reproducing apparatus of the present embodiment can efficiently detect the replacement CM information.

  Step 5 is a step of determining whether or not the control unit 19 has detected replacement CM information that replaces the expired CM information. The control unit 19 identifies, from the television broadcast program information received by the receiving unit 11, the management information providing destination information (information indicating the CM providing destination) and the identification information (the product advertised by the providing destination) determined by the determining unit 18. CM information having management information having the same information) is detected. Alternatively, if the control unit 19 cannot detect the CM information having the management information having the same identification information as the destination information of the management information determined by the determination unit 18, the control unit 19 provides the management information determined by the determination unit 18. CM information having management information having the same destination information is detected. If the control unit 19 detects replacement CM information to be replaced with the expired CM information from the received TV broadcast program information, the process proceeds to step 6. When the control unit 19 does not detect replacement CM information that replaces the expired CM information from the TV broadcast program information received, the process proceeds to step 4.

  Step 6 is a step of controlling the replacement CM information detected by the control unit 19 to be recorded in the CM recording unit 14. The CM recording unit 14 records replacement CM information detected by the control unit 19 under the control of the control unit 19. Further, the management information recording unit 15 records management information of replacement CM information recorded in the CM recording unit 14 under the control of the control unit 19.

  Step 7 is a step in which the control unit 19 performs control to replace CM information whose expiration date has expired with replacement CM information of the CM information. The control unit 19 includes the broadcast program recording unit 13 and the CM recording unit 14 so as to replace the expired CM information included in the television broadcast program information recorded in the broadcast program recording unit 13 with the replacement CM information of the CM information. To control. Therefore, the user of the recording / reproducing apparatus of the present embodiment can view the television broadcast program information replaced with the replacement CM information reproduced by the recording / reproducing apparatus 1.

  At this time, the control unit 19 replaces the CM information having the same management information as the destination information and the identification information of the management information determined by the determination unit 18 until the operation unit 20 instructs to reproduce the TV broadcast program information. Is recorded in the CM recording unit 14, the replacement CM information is controlled to be replaced with the expired CM information. On the other hand, the control unit 19 receives replacement CM information having the same management information as the provision destination information and identification information of the management information determined by the determination unit 18 until the operation unit 20 instructs to reproduce the television broadcast program information. When the replacement CM information that is not recorded in the CM recording unit 14 and only the management information providing destination information determined by the determination unit 18 has the same management information is recorded in the CM recording unit 14, the replacement CM information is recorded. Control to replace CM information that has expired.

  Step 8 is a step in which the control unit 19 instructs the reproduction of the television broadcast program information recorded in the broadcast program recording unit 13 from the operation unit 20. When there is a reproduction instruction for the television broadcast program information from the operation unit 20, the control unit 19 controls the broadcast program recording unit 13 to read out the television broadcast program information with the reproduction instruction. The control unit 19 also controls the decoder 16 to decode the television broadcast program read from the broadcast program recording unit 13. The television broadcast program decoded by the decoder 16 is converted into an analog video signal and an analog audio signal and output from the output unit 17.

  In step 7 of the flowchart shown in FIG. 3 described above, when the broadcast program recording unit 13 has selected the TV broadcast program information selected by the selection unit 20a to add replacement CM information when making a recording reservation, the control is performed. The unit 19 controls the broadcast program recording unit 13 and the CM recording unit 14 to add the replacement CM information of the CM information after the CM information included in the TV broadcast program information expired.

  Alternatively, if the selection unit 20a has previously selected to add replacement CM information, the control unit 19 sets the CM information whose expiration date has expired in all TV broadcast program information recorded in the broadcast program recording unit 13. After that, the broadcast program recording unit 13 and the CM recording unit 14 are controlled so as to add the replacement CM information of the CM information. Therefore, the user of the recording / reproducing apparatus of the present embodiment can view the television broadcast program information to which the replacement CM information reproduced by the recording / reproducing apparatus 1 is added. On the other hand, when the selection unit 20a has selected not to add replacement CM information, the control unit 19 replaces the CM information whose expiration date has expired with the replacement of the CM information as in step 7 of the flowchart of FIG. 3 described above. Control to replace CM information.

  In the above-described embodiment, the broadcast program recording unit 13 may be a recording medium such as a DVD-RAM to which the recording medium is removable. In this case, the control unit 19 has broadcast program identification information (for example, recording date and time (year / month / day, day of the week, recording start time and recording end time), which is recorded in the broadcast unit recording unit 13 in the storage unit 19a, TV broadcast station) as well as recording medium identification information. When the recording medium is attached to the recording / reproducing apparatus 1, the control unit 19 controls to record the replacement CM information recorded in the CM recording unit 14 on the recording medium.

  The recording / reproducing apparatus of the present embodiment described above is the same television broadcast station on the same day of the week as the day of the week on which the TV broadcast program information including the expired CM information is recorded, the recording time zone, and the television broadcasting station. TV broadcast program information transmitted from is received, and replacement CM information is detected from the received TV broadcast program information, so that replacement CM information can be detected efficiently.

The block diagram which shows the structure of the television broadcasting system provided with the recording / reproducing apparatus which is an Example of this invention. The block diagram which shows the structure of the recording / reproducing apparatus which is an Example of this invention. The flowchart explaining the operation | movement which records replacement CM of the recording / reproducing apparatus which is an Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Recording / reproducing apparatus, 2 ... Transmission apparatus, 11 ... Reception part, 12 ... Recording part, 13 ... Broadcast program recording part, 14 ... CM recording part, 15 ... Management information recording part, 16 ... Decoder, 17 ... Output part, DESCRIPTION OF SYMBOLS 18 ... Discriminating part, 19 ... Control part, 19a ... Memory | storage part, 20 ... Operation part, 20a ... Selection part, 21 ... Program main part server, 22 ... CM server, 23 ... Transmission instruction | indication part, 24 ... Transmission part

Claims (2)

In a recording / reproducing apparatus for recording / reproducing received broadcast program information,
A receiving unit for receiving broadcast program information including commercial information and management information for managing the commercial information;
A broadcast program recording unit for recording broadcast program information received by the reception unit;
A storage unit for storing broadcast program identification information including day information, recording start time information, and broadcast station information of broadcast program information recorded in the broadcast program recording unit;
CM recording unit for recording commercial information included in the broadcast program information received by the receiving unit,
A management information recording unit for recording the management information received by the receiving unit;
A discriminating unit for discriminating whether or not there is commercial information to be replaced in the broadcast program information recorded in the broadcast program recording unit based on the management information recorded in the management information recording unit;
If the determination unit determines that there is commercial information to be replaced in the broadcast program information recorded in the broadcast program recording unit, the broadcast program has commercial information to be replaced based on the broadcast program specifying information stored in the storage unit Replacement commercial information for controlling the receiving unit to receive broadcast program information transmitted from the same broadcast station at the same day of the week as recording of information and at the recording start time, and replacing the commercial information determined by the determination unit And a control unit that controls the CM recording unit so as to record the detected replacement commercial information. The recording / reproducing / reproducing apparatus according to claim 1.
The management information includes providing destination information indicating a commercial information providing destination, identification information of commercial information by the providing destination, and expiration date information providing commercial information, and the determination unit replaces based on the expiration date information. Determine if there is commercial information,
The control unit performs control to record, in the CM recording unit, replacement commercial information having the same provision destination information and identification information of the commercial information determined by the determination unit or replacement commercial information having the same provision destination information. A recording / reproducing apparatus.

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