JP2010041079A - Recording control unit and recording control method - Google Patents

Abstract

To provide a recording control apparatus capable of effectively utilizing storage resources such as an HDD by controlling automatic program recording.
A recording control apparatus according to an embodiment of the present invention includes a recording setting unit for setting a recording time zone and a recording day for each of a plurality of channels, and a one-channel broadcasting signal from the plurality of channel broadcasting signals. A plurality of channel selection means for selecting a channel, and control of recording of each broadcast signal of the plurality of channels selected by each of the plurality of channel selection means based on the set recording time zone of each of the plurality of channels. Each of the plurality of channels based on the recording frequency of each channel included in the recording history, the viewing history collecting means for collecting the viewing history of the recording data recorded by the control of the recording control means, Changing means for changing the number of recording days set for.
[Selection] Figure 1

Description

  The present invention relates to a recording control apparatus and a recording control method for controlling recording such as terrestrial digital broadcasting and satellite digital broadcasting.

  Recording devices that record programs on DVDs or HDDs are already in widespread use. In addition, when recording is scheduled, the remaining capacity of the recording media is calculated, and a technique for informing the user whether or not scheduled recording is possible is also proposed. (See Patent Document 1).

In addition, a recording apparatus equipped with a plurality of tuners and capable of simultaneously recording a plurality of programs has appeared. For example, in simultaneous recording of a plurality of programs, a technique has been proposed in which the number of recorded programs is determined so that the total bit rate obtained from the bit rate of each program based on EPG (electronic program guide) does not exceed the memory processing ( Patent Document 2).
Republished patent 2002/028100 JP 2000-217063 A

  In recent years, the capacity of HDDs installed in recording devices has increased dramatically, and accordingly, the appreciation for automatic recording has increased. In other words, this is a technique in which the recording device automatically records a predetermined channel based on a certain condition, instead of setting the recording of each program the user wants to record.

  However, although the capacity of the HDD installed in the recording apparatus has increased dramatically, the capacity of the HDD is finite. Therefore, an automatic recording technique that efficiently uses the storage capacity of a finite HDD is desired.

  An object of the present invention is to provide a recording control apparatus and a recording control method capable of effectively using storage resources such as HDDs by controlling automatic program recording.

  A recording control apparatus according to an embodiment of the present invention selects a recording setting means for setting a recording time zone and a recording days for each of a plurality of channels, and selects a one-channel broadcasting signal from the plurality of channel broadcasting signals. A plurality of channel selection means, and a recording control means for controlling recording of each broadcast signal of the plurality of channels selected by each of the plurality of channel selection means based on the set recording time zone of each of the plurality of channels. And a viewing history collection unit that collects a viewing history of the recorded data recorded under the control of the recording control unit, and a setting is made for each of the plurality of channels based on the viewing frequency of each channel included in the viewing history. Changing means for changing the number of recorded days.

  A recording control apparatus according to an embodiment of the present invention includes a recording setting means for setting a recording time zone for each of a plurality of channels, and a plurality of selections for selecting a one-channel broadcasting signal from the plurality of channel broadcasting signals. A recording control means for controlling recording of each broadcast signal of the plurality of channels selected by each of the plurality of channel selection means, based on the set recording time zone of each of the plurality of channels; The viewing history collecting means for collecting the viewing history of the recorded video recorded by the control of the recording control means, and the setting of each of the plurality of channels based on the viewing frequency for each channel included in the viewing history. Changing means for changing the recording time zone.

  A recording control method according to an embodiment of the present invention sets a recording time zone for each of a plurality of channels, and selects a channel by each of a plurality of channel selection means based on the set recording time zone for each of the plurality of channels. Controlling the recording of each broadcast signal of the plurality of channels, collecting the viewing history of the recording data recorded by the recording control, and viewing the viewing frequency according to the time zone of the plurality of channels included in the viewing history. Based on this, the set recording time zone of each of the plurality of channels is changed.

  According to the present invention, it is an object to provide a recording control apparatus and a recording control method capable of effectively using storage resources such as HDDs by controlling automatic program recording.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  Hereinafter, various embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram for explaining the configuration of a digital broadcast receiving apparatus 101 (recording control apparatus) according to an embodiment of the present invention. The digital broadcast receiver 101 is, for example, a digital TV equipped with a program recording control device or a digital recorder equipped with a program recording control device. Here, an example will be described in which there are eight or more tuner modules (such as a tuner for receiving terrestrial digital broadcast and a tuner for receiving BS / CS digital broadcast) that receive scrambled digital broadcast signals.

  The broadcast program signal received by the first tuner 102 is sent to the TS separation module 103, and the TS separation module 103 separates program information (ECM) from the broadcast program signal. The separated ECM is connected to a CAS module (a card interface I / F) 107a via a CAS control module 107 (a CAS card in the form of an IC card: hereinafter referred to as a CAS card as appropriate). 108. In the CAS card 108, the scramble key (Ks) is obtained by decrypting the ECM cipher using the stored work key (Kw). At the same time, attribute information related to the program is obtained from the ECM, and compared with the contract information stored in the CAS card 108, it is determined whether or not descrambling is performed. When this determination is made, control is performed based on the charging method specified by the attribute information of the program. The encryption keys Ks and Kw are different for each broadcaster, but are common to all receivers.

  The broadcast program signal received by the second tuner 112 is sent to the TS separation module 113, and the TS separation module 113 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. Similarly, the broadcast program signal received by the third tuner 122 is sent to the TS separation module 123, and the TS separation module 123 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. The broadcast program signal received by the fourth tuner 132 is sent to the TS separation module 133, and the TS separation module 133 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. The broadcast program signal received by the fifth tuner 142 is sent to the TS separation module 143, and the TS separation module 143 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. The broadcast program signal received by the sixth tuner 152 is sent to the TS separation module 153, and the TS separation module 153 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. The broadcast program signal received by the seventh tuner 162 is sent to the TS separation module 163, and the TS separation module 163 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107. The broadcast program signal received by the eighth tuner 172 is sent to the TS separation module 173, and the TS separation module 173 separates the ECM from the broadcast program signal. The separated ECM is transferred to the CAS card 108 via the CAS control module 107.

  In the normal processing, the CAS control module 107 sends the ECMs sent from the TS separation modules 103 to 173 to the CAS card 108 in the order of arrival, and the scramble key Ks responded from the CAS card 108 corresponds to the corresponding descrambler modules 104 to 104. Set to 174. The descrambler modules 104 to 174 perform descrambling of the encrypted content using the set Ks, and send the descrambled broadcast program signal to the recording / playback control module 109. The recording / playback control module 109 records a broadcast program signal in the recording module 111 or outputs it to the AV decoding module 105.

  The recording module 111 is an HDD, a disk drive, or an SD (registered trademark) card reader / writer, and records a broadcast program signal from the recording / playback control module 109. The recording module 111 is not an essential component of the digital broadcast receiving apparatus 101 but may be a device connected to the digital broadcast receiving apparatus 101. In this case, the output from the recording / playback control module 110 is transferred to the recording module 111 via an IEEE 1394 interface or an HDMI (High-Definition Multimedia Interface) interface. The AV decoding module 105 decodes the broadcast program signal into AV information (video and audio).

  AV information decode output (AV output) is output to the display device 200 or an external monitor (not shown) via the display processing module 106. The display processing module 106 has a GUI (Graphical User Interface) function for presenting information to the user by OSD (On Screen Display) or the like. With this GUI function, the recording setting screen shown in FIGS. 2 to 5 is displayed on the display device 200 or the external monitor. Further, the GUI function displays an EPG (electronic program guide) screen shown in FIG. 6 on the display device 200 or an external monitor. The digital broadcast receiving apparatus 101 acquires an EPG from the broadcast signal. Alternatively, the digital broadcast receiving apparatus 101 acquires an EPG via a network.

  The operation input module 180 inputs various operations from the user. For example, the operation input module 180 inputs automatic recording settings, recording time settings, and recording time zone settings from the user. The operation input module 180 may correspond to a fixed operation panel attached to the digital broadcast receiving apparatus 101, or may be a remote controller separated from the digital broadcast receiving apparatus 101.

  Next, recording time setting at the time of automatic recording will be described. As described above, the digital broadcast receiving apparatus 101 includes eight or more tuner modules. That is, the digital broadcast receiving apparatus 101 can simultaneously record at least 8 channels.

  For example, when the user sets automatic recording for channels 1 to 8 through the operation input module 180 and sets the recording time zone for all days (24 hours) for channels 1 to 8, the recording / playback control module 109 sets the recordable time (days) for channels 1 to 8 based on the remaining capacity of the recording module 111. For example, the recording / playback control module 109 sets 10 days of recordable time for channels 1 to 8. The recording / playback control module 109 records the program data for 10 days of the channels 1 to 8 on the recording module 111 based on the set recording time zone (all days) and the recordable time (10 days) of the channels 1 to 8, and then The recording / playback control module 109 overwrites the oldest program data of channels 1 to 8 with the oldest program data of channels 1 to 8. As a result, the recording module 111 always holds the latest 10 days of program data of channels 1-8.

  Next, the optimum automatic recording will be described with reference to FIGS. First, the first optimum automatic recording will be described with reference to FIGS.

  For example, as shown in FIG. 2, the recording time zone of all days (24 hours) is set for channels 1 to 8, the recordable time of 2 days is set for channels 1 to 8, and automatic recording starts. Suppose that Accordingly, the program data of channels 1 to 8 are accumulated in the recording module 111 for a maximum of two days. Alternatively, as shown in FIG. 3, a recording time zone of golden time (19:00 to 22:00) is set for channels 1 to 8, and a recordable time of 16 days is set for channels 1 to 8. Suppose that automatic recording is started. Accordingly, program data of channels 1 to 8 is accumulated in the recording module 111 for a maximum of 16 days. When the user selects program data stored in the recording module 111 via the operation input module 180, the recording / playback control module 109 plays back the selected program data. Thereby, the user can view the program data accumulated in the recording module 111.

  At this time, the recording / playback control module 109 collects the viewing history of the recorded data. The viewing history collected by the recording / playback control module 109 is the viewing frequency of channels 1-8. For example, as shown in FIG. 4, the recording / playback control module 109 has 80 times of viewing the recorded data of the channel 1 (or 80 hours of viewing time) and 50 times of viewing the recorded data of the channel 6 (or The viewing time of the recording data of channel 4 is 30 times (or viewing time is 30 hours, etc.), the viewing number of the recording data of channel 7 is 5 times (or viewing time is 5 hours, etc.), The number of times that the recorded data of channel 5 is viewed 5 times (or 5 hours of viewing time, etc.), the number of times of viewing the recorded data of channel 2 is 0 (or 0 hours of viewing time, etc.), the number of times of viewing the recorded data of channel 8 Is collected 0 times (or viewing time is 0 hours, etc.), and the number of viewing times of the recorded data of channel 3 is collected 0 times (or viewing time is 0 hours, etc.). Note that viewing for a predetermined time or longer (for example, 10 minutes or longer) is counted as one time.

  The recording / playback control module 109 changes the recordable time (number of days) based on the viewing frequency of the channels 1 to 8. For example, the recordable time (number of days) of channel 1 with high viewing frequency is changed from 2 days (or 16 days) to 23 days, and the recordable time (number of days) of channel 6 with high viewing frequency is set to 2 days (or 16 days). Day) to 16 days, and the recordable time (number of days) of channel 4 with standard viewing frequency is changed from 2 days (or 16 days) to 10 days, and the recordable time of channel 7 with slightly lower viewing frequency (Days) is changed from 2 days (or 16 days) to 3 days, and the recordable time (number of days) of channel 5 with a slightly low viewing frequency is changed from 2 days (or 16 days) to 3 days. The recordable time (number of days) of low channel 8 is changed from 2 days (or 16 days) to 1 day, and the recordable time (number of days) of channel 3 with low viewing frequency is changed from 2 days (or 16 days) to 1 day. change.

  Thereby, the storage resource of the recording module 111 can be used effectively. That is, for channel 1 with high viewing frequency, recording data for about 23 days is accumulated. Thereby, the user can watch the program of channel 1 broadcasted 23 days ago. On the other hand, for the channels 8 and 3 with low viewing frequency, only recording data for about one day is stored. As a result, the user can view only the programs of channels 8 and 3 broadcast one day ago.

  A history of how much past program data has been viewed may be collected, and the recordable time (number of days) may be varied based on this history. For example, if it is known that the program data for channel 1 is frequently viewed 20 days ago, the recording data for 20 days + α (about 1 or 2 days) is always stored for channel 1, and channel 2 If it is known that the program data of the previous day is frequently viewed, for channel 2, recording data for one day + α (about one or two days) is always accumulated.

  Since the stream rate differs for each channel, the recording capacity for the recordable time for each channel is calculated after considering the stream for each channel, and the total storage capacity of all the channels is the remaining capacity of the recording module 111. It is necessary not to exceed.

  Terrestrial digital broadcasting is 1787.28 kbps / segment, and the rate of terrestrial digital broadcasting is 18255.77 kbps to 23.23464 Mbps.

  In the BS / CS digital broadcasting, the transmission speed is 28.860 megabaud, and the intra-trellis coding 2/3 and the outer coding RS (204,188) are the maximum in coding under the condition of the modulation scheme 8PQK. Therefore, in all 48 slots, the information rate≈28.860M × 3 (8PQK) × 2/3 (trellis) × 188/204 (RS) × 204/208 (phase reference burst) = 52.17 Mbps.

  In other words, the recording / playback control module 109 determines the remaining capacity of the recording module 111, the set recording time zone set for each of the channels 1 to 8, and the rates of the channels 1 to 8, respectively. The recordable time is calculated for.

  The digital broadcast receiving apparatus 101 acquires information regarding the rate of each channel from the attribute information (for example, EPG) of the broadcast signal. Alternatively, the digital broadcast receiving apparatus 101 acquires information regarding the rate of each channel via the network.

  Next, the second optimum automatic recording will be described with reference to FIG.

  For example, it is assumed that a recording time zone for all days (24 hours) is set for channels 1 to 8, a recordable time for 2 days is set for channels 1 to 8, and automatic recording is started. Accordingly, the program data of channels 1 to 8 are accumulated in the recording module 111 for a maximum of two days. When the user selects program data stored in the recording module 111 via the operation input module 180, the recording / playback control module 109 plays back the selected program data. Thereby, the user can view the program data accumulated in the recording module 111.

  At this time, the recording / playback control module 109 collects the viewing history of the recorded data. The viewing history collected by the recording / playback control module 109 is the viewing frequency for each time zone of the channels 1 to 8. For example, as shown in FIG. 5, all the days (00: 0 to 24:00), early morning (04: 0 to 07:00), morning (07: 0 to 12:00), afternoon ( 12: 00 to 19:00), Golden Time (19: 00 to 22:00), Late Night (22: 00 to 02:00), and other viewing frequencies.

  For example, as shown in FIG. 5, the recording / playback control module 109 has 20 times of viewing the recorded data in the early morning of channel 1 (or 20 hours of viewing time) and the number of times of viewing the recorded data in the morning of channel 1. 20 times (or 20 hours of viewing time, etc.), 20 viewing times of the recorded data in the afternoon of channel 1 (or 20 hours of viewing time, etc.), 20 times of viewing time of the recorded data of the golden time of channel 1 (20 times) Or, a viewing time of 20 hours or the like), and the number of viewing times of the recorded data of channel 1 at midnight is 20 (or a viewing time of 20 hours or the like). Note that viewing for a predetermined time or longer (for example, 10 minutes or longer) is counted as one time.

  Similarly, the recording / playback control module 109 has 100 times of viewing the recorded data in the early morning of channel 2 (or 100 hours of viewing time, etc.) and 0 times of viewing of the recorded data in the morning of channel 2 (or viewing time). Channel 2 afternoon recorded data is viewed 0 times (or viewing time is 0 hours, etc.), and channel 2 golden time recorded data is viewed 0 times (or viewing time is 0 hours). ), And the number of times of viewing the recorded data of channel 2 at midnight is 0 (or the viewing time is 0 hours, etc.).

  Similarly, the recording / playback control module 109 has 0 times of viewing the recorded data in the early morning of channel 3 (or viewing time 0 hours, etc.) and 0 times of viewing the recorded data in the morning of channel 3 (or viewing time). Channel 3 afternoon recording data is viewed 0 times (or viewing time is 0 hours, etc.), and channel 3 golden time recording data is viewed 100 times (or viewing time is 100 hours). Etc.), and the number of times of viewing the recorded data of channel 3 at midnight is 0 (or the viewing time is 0 hours, etc.).

  Similarly, the recording / playback control module 109 has 0 times of viewing the recorded data in the early morning of channel 4 (or viewing time 0 hours, etc.) and 0 times of viewing the recorded data in the morning of channel 4 (or viewing time). Channel 4 afternoon recording data is viewed 0 times (or viewing time is 0 hours, etc.), and channel 4 golden time recording data is viewed 100 times (or viewing time is 100 hours). Etc.), and the number of times of viewing the recorded data of channel 4 at midnight is 0 (or the viewing time is 0 hours, etc.).

  Similarly, the recording / playback control module 109 has 0 times of viewing the recorded data in the early morning of channel 5 (or 0 hours of viewing time) and 0 times of viewing of the recorded data in the morning of channel 5 (or viewing time). Channel 5 afternoon recording data is viewed 0 times (or viewing time 0 hours, etc.), and channel 5 golden time recording data is viewed 50 times (or viewing time 50 hours). And the like, 50 times (or 50 hours of viewing time, etc.) of the recorded data of midnight of channel 5 is collected.

  Similarly, the recording / playback control module 109 has 20 times of viewing the recorded data in the early morning of channel 6 (or 20 hours of viewing time) and 20 times of viewing of the recorded data in the morning of channel 6 (or viewing time). For example, 20 hours for viewing recorded data in the afternoon of channel 6 (or 20 hours for viewing time, etc.), and 20 times for viewing recording data for golden time in channel 6 (or 20 hours for viewing time). Etc.), the number of viewing times of the recording data in the midnight of channel 6 is collected 20 times (or viewing time is 20 hours, etc.).

  Similarly, the recording / playback control module 109 has 0 times of viewing the recorded data in the early morning of channel 7 (or viewing time 0 hours, etc.) and 0 times of viewing the recorded data in the morning of channel 7 (or viewing time). Channel 7 afternoon recording data is viewed 0 times (or viewing time is 0 hours, etc.), and channel 7 golden time recording data is viewed 100 times (or viewing time is 100 hours). Etc.), the number of times of viewing the recorded data of the channel 7 at midnight is 0 (or the viewing time is 0 hours, etc.).

  Similarly, the recording / playback control module 109 has 0 times of viewing the recorded data in the early morning of channel 8 (or 0 hours of viewing time) and 0 times of viewing of the recorded data in the morning of channel 8 (or viewing time). Channel 8 afternoon recording data is viewed 0 times (or viewing time is 0 hours, etc.), and channel 8 golden time recording data is viewed 100 times (or viewing time is 100 hours). And the like, the number of times of viewing of the recording data in the midnight of channel 8 is collected 0 times (or the viewing time is 0 hours, etc.).

  The recording / playback control module 109 changes the set recording time zone (all days) and further changes the recordable time (2 days) based on the viewing frequency of channels 1 to 8 for each time zone. For example, the set recording time zone (all days) of channel 1 that is viewed evenly in each time zone is continuously set to all days, the recordable time is changed from 2 days to 10 days, and the viewing frequency of the early morning time zone is changed. Change the setting recording time zone (all days) of high channel 2 to early morning, change the recordable time from 2 days to 10 days, and set the recording time zone of channel 3 (all days) that is frequently viewed in the golden time zone Is changed to the golden time, the recordable time is changed from 2 days to 10 days, the set recording time zone (all days) of the channel 4 that is frequently viewed in the golden time zone is changed to the golden time, and the recordable time Was changed from 2 days to 10 days, and the set recording time zone (all days) of channel 5 with slightly higher viewing frequency in the golden time and late-night time zone is golden. Im and midnight, the recordable time is changed from 2 days to 10 days, the set recording time zone (all days) of channel 6 being watched evenly in each time zone is continuously set to all days, and the recordable time Is changed from 2 days to 10 days, the set recording time zone (all days) of channel 7 that is frequently viewed in the golden time zone is changed to golden time, the recordable time is changed from 2 days to 10 days, The set recording time zone (all days) of the channel 8 with high viewing frequency in the golden time zone is changed to the golden time, and the recordable time is changed from 2 days to 10 days. In other words, the changed recording time zone includes a time zone in which a viewing frequency higher than a reference value (for example, 10 times or 10 hours) is obtained, and does not include a time zone in which a viewing frequency less than the reference value is obtained. Become.

  In the above description, the case where the recordable time of channels 1 to 8 is uniformly changed to 10 days has been described. However, depending on the length of the set recording time zone of channels 1 to 8, recording of channels 1 to 8 is performed. The possible time zone may be changed. For example, since the set recording time zone of channel 1 is all days, the recordable time of channel 1 is set to 5 days, and the set recording time zone of channel 2 is only early morning, so the recordable time of channel 2 is set to 15 days. The channel 3 set recording time zone is only golden, so the channel 3 recordable time is set to 15 days, and the channel 4 set recording time zone is only golden, so the channel 4 recordable time is 15 Set to day, channel 5 set recording time zone is golden and midnight, so channel 5 recordable time is set to 10 days, channel 6 set recording time zone is all day, channel 6 recordable time Is set to 5 days, the set recording time zone of channel 7 is only golden, so the recordable time of channel 7 is set to 15 days, Set recording time slot of Yan'neru 8 to set the recording time of the channel 8 for only golden in 15 days.

  In the above description, the recording / playback control module 109 changes the set recording time zone (all days) and further changes the recordable time (2 days) based on the viewing frequency of channels 1 to 8 for each time zone. As described above, the recording / playback control module 109 changes the set recording time zone (all days) for each day of the week based on the viewing frequency of channels 1 to 8 for each time zone and each day of the week, and further records possible time (2 days). May also be changed.

  Next, identification between automatic recording and program-designated recording will be described. The digital broadcast receiving apparatus 101 can display the EPG screen shown in FIG. 6 on the display apparatus 200 or an external monitor. The EPG screen includes automatic recording information and program designation recording information. For example, on this EPG screen, automatic recording information corresponding to the automatic recording state shown in FIG. 5 (thick frame), channel 3 program 17, channel 4 program 22, and channel 8 program 43 are designated for recording. Program-designated recording information (hatching) corresponding to the recorded state. That is, the user designates automatic recording via the operation input module 180 and designates recording of the program 17 of channel 3, the program 22 of channel 4, and the program 43 of channel 8 on the EPG. Further, the EPG screen shown in FIG. 6 displays the presence / absence of automatic recording in each channel header item by an icon, a character, or the like. Thereby, for example, it is understood that the automatic recording is set for the channel 2 even if the set recording time zone of the automatic recording for the channel 2 is out of the EPG screen.

  As described above, the digital broadcast receiving apparatus 101 can output an EPG including automatic recording information and program-designated recording information, so that the user can easily distinguish between automatic recording and program-designated recording.

  Furthermore, the recording / playback control module 109 has an automatic recording learning function, whereby the recording / playback control module 109 can also include program-specified recording conditions in the automatic recording. For example, the recording / playback control module 109 broadcasts the time zone of the program 17 of the channel 3 (or the broadcast of the program 17 of the channel 3) based on the recording designation of the program 17 of the channel 3, the program 22 of the channel 4, and the program 43 of the channel 8. Time zone of the day of the week), the time zone of the program 22 of the channel 4 (or the time zone of the broadcast day of the program 22 of the channel 4), and the time zone of the program 43 of the channel 8 (or the time of the broadcast day of the program 43 of the channel 8). Band) can be included in automatic recording.

  The module described in the present specification may be realized by hardware, or may be realized by software using a CPU or the like.

  Note that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage. In addition, the embodiments may be appropriately combined as much as possible, and in that case, the combined effect can be obtained. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, the problem described in the column of the problem to be solved by the invention can be solved, and the effect described in the column of the effect of the invention Can be obtained as an invention.

It is a figure explaining the structure of the digital broadcast receiver (recording control apparatus) which concerns on one embodiment of this invention. It is a figure which shows an example of a video recording setting screen. It is a figure which shows an example of a video recording setting screen. It is a figure which shows an example of a video recording setting screen. It is a figure which shows an example of a video recording setting screen. It is a figure which shows an example of an EPG screen.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 101 ... Digital broadcast receiver, 102-172 ... Tuner, 103-173 ... Transport stream (TS) separation module, 104-174 ... Descrambler module, 105-175 ... AV decode module, 106 ... Display processing module, 107 ... CAS control module, 107a ... card slot (card interface I / F), 108 ... CAS module (CAS card / IC card), 109 ... recording / playback control module, 111 ... recording module, 112 ... operation input module, 200 ... display device

Claims (9)

Recording setting means for setting a recording time zone and recording days for each of a plurality of channels;
A plurality of channel selection means for selecting a channel broadcast signal from the plurality of channel broadcast signals;
Recording control means for controlling recording of each broadcast signal of the plurality of channels selected by each of the plurality of channel selection means, based on the set recording time zone of each of the plurality of channels;
Viewing history collection means for collecting a viewing history of recorded data recorded under the control of the recording control means;
Changing means for changing the number of recording days set for each of the plurality of channels based on the viewing frequency of each channel included in the viewing history;
A recording control apparatus comprising: Recording setting means for setting a recording time zone for each of a plurality of channels;
A plurality of channel selection means for selecting a channel broadcast signal from the plurality of channel broadcast signals;
Recording control means for controlling recording of each broadcast signal of the plurality of channels selected by each of the plurality of channel selection means, based on the set recording time zone of each of the plurality of channels;
Viewing history collection means for collecting a viewing history of recorded data recorded under the control of the recording control means;
Changing means for changing the set recording time zone of each of the plurality of channels based on the viewing frequency of each channel included in the viewing history.
A recording control apparatus comprising:   Among the changed recording time zones of the plurality of channels changed by the changing means, the predetermined changed recording time zone of the predetermined channel includes a time zone in which a viewing frequency higher than a reference value is obtained in the predetermined channel, and The recording control apparatus according to claim 2, wherein the predetermined channel does not include a time zone in which a viewing frequency equal to or lower than the reference value is obtained. The recording setting means sets the number of recording days of each of the plurality of channels in correspondence with the set recording time zone of each of the plurality of channels,
The recording control means is configured to select each of the plurality of channels selected by each of the plurality of channel selection means based on the set recording time period of each of the plurality of channels and the set recording days of each of the plurality of channels. Control the recording of broadcast signals,
The changing means changes to the set recording days for each of the plurality of channels in response to changing the set recording time zone for each of the plurality of channels to the changed recording time zone for each of the plurality of channels. ,
The recording control apparatus according to claim 2.   5. The recording control apparatus according to claim 4, wherein the changing unit extends the set recording days of the predetermined channel when the set recording time zone of the predetermined channel is shortened.   The changing means changes the set recording time zone set for each of the plurality of channels for each day of the week based on the viewing frequency for each time zone and each day of the week included in the viewing history. The recording control apparatus according to claim 2. Obtaining means for obtaining electronic program information corresponding to the plurality of channels;
Output means for outputting display information for displaying the electronic program information including time zone recording information indicating that recording by the set recording time zone is set for each of the plurality of channels;
The recording control apparatus according to claim 2, further comprising: The recording setting means corresponds to program selection included in the electronic program information, sets recording of the selected program,
The output means includes time slot recording information indicating that recording by the set recording time slot is set for each of the plurality of channels, and program selection recording information indicating that recording by program selection is set. Outputting display information for displaying the electronic program information;
The recording control apparatus according to claim 7. Set the recording time zone for each of multiple channels,
Based on the set recording time zone of each of the plurality of channels, control the recording of each broadcast signal of the plurality of channels selected by each of a plurality of channel selection means,
Collecting a viewing history of recorded data recorded by the recording control;
Changing the set recording time zone of each of the plurality of channels based on the viewing frequency of each of the plurality of channels included in the viewing history.
A video recording control method.

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