WO2019059313A1 - Dispositif d'enregistrement/lecture - Google Patents

Dispositif d'enregistrement/lecture Download PDF

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Publication number
WO2019059313A1
WO2019059313A1 PCT/JP2018/034917 JP2018034917W WO2019059313A1 WO 2019059313 A1 WO2019059313 A1 WO 2019059313A1 JP 2018034917 W JP2018034917 W JP 2018034917W WO 2019059313 A1 WO2019059313 A1 WO 2019059313A1
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WO
WIPO (PCT)
Prior art keywords
data
recording
program data
program
reproducing apparatus
Prior art date
Application number
PCT/JP2018/034917
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English (en)
Japanese (ja)
Inventor
昌康 有吉
健 籠屋
Original Assignee
株式会社 Ｐｔｐ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 株式会社 Ｐｔｐ filed Critical 株式会社 Ｐｔｐ
Priority to JP2018561285A priority Critical patent/JP7164113B2/ja
Publication of WO2019059313A1 publication Critical patent/WO2019059313A1/fr

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present invention relates to a recording and reproducing apparatus, and more particularly to a recording and reproducing apparatus that provides a user with desired information when reproducing recorded program data.
  • Patent Document 1 a technology for recording all television broadcasts for one day has been proposed.
  • Patent Document 1 only reproduces the program data as it is when reproducing the recorded program data (television program). If all program data for one day is recorded, despite the possibility of performing various processing on the program data, the possibility is not sought but for one day The effect of recording all program data remains that there is a large amount of program data that can be reproduced.
  • the recording and reproducing apparatus of the present invention is Recording means for recording program data on a recording medium; Reproduction means for reproducing program data recorded on the recording medium; A detection unit that detects an on / off state of a power source of a display medium of video data of program data reproduced by the reproduction unit; An output unit for outputting a content to be notified to the user when the detection unit detects that the power of the display medium is on and the program data is not reproduced by the reproduction unit; Equipped with
  • the output means can also output the content when there is no instruction from the user beyond a predetermined time from the start of display of the menu screen, and the state in which the content is displayed by the output means The display state of the menu screen may be returned when an arbitrary instruction is given by the user.
  • the output means may output the content when an arbitrary instruction is issued except an instruction to stop reproduction of the program data in a state where the program data is displayed by the reproduction means.
  • the arbitrary instruction is an instruction to pause reproduction of the program data, an instruction to turn on the power of the display medium, an instruction to fast forward the program data, an instruction to rewind the program data, and skip the program data
  • the display processing by the reproduction means may be returned to when the user arbitrarily gives an instruction.
  • output at least one of video data and audio data of CM data as the content or output at least one of video data and audio data of CM data as an advertisement request target explicitly indicated by an advertiser as the content.
  • the present invention relates to a recording medium on which content including program data having program corner data and CM data is recorded; Reproduction means for reproducing the content recorded on the recording medium; A database storing information indicating other content that can be interrupted with respect to the content reproduced by the reproduction means; The information processing apparatus may further include: an interrupt control unit that interrupts the content being played back with the other content when it is determined that the other content is present with reference to the database.
  • a recording and reproducing apparatus is: A recording medium on which content including program data having program corner data and CM data is recorded; Reproduction means for reproducing the content recorded on the recording medium; A database storing information indicating other content that can be interrupted with respect to the content reproduced by the reproduction means; And interrupt control means for interrupting the other content to the content being reproduced when it is determined that the other content is present with reference to the database.
  • CM data recorded on the recording medium is to be reproduced
  • information indicating whether or not CM data recorded on the recording medium is to be reproduced is stored in the database. Prior to reproduction of CM data recorded on the recording medium, it is determined whether the CM data is to be reproduced by referring to the database. When it is determined that the CM data is not to be reproduced, the CM data may be replaced with the other content for reproduction without being reproduced.
  • the present invention is a storage unit for storing position data indicating a recording destination of content to be reproduced when there is no interruption of the other content when the other content is reproduced by the reproduction unit. You may have.
  • the content may be moving picture, still picture, voice or text information fetched from the outside of the recording and reproducing apparatus itself.
  • the information stored in the database can be determined based on the attribute of CM data, the attribute of the user, and the attribute of the other content.
  • the present invention is provided with setting means connected to the above-mentioned recording and reproducing apparatus via a network and setting information stored in the database.
  • the recording and reproducing system of the present invention comprises the above-mentioned recording and reproducing device and the above-mentioned server.
  • a recording and reproducing apparatus is A recording medium on which the received program data is recorded; A storage medium storing metadata indicating an appearance target of video data of the program data; Reproduction means for reproducing program data recorded on the recording medium; An output unit that outputs information related to the appearance target corresponding to metadata corresponding to the program data when the program data is reproduced by the reproduction unit in a mode in which the television receiver displays the information on the appearance target on the television receiver; Equipped with
  • the metadata includes period data indicating an appearance period of an appearance target in the program data
  • the output means can output information regarding the appearance target when the video data of the appearance target is displayed on the television receiver based on the period data.
  • the output means may further comprise setting means for setting a display position of the information concerning the appearance object when the information concerning the appearance object is outputted.
  • the display position may be a peripheral portion including the lower portion of the television receiver, or may be a portion generated by performing reduction display without displaying the entire program data.
  • the information on the appearance target may include control means for controlling the speed or the number of characters to be displayed by ticker according to the genre of the program data and the genre of the program corner constituting the program data.
  • the control means can also determine the display type of ticker display, the number of displays, the display interval, the display timing, and the display content based on the genre of the program data, the broadcast time of the program data, and the like.
  • the present system may include the above-described recording and reproducing device and a remote controller for remotely controlling the operation of the recording and reproducing device, and the remote controller may be provided with a button for instructing start of the ticker display. .
  • ticker display function information on performers in program data, for example, commentator's name, birth year, career, etc. are displayed as tickers or appear on news programs With regard to university professors, it is possible to effectively display information to be notified by the user when the names, affiliated universities, research themes, etc. are displayed in a ticker.
  • a recording and reproducing apparatus is A recording medium on which received program data is recorded in a file format; Reproduction means for reproducing program data recorded on the recording medium; An assigning unit that assigns a flag to a file that is an object to which playback of program data by the playback unit is to be restricted; And storage means for storing program data newly received for the file to which the flag is assigned by the assignment means.
  • the storage means can store program data newly received for the file in which the oldest program data is stored.
  • the storage means may store program data transmitted from a plurality of television program broadcast stations in a plurality of different files simultaneously.
  • the specifying means for specifying the file to which the flag is given by the giving means
  • the specifying means is the behavior of the user with respect to the main body of the recording / reproducing apparatus and the viewer for the program data obtained via the network. And the rating of the program data, the type and broadcasting time of the program data, and the elapsed time since the program data was broadcasted.
  • CM data is recorded on the recording medium.
  • the mobile terminal of some embodiments of the present invention A unit for receiving at least a part of program data transmitted from the recording / reproducing apparatus through a wireless channel; Means for outputting at least a portion of the program data; Can be provided.
  • a recording / reproduction system including the portable terminal may be used.
  • the recording includes a unit for transmitting at least a part of program data reproduced by the portable terminal to the portable terminal through a wireless channel. And a playback device.
  • FIG. 4 is a schematic configuration diagram of the digital recording and reproducing system of the present embodiment.
  • FIG. 11 is a time chart showing the operation of the digital recording and reproducing system shown in FIG. First, an overview of the digital recording and reproducing system of the present embodiment will be described.
  • FIG. 4 shows a digital recording and reproducing apparatus 10 in which program data and the like transmitted from a television signal transmitting station are recorded, and a time index used when reproducing program data and the like recorded in the digital recording and reproducing apparatus 10.
  • a time index server 50 to be recorded, a network such as the Internet connecting these, and a database attached to the time index server 50 (hereinafter, referred to as "DB") are shown.
  • Program data is a digital signal or analog that has program corner data and commercial data (hereinafter referred to as “CM data”) formed by dividing program data, and includes video data and audio data. It is a broadcast wave consisting of signals or data available through a network such as the Internet.
  • the digital recording and reproducing apparatus 10 includes a recording medium such as a hard disk in which program data and the like are recorded, and as an example, program data and the like are constantly recorded. Further, the digital recording and reproducing apparatus 10 is provided with a plurality of tuners, and is provided with an A / D converter so as to process analog broadcasted program data.
  • CM data is included in addition to program corner data.
  • the digital recording and reproducing apparatus 10 can also record metadata attached to the CM data, moving images, still images, sounds, text information, etc. fetched from the outside of the recording and reproducing apparatus itself. .
  • time data every one second including the "recording start time” at the time of recording the program data etc. and a physical or logical recording destination such as program data
  • the "position data" is recorded on the recording medium together with the program data.
  • the manager of the time index server 50 creates title data and a time index as follows (step S2).
  • the title data indicates a title assigned to each of program data, program corner data, and CM data.
  • the time index is an index for specifying the broadcast start time and broadcast end time of program corner data and the like.
  • program corner data corresponding to one time front, one time back, two times back, twice back, etc. for program data of baseball relay is a news program
  • program corner data For program data, top news, today's feature, weather forecast, today's horoscope and economic news etc. become program corner data.
  • the administrator of the time index server 50 divides the program data while viewing the already broadcasted television programs, and specifies what time each program corner data and each CM data has been broadcast from when to what time Then, a time index etc. is created and recorded in a DB attached to the time index server 50.
  • the time index and the like created by the manager of the time index server 50 are periodically or irregularly recorded in the time index server 50 (step S3).
  • the digital recording and reproducing apparatus 10 actively or passively receives title data and time index recorded in the time index server 50 (step S4).
  • step S4 when title data and the like are received, it is possible to associate them with program data already recorded. This association may be performed, for example, immediately after the execution of step S4, or may be performed at the time of execution of step S7 described later.
  • the user of the digital recording and reproducing apparatus 10 tries to reproduce program data, first, the user operates the remote controller or the like to transmit title data to the digital recording and reproducing apparatus 10. Perform display instruction. Specifically, as one example, when the user designates specific program data through the remote controller and then presses the playback button of the remote controller, a signal indicating the display instruction is transmitted to the digital recording and reproducing apparatus 10 (Step S5).
  • the digital recording / reproducing apparatus 10 is provided with a table memory etc. in which an identifier corresponding to each button of the remote controller and an instruction content corresponding to the identifier are recorded in a pair.
  • the digital recording and reproducing apparatus 10 receives a signal transmitted from the remote controller, the digital recording and reproducing apparatus 10 specifies a corresponding instruction by referring to the table memory or the like.
  • the digital recording and reproducing apparatus 10 outputs a list of received title data and the like to a television (hereinafter referred to as "TV") according to the above-mentioned command (step S6).
  • TV television
  • the user can select the title data of the program data to be reproduced while browsing the display of the TV. Thereafter, when the user finishes selecting the program data to be reproduced, the user may transmit the result to the digital recording and reproducing apparatus 10 by operating the remote controller or the like (step S7).
  • the digital recording and reproducing apparatus 10 When the digital recording and reproducing apparatus 10 receives the selection result from the user transmitted from the remote controller, it refers to the "time index” such as the program corner data corresponding to the "title data", and the program corner data etc. Identify the "broadcast start time” of Next, the digital recording and reproducing apparatus 10 refers to the recording medium based on the specified broadcast start time, and searches for "position data" corresponding to the broadcast start time (step S8).
  • step S7 the digital recording and reproducing apparatus 10 reproduces program corner data and the like in accordance with the retrieved "position data" (step S7).
  • the digital recording and reproducing apparatus 10 of this embodiment is demonstrated.
  • the digital TV signal received by each tuner is expanded and re-compressed as needed by the converter, and converted into a digital signal.
  • Program data of the converted digital signal is compressed and recorded on a hard disk drive.
  • the compressed program data is decompressed and reproduced by the output device based on the reception of the input signal relating to the reproduction.
  • the “output device” corresponds to, for example, a TV to which the digital recording and reproducing device 10 of the present embodiment is electrically connected and a portable terminal described later.
  • the digital recording / reproducing apparatus 10 constantly records a television program of a broadcasting station for 24 hours according to the tuning contents of the tuner 12. However, recording of a time zone in which a late-night television program is not broadcast or recording of a television program for which the user has set recording prohibition is not intended.
  • the "always-on recording” is a function in which the digital recording and reproducing apparatus 10 records a television program even when the user does not set the recording operation.
  • each function of each part of the digital recording and reproducing apparatus 10 will be described in detail.
  • the hardware configuration of the digital recording and reproducing apparatus 10 is shown in FIG.
  • the digital recording and reproducing apparatus 10 selects an electric wave of a channel designated by the user from among the electric wave received by the antenna 11 and the electric wave received by the antenna 11 and distributed by an antenna distributor (not shown).
  • a plurality of tuners 12 to demodulate to a John signal a converter (re-compressor / converter) 14 for converting, for example, an MPEG stream output from the plurality of tuners 12 into an appropriate bit rate, resolution, and compression method, and recording program data
  • the HDD 17 also includes a plurality of randomly accessible hard disk drives (hereinafter referred to as HDDs) 17 (17a and 17b), and an HDD control unit 18 that writes data to the HDD 17, reads data, and performs various controls.
  • the tuner 12 is tunable to receive a plurality of broadcast waves.
  • a plurality of tuners may be physically provided, or one tuner 12 may be capable of performing tuning corresponding to a plurality of broadcast waves.
  • the tuner 12 is composed of, for example, eight tuners, and can perform television viewing and recording for eight channels. Therefore, for example, in addition to the seven terrestrial channels in the Tokyo area, one channel of a satellite broadcasting station such as BS or CS can be received.
  • the digital recording and reproducing apparatus 10 according to the present embodiment is not limited to television viewing in Japan, and the like, and can also perform television viewing and the like overseas by adjusting the tuner 12.
  • the configuration has one tuner board with eight tuners contained in one, and two encoder boards equipped with an encoder capable of simultaneously processing four video signals. There is. It is not essential to use an encoder, a multiplexer or the like, and the program data etc. received through the tuner 12 may be recorded without being encoded or separated.
  • one tuner board containing eight tuners in one board and four encoder boards that process two video signals simultaneously may be such that four encoder boards simultaneously process signals, two tuner boards including four tuners in one, and two encoder boards simultaneously processing four video signals.
  • eight tuners 12 are mounted in the present embodiment, the number of tuners 12 is not particularly limited, and can be increased or decreased as needed.
  • the converter 14 is an A / D converter that converts an analog signal to a digital signal, and / or a D / A converter that converts a digital signal to an analog signal.
  • the converter 14 is a converter provided with a translation unit that performs conversion of bit rate and conversion of resolution to a digital broadcast MPEG stream, and a transcode unit that performs conversion of a compression method.
  • the translating means adopts a system for converting an MPEG-2 stream, but is not limited to this.
  • the transcoding means may be H.
  • the translating means and the transcoding means internally decode the MPEG stream once and re-encode it. The provision of transcoder means is preferable because the variation of the compression scheme increases.
  • the digital recording and reproducing apparatus 10 may be configured as follows, although not limited thereto. That is, when program data is received by the tuner, the demodulator converts the analog signal into a digital signal by performing A / D conversion and demodulation. In the case of so-called digital broadcasting, the processing of the modulator results in an MPEG stream.
  • the tuner and the modulator may be configured by each hardware, or may be configured by a single hardware capable of realizing these operations.
  • the program data is re-encoded as it is as a digital signal by the transcoder.
  • the transcoder is encrypted to prevent unauthorized viewing of program data, so that it can be decoded by a decoder and compressed by an MPEG decoder.
  • the program data is decoded and expanded, and the MPEG encoder has a higher compression ratio by the MPEG encoder.
  • the program data can be recompressed into H.264 format, the encoder can re-encrypt the MPEG stream as needed, and the multiplexer can selectively multiplex it into the multi-channel MPEG stream.
  • encryption processing and decryption processing are not necessary, and multiplexing processing is not essential.
  • all these functions can be combined into one board, which can be prepared for each channel.
  • the digital recording and reproducing apparatus 10 further includes a demultiplexer 19 for separating the MPEG stream read from the HDD 17 into a stream of video signals and a stream of audio signals, an MPEG decoder 20 for receiving the stream of video signals, and an audio signal.
  • An audio decoder 21 for receiving the stream of video
  • a second converter 22a for receiving the stream of video signal decoded by the MPEG decoder 20, converting the received video signal into a digital signal or an analog signal, and outputting it to a TV
  • a third converter 22b that receives the decoded audio signal stream, converts the received audio signal into a digital signal or an analog signal, and outputs the converted signal to a speaker or the like.
  • the second converter 22a and the third converter 22b perform conversion processing in accordance with the input format of the TV or the speaker. That is, when the TV can receive only an analog signal, it performs digital-to-analog conversion processing.
  • the digital recording and reproducing apparatus 10 has a CPU 23 for controlling the entire digital recording and reproducing apparatus 10, and a memory 24 used as a working area for temporarily recording the working area of the CPU 23 and the system stream and recording on the HDD 17. And a signal receiving unit 25 for receiving various input signals from the remote controller and the input unit 28 of the digital recording and reproducing apparatus 10 and transmitting them to the CPU 23, a network controller connected to a LAN or WAN and capable of Internet communication And 26.
  • the CPU 23 receives the command to receive the time index in step S4, the command to output title data in step S5, and the command to reproduce program corner data in step S7 described with reference to FIG. Do.
  • the memory 24 is provided with a program necessary for the CPU 23 to execute these instructions.
  • a real time clock 26b indicating time data and an OSD (On Screen Display) function for displaying a menu, program information and the like so as to cover the video during reproduction of program data.
  • An image processing unit 27 for performing various image processing, and a DVD drive 29 for recording the recorded program data on an optical disk (recording means) such as a DVD are provided.
  • the optical disc not only a DVD disc but also a Blu-ray disc can be adopted. In this case, a Blu-ray drive may be adopted instead of the DVD drive 29.
  • the digital recording and reproducing apparatus 10 may not include the DVD drive 29.
  • the network controller 26 accesses the server according to NTP (Network Time Protocol), inquires the current time, adjusts the real time clock 26b, receives EPG data, and program corner data to be described later. Or receive a time index or send viewing data pertaining to the user.
  • NTP Network Time Protocol
  • the HDD 17 includes a constant recording HDD 17a provided for constant recording, and a storage HDD (storage dedicated recording means) 17b for storing (transferring) part of the recorded program data.
  • the constant recording HDD 17 a enables, for example, recording for eight days.
  • data subjected to data compression processing is recorded in the HDD 17, and this data is decompressed (decompression is restored) at the time of reproduction.
  • the storage HDD 17 b stores program data that the user desires to store, avoiding overwriting by recording at all times.
  • the user selects the desired program data to be stored, and also converts the video data and audio data bit rate of the program data, the resolution (size) of the video data, the compression format (for example, MPEG-2 to MPEG-4 Save, etc.).
  • a DVD (not shown) can be used as a program data storage destination through the DVD drive 29 instead of the storage HDD 17 b.
  • the recording medium is not limited to the HDD, and a hard disk drive capable of random access, a data recording medium such as a DVD, a flash memory, and the like can also be adopted.
  • HDD17 of this embodiment physically mounts two HDDs, it is not limited to this.
  • one HDD may be divided into partitions (another area).
  • the HDD 17 can be expanded as needed.
  • the additional HDD may be used as a storage HDD, an editing HDD for program data, and a working HDD for recording on an optical disk such as a DVD.
  • the program data broadcasted on each channel is continuously recorded on the HDD 17a continuously for 24 hours, for example, 24 hours a day, 365 days a year.
  • recording is performed by the ring buffer method.
  • the ring buffer is a data structure in which a data area such as an HDD is cyclically managed to treat an area of finite length as an area of seemingly infinite length, and one program data of a plurality of channels is constantly recorded in the HDD 17a. Record as a long endless file.
  • program data of a plurality of channels may be recorded as an endless file for each channel.
  • the time index distributed from the server is recorded in a medium physically separate from the program data recorded by the ring buffer method or in another area of the same medium as described below. The time index is used to realize reproduction of desired program data.
  • the “time index” is an index including the broadcast start time and the broadcast end time of program data, program corner data, and CM data.
  • the time index of each program data unit is, for example, a television program created by a server administrator or the like based on a television program guide (including a newspaper, a magazine, etc.) created by each television station, or a television program transmitted by broadcast waves.
  • the table may be used as it is.
  • the manager or the like of the time index server 50 creates the time index of each corner of the program corner data or the CM unit based on the contents of the program data after broadcast, as an example. Each time index is recorded on the time index server 50.
  • the subject of creation of the time index is not limited to the server administrator.
  • the user of the digital recording and reproducing apparatus 10 may be the creation subject of the time index, and the created time index may be solicited to be transmitted via the Internet or the like and recorded on the server.
  • FIG. 2 shows an example of program data of a cooking program. It is assumed that this program data is composed of program corner data of three corners “A to C” and CM data “CM1 to CM3” located between the corners. In this example, the cooking program corresponds to program data, and the corners A to C correspond to program corner data.
  • the "A corner” is broadcast from 11:00 to 11:15
  • the "CM 1” for 2 minutes is broadcast from 11:15
  • the "B” is broadcast from 11:17 to 11:32.
  • the corner will be broadcast.
  • "CM2” for 2 minutes is broadcast from 11:32
  • "C corner” is broadcast from 11:34 to 11:54
  • "CM3" for 6 minutes is broadcast from 11:54.
  • the "A corner” publishes French food recipes
  • the "B corner” publishes Chinese food recipes
  • the "C corner” publishes Indian food recipes.
  • food-related sponsor CMs are broadcasted in "CM1" and "CM2”
  • magazine-related sponsor CMs are broadcasted in "CM3".
  • the server administrator or the like browses this cooking program, and specifies that the cooking program is composed of each corner of “A to C” and “CM 1 to CM 3”. Then, the server administrator or the like creates a time index or the like for each of them.
  • the title data is such that program titles and corner titles can be recognized at a glance. Specifically, as shown in FIG. 3A, title data "Cooking program-French cuisine recipe” in "A corner” and “Cooking program-Chinese cuisine recipe” in "B corner”. Similarly, as shown in FIG. 3B, the titles are [ ⁇ ⁇ confectionery- ⁇ chocolate], ⁇ ⁇ ⁇ - ⁇ senbei, and the like. However, dividing into the format shown in FIGS.
  • CM data for example, a CM name may be assigned to each title. That is, in the example shown in FIG. 3B, a CM name "CM 1" is assigned to one CM data " ⁇ ⁇ confectionery- ⁇ chocolate", and a single CM data "CM ⁇ 2 ⁇ ⁇ ⁇ ⁇ senbei" is called CM2. It is condition of assigning CM name.
  • the time index and the like created by the server administrator and the like are uploaded to the time index server 50 on the Internet.
  • the digital recording / reproducing apparatus 10 accesses the time index server 50 periodically, for example, via the network controller 26, and the time index etc. uploaded to the time index server 50 is from the time of the previous access. Determine if it has been changed.
  • the time index receiving means downloads the time index etc., and the time index recording means stores the time index etc. in the HDD 17.
  • the time index server 50 actively and periodically distributes the time index and the like. You may adopt the push type method.
  • bit rate conversion function In the present embodiment, a bit rate conversion function is adopted for recording program data. It is determined whether program data for eight days of all channels (8 tuners) can always be recorded in the recording HDD 17a, and if it is determined that recording is possible, recording is performed at a preset compression rate for all programs. It is a function of changing and recording the compression rate of program data to be recorded for each program genre when it is determined that recording is impossible. Note that the bit rate conversion itself is not essential, and it is possible to record without performing this kind of compression.
  • FIG. 6 is a flowchart showing the operation of bit rate conversion processing. As shown in FIG. 6, first, when the time set in step S14 last time arrives, the CPU 23 performs processing different from the operation shown in FIG. 6 through the Internet etc. according to the program stored in the memory 24 etc. The read processing of the acquired latest EPG data is executed (step S11).
  • the CPU 23 calculates, from the acquired EPG data, a program data capacity of broadcasting scheduled for eight days from now (step S12).
  • Average program data capacity is stored in advance in a memory (not shown) for each program category such as sports, drama, news, variety and movie, and (2) EPG data Based on the memory, the total capacity of program data for 8 days from the present is calculated.
  • step S12 a means for performing morphological analysis on EPG data, and a word having a high relevance and a genre such as the word "big league” and the genre “sports" are linked. If the synonym dictionary is provided, the process of step S12 can be performed efficiently.
  • the CPU 23 determines whether the storage capacity of the constantly recording HDD 17a is larger than the calculated total capacity of program data for eight days (step S13).
  • the storage capacity of the constantly recorded HDD 17a is not large compared to the total capacity of program data for 8 days calculated, for 8 days at a specified compression rate stored in a memory (not shown)
  • the process shown in FIG. 6 ends.
  • step S14 when the storage capacity of the constantly recording HDD 17a is larger than the calculated total capacity of program data for eight days, a process of changing a prescribed compression rate is performed (step S14).
  • the compression rate is increased by multiplying [the calculated total capacity of program data for 8 days / the storage capacity of the constantly recording HDD 17a] with the prescribed compression rate.
  • the user can set the change priority of the compression rate for each program genre, and the compression rate may be changed according to the priority.
  • Good That is, for example, a user who does not want to change the compression rate for a movie sets the change priority of program data of the movie to "low” and sets the change priority of program data such as news to "high". To make it possible.
  • the CPU 23 refers to the change priority of the user prior to the compression ratio change processing to change the compression ratio to the program data set as "high”, and as a result, the total program data after the compression ratio change processing If the storage capacity of the constantly recording HDD 17a is not large relative to the capacity, the compression rate of program data whose change priority is set to "medium” or "low” is not changed.
  • the CPU 23 sets the read-out time of the EPG data in the next step S11 with reference to the latest EPG data (step S15).
  • the reading time of the EPG data may be, for example, a few minutes before the broadcast start time of the program data. For example, when program data of about one hour is broadcasted from 13:00 and program data of about one hour is broadcast next from 14:00, the read times are set at 12:58 and 13:58, respectively. Do. The set time is determined based on the time measured by the real time clock 26b and the scheduled broadcast time of the program data indicated by the EPG data.
  • the bit rate conversion process shown in FIG. 6 is actually performed for each channel set in the tuner 12. Therefore, as a result of performing the bit rate conversion process shown in FIG. 6, the compression rate for the first channel may be different from the compression rate for the second channel.
  • step S15 the reading time of the next EPG data is set in step S15 of FIG. 6, but when adopting the following modification, first, instead of step S15, for example, every day At 23:55, the genre of program data concerning the broadcasting station set in the tuner 12 is specified from the EPG data scheduled to be broadcast the next day (step S101).
  • the CPU 23 sets the compression rate of each program data with reference to the compression rate stored in the memory (not shown) and subjected to the compression rate changing process shown in FIG. 5 as necessary (step S102). (Step S103).
  • step S11 the reading of the EPG data shown in step S11, which is performed every one hour, becomes unnecessary, and the process of step S15 becomes unnecessary as described above.
  • Delete program data For example, the latest eight days of program data are constantly recorded in the HDD 17a. For example, when the program data recorded in the HDD 17a constantly recorded on the basis of Sunday is viewed, program data of eight days from the current Sunday to the previous Sunday is recorded. Then, new program data is sequentially recorded on the always-recorded HDD 17a in such a manner as to be overwritten on the oldest program data.
  • FIG. 12 is a flowchart showing an operation of image processing after a title data display command. As shown in FIG. 12, when a title data display command is issued, the CPU 23 refers to the DB to acquire a time index of program data recorded in the constantly recorded HDD 17a (step S21).
  • the CPU 23 specifies, for example, the oldest 48 hours worth of title data from the acquired time index (step S22).
  • the CPU 23 performs image processing such as, for example, displaying title data other than the specified title data in color and displaying the specified title data in black and white (step S23).
  • the image processing itself is not limited to this, and the character font relating to the title data of program data having a relatively short time to overwrite is identified as the program data having a relatively long time to overwrite. It should be possible.
  • the digital recording and reproducing apparatus 10 can always stop recording of program data in the recording HDD 17a when broadcast is not performed as in the middle of the night, that is, when a video signal is not received. is there.
  • the tuner 12 may include means for outputting the intensity of the television signal being received.
  • the CPU 23 can detect the presence or absence of a video signal by reading data output from the output means.
  • Some A / D converters include means for determining whether or not a valid video signal is input using the presence or absence of a synchronization signal.
  • the CPU 23 can detect whether a valid video signal is input by acquiring the determination result of the A / D converter.
  • the CPU 23 can also detect that the time not being broadcast has come based on the EPG data and the real time clock 26b.
  • the CPU 23 instructs the HDD control unit 18 to stop the recording of program data in the HDD 17 when it is detected that a valid video signal is not received by any of the above-described methods.
  • the HDD control unit 18 stops recording of program data in the HDD 17 in accordance with an instruction from the CPU 23.
  • the CPU 23 instructs the HDD control unit 18 to resume recording of program data.
  • the HDD control unit 18 resumes recording of program data on the HDD 17 in accordance with an instruction from the CPU 23.
  • FIG. 7 is a time chart showing an operation of assigning each user to, for example, four "personal buttons" provided on the remote controller. Create a user menu corresponding to each of a plurality of users.
  • Step S301 a signal corresponding to the "individual button 1" is transmitted from the remote controller to the digital recording and reproducing apparatus 10.
  • the signal reception unit 25 receives a signal, and the CPU 23 specifies that the “individual button 1” is pressed.
  • the CPU 23 specifies that the "individual button 1” is pressed, the CPU 23 confirms whether or not the user information for the "individual button 1" is registered in the personal information management memory. If the user information is not registered in the personal information management memory, a display instruction of the personal information setting menu is issued to the image processing unit (not shown).
  • the image processing unit reads the image data of the personal information setting menu stored in the image memory in accordance with an instruction from the CPU 23 and outputs the image data to the TV. As a result, the personal information setting menu is displayed on the display (step S302).
  • the digital recording / reproducing apparatus 10 When the user sets information such as his / her name, age, gender, etc. in the digital recording / reproducing apparatus 10 by operating the remote controller while referring to the display contents of the personal information setting menu (step S303), the digital recording The playback device 10 associates the transmitted setting information with the "individual button 1" and registers the associated information in the personal information management memory (step S304).
  • the name of the user is an example, and the user can select one of “father”, “mother”, “big sister”, and “brother”.
  • the digital recording and reproducing apparatus 10 performs a linking operation between the transmitted setting information and the “personal button 2”.
  • the same user may set his / her personal information for a plurality of "personal buttons". Then, the user can manage program data by setting information in the “individual button” for each preference of the user, for example.
  • step S305 After the user information is registered in the personal information management memory, the "individual button 1" is pressed (step S305), and when it is specified that the "individual button 1" is pressed by the CPU 23, the CPU 23 Confirm that the user information is registered in the personal information management memory, read the personal information related to the "personal button 1", and for the image processing unit A user menu display instruction such as the user's name of the button 1 "is issued (step S306).
  • step S307 it is assumed that the user plays desired program data by pressing the play button of the remote controller or the like. Thereafter, it is assumed that the user instructs the storage HDD 17b to save the program data by pressing the save button of the remote controller or the like (step S307).
  • the CPU 23 links the “individual button 1” with the program data at the time of the storage. That is, the program data and the flag indicating the individual button 1 are associated with each other and stored in the storage HDD 17b (step S308).
  • step S309 the user presses the "individual button 1" (step S309), and accordingly, after the menu display relating to the individual button 1 is made in the digital recording and reproducing apparatus 10 (step S310) It is assumed that the user instructs to reproduce the program data stored in the storage HDD 17b (step S311).
  • the CPU 23 specifies the program data to which the flag indicating the individual button 1 is attached to the HDD control unit 18, and outputs the specific result to the CPU 23.
  • the CPU 23 refers to the DB based on the identification result output from the HDD control unit 18, reads the title data of the corresponding program data, and outputs it to the image processing unit.
  • title data of the stored program data related to the "individual button 1" is displayed (step S312).
  • the user presses the "individual button" for the user to select the title data of the program data which he / she instructed to save from among the title data of the program data stored by all the users is displayed.
  • the operability of the digital recording and reproducing apparatus 10 is improved.
  • the "personal button" with the power on / off function of the TV. This is realized by transmitting a signal for switching the power ON / OFF to the TV and a signal indicating the individual button to the digital recording and reproducing apparatus 10 with respect to the individual button.
  • the preset function which made operation of TV of a different maker possible is used for the on-off function of TV power supply, and it is comprised so that a some TV maker can be coped with.
  • the CPU 23 counts program data viewed by each user every January or the like, and compares it with the program genre described above, thereby identifying the preference of the user, associating it with the user menu, and recording it. It can also be done.
  • the CPU 23 extracts unviewed program data which is a program genre conforming to the preference of the user, and instructs the HDD control unit 18 to reproduce the output device. It is also possible.
  • reproduction may be performed in a predetermined order or in a random order.
  • the “preference flag” is a function to randomly reproduce a predetermined program group grouped by a specific genre or the same type. For example, in the mode in which the "child attachment flag" is specified, only programs for children are reproduced in a predetermined order or at random. Further, in the "BGV (background video) mode", only quiet and beautiful programs with few conversations are reproduced in a predetermined order or at random.
  • the recommendation menu is for transmitting title data and the like from the user 1 to the user 2 described above.
  • the day-of-the-week determination menu includes a time selection menu in which the time from 1 o'clock to 24 o'clock can be selected in a pull-down format or a scroll format, And a decision button having a function as a program data reproduction signal.
  • a predetermined time is selected from the time selection menu
  • a predetermined day is selected from the day selection menu
  • the determination button is selected.
  • a means receives a time of day and day of the week selection signal.
  • program data corresponding to the time-of-the-week selection signal is constantly extracted from the recording HDD 17a and reproduced. That is, if the time and day of the week are set in the time-of-the-day determination menu displayed on the top menu screen, it is possible to play back the target program data at high speed.
  • the program data is stored by the user operating the remote controller while reproducing the program data desired to be stored, or specifying the program data desired to be stored, or by inputting an instruction from the input unit 28
  • the program data storage signal receiving means refers to the DB based on the program data, and outputs position data of program data to be stored to the HDD control unit 18 from the corresponding position data and time index.
  • the HDD control unit 18 duplicates the program data recorded in the position data and records the data in the storage HDD 17 b. That is, for the user, if the program data storage menu is selected by specifying the program data desired to be stored, the program data can be stored in the storage HDD 17b.
  • the storage area in the storage HDD 17b may be a virtual area as well as a physical single HDD. That is, the area may be a part of one HDD, or two HDDs may be treated as one area and may be a part thereof.
  • the program data storage menu may be provided with items for prompting the user to make various settings such as compression ratio so that program data can be stored at the compression ratio or the like selected by the user.
  • the digital recording and reproducing apparatus 10 can switch program data to be reproduced. This is a so-called skip function of reproducing program data recorded before and after the program corner data etc. in time while reproducing the program corner data.
  • the remote controller prepares a button indicating "next program", "previous program” or the like.
  • FIG. 8 shows a processing procedure when the “next program” button is pressed. It is assumed that the user presses the “next program” button or the like of the remote controller during reproduction of program corner data.
  • step S 401 When the signal receiving unit 25 receives a signal assigned to the “next program” button or the like of the remote controller (step S 401) and the signal is input to the CPU 23, the CPU 23 determines the program corner data being reproduced. The time index such as the next program corner data is determined with respect to the program corner data being reproduced with reference to the DB, and the position data such as the next program corner data recorded in the constantly recorded HDD 17a is searched The HDD control unit 18 is instructed to do this (step S402).
  • the CPU 23 can determine whether the next program corner data etc. exist temporally with respect to the program data being reproduced (step S403). As a result of the determination, if there is no next program corner data or the like, the process proceeds to step S406. On the other hand, if there is the next program corner data etc., the CPU 23 outputs a stop command of the program data being reproduced to the HDD control unit 18 (step S404), and the next to the HDD control unit 18 An instruction to reproduce program corner data etc. is issued (step S405).
  • the HDD control unit 18 When the HDD control unit 18 receives the search result output from the CPU 23, the HDD control unit 18 reads the next program corner data etc. from the constantly recorded HDD 17a according to the search result.
  • the next program corner data or the like read out is decoded by the MPEG decoder 20 via the demultiplexer 19. As a result, video data and the like output to the TV are switched to video data and the like such as next program corner data.
  • the CPU 23 instructs the image processing unit to output an error display, and then the HDD control unit 18 is displayed before the “next program” button is pressed. It instructs to display the selected program data (S406).
  • the HDD control unit 18 may be controlled to skip in units of program data.
  • FIG. 9 is a conceptual diagram conceptually showing the transition form of program data when the next program button is pressed. As shown in FIG. 9, an animation program broadcast from 19:00 is currently being viewed.
  • the animation program recorded at 19:00 to 20:00 is moved to the drama 1 recorded at 20:00 to 21:00. This movement is performed in units of program data such as animation and drama 1 and in units of corners, and is reproduced without moving to a menu screen for selecting program data.
  • the identifier of the time index is associated with each program data, it is reproduced along the identifier of this time index. That is, in the case of the 19:00 animation program, if the “next program” button is pressed twice, the drama 2 of 21:00 to 22:00 will be reproduced.
  • the "previous program” function was recorded at a time earlier than the program data currently being played, with program data displayed on the TV when the "previous program” button on the remote controller is pressed. Program data is reproduced. As shown in FIG. 10, when the user watching the animation program broadcasted from 19:00 presses the "previous program” button, the animation program recorded from 19:00 to 20:00 is 18:00 Go to the news recorded at 19:00.
  • the CPU 23 instructs the HDD control unit 18 to be program data of the next channel to the program data being reproduced, It instructs to reproduce from the same "time data” portion as the "time data” of the reproduction portion of the program data being reproduced.
  • the HDD control unit 18 specifies, from the constantly recorded HDD 17 a, “time data” related to program data being reproduced, and sets program data of the next channel to position data corresponding to the “time data”. Based on the output, program data to be reproduced is output.
  • the digital recording and reproducing apparatus 10 includes display switching means for program data in the ranking list.
  • the ranking list is a generic name of ranking data and data listed in a predetermined list, such as an audience rating ranking and a popular list by a specific audience group. That is, a ranking list DB in which a ranking list of popular programs etc. received from the time index server 50 etc. and a time index etc.
  • the ranking list DB is referred to and the time index of the program data is located one ranking higher or lower for the program data being reproduced and And means for switching the display of program data based on the corresponding position data. As described above, it is possible to switch program data to be displayed, as in the case where a button such as the “next program” described above is pressed.
  • the administrator of the time index server 50 searches blogs on the Internet, and the search results are totaled and reflected as program rankings, or the time index server 50 periodically
  • pressing the next program button or the previous program button returns to the ranking screen again and saves time and effort to reselect the program, and the selection is made earlier.
  • the program ranked fourth is reproduced without screen switching if the next program button is pressed.
  • the program ranked sixth can be reproduced without screen switching. That is, program data listed and ranked can be viewed one after another without going through the ranking list screen, and the convenience and operability when using the digital storage and reproduction apparatus 10 are further improved.
  • the CPU 23 When acquiring the selection result of the user, the CPU 23 stores the selection result in a memory or the like. Subsequently, the CPU 23 reads the corresponding position data with reference to the DB based on the first title data (for example, title data related to the horizontal link A) stored in the memory, and outputs it to the HDD control unit 18 Do.
  • the first title data for example, title data related to the horizontal link A
  • the HDD control unit 18 reads program corner data corresponding to the approach of the horizontal rope A based on the position data output from the CPU 23 and outputs the data to the TV. When the reproduction of the program corner data is completed, the HDD control unit 18 notifies the CPU 23 to that effect.
  • the CPU 23 When the CPU 23 receives the notification from the HDD control unit 18, the CPU 23 reads the corresponding position data by referring to the DB based on the second title data (for example, the title data related to Ozeki B) stored in the memory. Output to the HDD control unit 18.
  • the subsequent operation is similar to that described above.
  • the CPU 23 asks for the above notification.
  • the corresponding position data is read out by referring to the DB based on the second title data (for example, title data related to Ozeki B) stored in the memory as well as the operation in the case of reading the corresponding position data. Output to The subsequent operation is similar to that described above.
  • the digital recording and reproducing apparatus 10 has a function of storing program data in addition to recording of program data. This means that although program data recorded by the digital recording and reproducing apparatus 10 is recorded and recorded for eight days, it is automatically deleted thereafter. Therefore, the program data to be stored is stored in the storage HDD 17b.
  • the storage area in the storage HDD 17b may be a virtual area as well as a physical single HDD. That is, the area may be a part of one HDD, or two HDDs may be treated as one area and may be a part thereof. Saving of program data is performed by the input unit 28 and the “program data save button” of the remote controller.
  • the program data stored in the storage HDD 17b does not disappear unless a format deletion instruction is issued.
  • the storage function can be executed not only on hardware processing but also on a TV screen which is an output device.
  • This is provided with a program data storage menu for storing program data in the top menu displayed on the TV.
  • the program data storage menu receives a program data storage signal transmitted when the program data storage menu is selected by the remote controller and the input unit 28 by the signal receiving unit 25 of the digital recording and reproducing apparatus 10.
  • the HDD control unit 18 as a control device causes the storage HDD 17 b to record program data corresponding to the received program data storage signal.
  • the CPU 23 refers to the real time clock 26b etc., and backs up the position data recorded in the constantly recorded HDD 17a to DB every 10 seconds, for example.
  • the recording / reproducing apparatus 10 performs recovery processing, it is possible to prevent the loss of the recording position data of the program data recorded so far.
  • a backup DB is created in the continuous recording HDD 17a or the storage HDD 17b and program data is continuously recorded in the continuous recording HDD 17a
  • the HDD control unit Execute the backup command for 18
  • the HDD control unit 18 When receiving the command, the HDD control unit 18 duplicates the position data constantly recorded in the recording HDD 17a at that timing, and records the data constantly in the backup HDD prepared in the recording HDD 17a or the storage HDD 17.
  • the recording position data of program data is read out from the backup DB prepared in the continuous recording HDD 17a or the storage HDD 17 and Resume recording of program data.
  • the digital recording and reproducing apparatus 10 has a function of replacing program data that has been rebroadcast. This is realized by a process of searching for old program data before being rebroadcast based on rebroadcast information added to a time index and replacing it with rebroadcast program data. Therefore, the program rebroadcast within eight days is stored for a further eight days, since the new broadcast becomes the recording date. Therefore, the retention period can be extended.
  • the compression method of video data used in the MPEG encoder 14 and the MPEG decoder 20 may be either MPEG-2 or MPEG-4.
  • AVI, DivX, XVD, H. H.264, XVi, etc. may be used.
  • the digital recording and reproducing apparatus 10 has a viewing management function capable of restricting reproduction of a program corresponding to the set viewing restriction by the administrator setting the viewing restriction for the specific user.
  • the viewable time limit function allows the parents to set "viewable total time” as the viewable time of the program for the child in advance, and when the "total viewable time” is reached, the program It is a function that makes reproduction impossible.
  • the total viewable time can be set separately for each day, every week, and every month. For example, the total viewable time can be set to 1 day / 2 hours, 1 week / 14 hours, 1 month / 50 hours, or the like.
  • the viewable time limit function allows parents to give their children a viewable time frame, which contributes to preventing excessive viewing of TV. And since it becomes automatically impossible to view when the "total viewable time” is exceeded, for example, it is not necessary to check the viewing time of the child even when the parent is out, so the management aspect is improved.
  • the point setting function is a function for managing a program by points, and requires a "viewable point” to view a program.
  • the parents set the "viewable points" in advance for the children. That is, although the playable time limit function is limited by time, the point setting function is to limit viewing by points. For example, if you set 20 "viewable points" for a child, and 1 point is required to view a program per program, the child can view up to 20 programs, but the view restriction is more than that It becomes impossible to watch it.
  • one point may be set for programs that parents want to show positively to their children, but 2 points may be required for programs that they do not want to show very much.
  • setting to increase or decrease points for example, it is possible to set points for each genre, and one point for each program genre that parents actively recommend such as educational programs, educational programs, documentaries etc. It is a setting to be added to the “viewable points”, and a setting that requires two viewable points for a genre, for example, an animation, a variety, etc., for which it is desired to suppress oversight of the child.
  • the rating data setting restriction function is a function in which rating data representing the high and low of rating is assigned to a program in advance, and the viewing restriction is performed according to the rating data.
  • the rating of the program is classified into three: pine, bamboo, plum (A, B, C).
  • one viewable “viewable point” is required to view “rated pine (A)”
  • two “viewable point” is required to view “rated bamboo (B)”
  • three “viewable points” are required.
  • the term "rated plum (C)” corresponds to a program called a so-called low-profile program. In other words, parents can limit programs that are considered to have an adverse effect on education.
  • rating data to be assigned to a program is determined in advance by a program distribution server that manages the rating data.
  • the program distribution server may receive temporary data of a rating that serves as a criterion for determining whether a child has a positive or negative effect by a program creator, a sponsor, or the like, and may set a "rating" based on the temporary data. it can. If rating data is set, children will not be able to view only programs that require high points such as "rated plum (C)".
  • parents can use the rating data as a criterion to decide whether or not to show them to children, which makes it easier to restrict viewing.
  • the quiz function is to allow a child to view program data only when a child who is a specific user responds to the quiz given a question and a predetermined correct answer is obtained.
  • the quiz for this question is a level problem that can be solved if you do homework of the school, and a plurality of quizzes for education and their answers according to the age (gradary) and ability of the child, the server for time index 50 The administrator etc. of the is created and stored in the time index server 50.
  • the CPU 23 accesses the time index server 50 for the network controller 26 to perform education. It instructs to execute downloading such as quizzes.
  • the digital recording and reproducing apparatus 10 acquires an educational quiz or the like, it stores this in the DB.
  • an image indicating the availability of viewing of program data is also downloaded and stored in the image memory.
  • the user (parent) of the digital recording and reproducing apparatus 10 presses the "individual button" in which the information of the remote controller is set, and then transmits a display instruction of the educational quiz.
  • the CPU 23 when the CPU 23 receives the command, it reads out the educational quiz from the DB and outputs it to the TV.
  • the user (parent) of the digital recording and reproducing apparatus 10 refers to the quiz for education displayed on the display to appropriately select the quiz for the questioning subject, and how many questions the child may correctly view the program data Set by operating the remote controller. These selection results and setting items are transmitted to the digital recording and reproducing apparatus 10, and are stored in association with user (child) data in the personal information management memory.
  • the method of acquiring the quiz of the digital recording and reproducing apparatus 10 is not limited to the above example. That is, for example, a "view restriction with quiz" flag that can be switched ON / OFF by the user is prepared in the digital recording and reproducing apparatus 10, and the user (parent) "view restriction with quiz” flag is switched on.
  • the CPU 23 may read age information of the child and issue a download command to the time index server 50.
  • the server for time index server 50 gives a quiz to the digital recording and reproducing apparatus 10 based on the age information transmitted from the digital recording and reproducing apparatus 10. It becomes possible to transmit.
  • the CPU 23 determines whether the answer is correct or not based on the transmitted answer by referring to the DB. In addition, the determination result and the setting information for permitting viewing of the program data are collated to determine the availability of viewing of the program data.
  • the CPU 23 reads an image from the image memory and outputs the image to the TV according to the determination result of the availability of viewing of program data. As a result, it is possible to give the child an incentive that they can view the program data if they answer the quiz correctly by studying and doing homework, so the parents will not be forced to study but their will Can be expected to study naturally.
  • a quiz content producer who produces and provides question quizzes may be distributed systematically as an educational program in which each subject is systematically constructed. In this case, an effect can be expected in sales promotion of teaching materials such as correspondence education provided separately by the quiz content producer.
  • the recommended program function is a function that makes it possible to view another program on condition that the child views the "recommended program" sent from the parents.
  • parents may want to show their children a program called "The Great Universe Tour”.
  • the child activates the digital recording / reproducing device 10 by the "individual button” or displays the top menu (screen)
  • a screen is displayed prompting you to view the "Daily Space Tour”.
  • other programs can be selected and viewed. In this way, it is possible for the parents to show the program they want to show to the child semi-forcefully, so that the digital recording and reproducing apparatus 10 can be used as an educational aid.
  • the following operation may be performed. That is, it is assumed that the user (parent) of the digital recording and reproducing apparatus 10 reproduces the program data of "Daily Space Tour" after pressing the "individual button” in which the information of the remote controller is set.
  • the user (parent) of the digital recording and reproducing apparatus 10 designates the program data as a forced viewing target by operating the remote controller.
  • the CPU 23 refers to the DB, reads the time index of the designated program data, and associates it with the data of the user (child) in the personal information management memory.
  • the forced viewing target may be specified by transmitting the time index of the program data, the broadcast station name, etc., and the terminal ID of the child + user identifier to the time index server 50.
  • the CPU 23 When the user (child) of the digital recording and reproducing apparatus 10 presses the "individual button" in which the information of the remote controller is set, the CPU 23 generates personal information related to the user (child) from the personal information management memory. Is issued, and a user menu display instruction is issued, and then, the time index stored in association is output to the HDD control unit 18, and an instruction to reproduce program data to which the time index is attached is issued. When the reproduction of the program data of the "large space tour" is completed, the HDD control unit 18 notifies the CPU 23 of it.
  • the CPU 23 Even when the CPU 23 receives a signal from the remote controller when receiving a notification from the HDD control unit 18 when the CPU 23 issues a reproduction command, the CPU 23 discards the signal and sets the signal not to follow the signal. . As a result, in order to reproduce program data that the user (child) wants to view, the user (child) has to compulsorily watch program data of "large space tour".
  • the digital recording and reproducing apparatus 10 counts viewing records such as program names and times watched by children as daily, weekly, and monthly outputable logs, and associates them with the parent user menu.
  • the parent presses the "individual button" in which his / her information is set it is preferable that the tabulated result can be viewed.
  • the server has at least the following functions.
  • Time alignment means for periodically transmitting time data in order to set the time of the clock according to the digital recording and reproducing device 10, time index transmitting means for transmitting a time index to the digital recording and reproducing device 10, and specifying program data
  • Program data transmitting means for transmitting to the digital recording and reproducing apparatus 10 program specific data for specifying the program and corner specifying data for specifying program corner data, and a time index and viewing information created by the user from the digital recording and reproducing apparatus 10
  • Viewing information includes playback channel, playback date, playback status (normal playback, fast view playback, fast forward, rewind, etc.), playback user identifier, terminal identifier, program status (whether it is my menu or not, saved or not, time index) Or the like), program evaluation data ( ⁇ ⁇ ), program information to be introduced by the user, etc. is information recorded in seconds.
  • the program specification data is, for example, data for specifying program data in a broadcast wave consisting of digital signals, and includes video data and audio data. In addition to this, for example, it is data on the broadcast channel and the broadcast start time of the program, or the broadcast start time of the broadcast channel of the program.
  • the corner specifying data is data for specifying data of each corner of the program data and CM. Besides, data for specifying a predetermined corner in a program, for example, a broadcast channel and a broadcast start time of the program and a time until the corner starts, or a broadcast channel of the program and the corner Data about the broadcast start time of the
  • the processing information is a program generated by applying statistical processing to viewing information, time index, and data such as blogs and bulletin boards on the Internet, a topic index of casts, evaluation data, audience quality, audience rating, It is the number of viewers.
  • the following usage is also possible by using the personal identification function and the two-way communication function by the network.
  • the group you have associated with you (set your friends in advance Or, it can also be used to recommend a program that has a high rating to people who are closer to the viewing history etc.) by the system.
  • Example 1 Hereinafter, in the embodiment of the present invention, a method of reproducing program data (including CM data) recorded and recorded in the recording and reproducing apparatus 10 will be described.
  • the program data is a program data of a news program
  • the program data is a program data of a news program
  • the program data is a program data of a news program
  • the program data is a program data of a news program
  • the program data is a case where there is a sports corner frame, and at that time, it is broadcasted on the theme conveying the activity of famous athletes.
  • the date of birth, birthplace, career, etc. of the athlete at this time, and further, the year of establishment of the baseball stadium A You can display information such as the designer by ticker.
  • ticker display area is, for example, an area that is about 15% or less of the height of the display from the lower end of the display, or the entire screen of the video data is displayed so as not to interfere with viewing of video data of program data. Instead of this, it is possible to reduce the size of the display and to make it an area generated around the reduced display area.
  • Information to be displayed by ticker is embedded with metadata indicating performers etc. in program data, read out the metadata during reproduction of program data in the recording / reproducing apparatus 10, and the online encyclopedia via a network such as the Internet. It can be obtained from the encyclopedia, the viewer's comments, etc., and it is conceivable that the administrator of this system or the like prepares in advance text data to be displayed.
  • the flow speed of the character at the time of ticker display may be constant or may be variable.
  • the number of characters to be displayed can be within a predetermined threshold, and in the latter case, the speed may be determined according to the number of characters to be displayed.
  • the flow speed of the character at the time of ticker display constant, for example, it is good to maintain a constant speed even if the user fast-forwards / rewinds program data or skips.
  • the recording / reproducing apparatus 10 is also based on the time stamp, etc. for the length of the measure (minutes and seconds) of the program corner to be displayed by ticker, the number of performers on the measure and the appearance time of each performer etc. It is also possible to dynamically determine the character to be displayed based on such information.
  • the speed or the number of characters can be determined in accordance with the genre of program data and the genre of program corner, and the characters to be displayed can be small-sized.
  • a program corner where a performer is relatively likely to be displayed on a display for a relatively long time a program corner where a singer sings in a song program, a sports broadcast.
  • the speed can be delayed and the number of characters can be displayed more.
  • the speed can be fast and characters can be displayed in a small amount.
  • the number of ticker display times, display intervals, display timings, and display contents of one performer in one program data may be set to a predetermined threshold or less. This threshold can also be determined based on, for example, the genre of program data, the broadcast time of program data, and the like.
  • the display interval is 30 minutes or more, and the display content is changed every time (for example, the first time) We will be able to display the results of the past several years, and display the details of the day's pitch etc.).
  • the singer is singing in a song program
  • the title and singer's name etc. are often displayed at the beginning of the song, so the singer's birth date, birthplace, career, etc. are displayed immediately after that 10 seconds before the end of the song, the download start date of the song, the number of downloads, etc. can be displayed.
  • ticker is displayed only when the regular performer first appears, and a ticker is displayed with an appropriate number of characters for the guest performer at the program corner in charge of the guest performer. And so on.
  • the type of ticker display may be realized by either a push type or a pull type.
  • the explanation so far is mainly in consideration of the push type, but for example, the INFO button is provided on the remote control 200, and when this is pressed, the performer displayed on the display at that time It is also possible to display a profile, a program title of program data appearing elsewhere, and the like.
  • the user can select whether to perform ticker display in only the push type, only the pull type, or both of these modes.
  • each genre of program data may be set.
  • the pull type is considered to be more suitable.
  • a flag is attached to unreproduced program data so that push type and pull type can be selected only at the first reproduction, and only pull type can be selected when there is no second and subsequent flags.
  • the recording and reproducing apparatus includes a recording medium on which the received program data is recorded, a storage medium on which metadata indicating an appearance target of video data of the program data is stored, and the recording medium Outputting means for reproducing the program data, and outputting the information on the appearance object corresponding to the metadata corresponding to the program data when the program data is reproduced by the reproduction means in a mode of displaying on the television receiver the ticker Means.
  • the recording medium can be realized by the HDD 17a
  • the storage medium can be realized by the DB
  • the reproducing means can be realized by the HDD control unit 18, and the output means can be realized by the CPU 23 and a program for performing a desired operation.
  • the metadata includes period data indicating an appearance period of an appearance target in the program data, and the output means is configured to display the appearance target video data on the television receiver based on the period data. It is possible to output information on appearance targets.
  • the output unit may include setting means for setting a display position of the information on the appearance target.
  • the display position may be a peripheral portion including the lower portion of the television receiver, or may be a portion generated by displaying the program data in a reduced size without displaying the entire data.
  • the setting unit can be realized by, for example, the image processing unit 27.
  • the information on the appearance target may include control means for controlling the speed or the number of characters to be displayed by ticker according to the genre of the program data and the genre of the program corner constituting the program data.
  • the control unit can be realized by, for example, the image processing unit 27.
  • the control means can also determine the display type of ticker display, the number of displays, the display interval, the display timing, and the display content based on the genre of the program data, the broadcast time of the program data, and the like.
  • the present system may include the above-described recording and reproducing device and a remote controller for remotely controlling the operation of the recording and reproducing device, and the remote controller may be provided with a button for instructing start of the ticker display. .
  • Example 2 First, an outline of a second embodiment of the present invention will be described.
  • the recording / reproducing apparatus of this embodiment typically, when reproducing program data having program corner data and CM data, and when nothing is operated on the menu screen, between CM data, The operation of interrupting other CM data and replacing specific CM data with other CM data is realized. In the present embodiment, the contents of the latter will be mainly described.
  • FIG. 13 is a diagram showing an example of information stored in a DB existing in the HDD 17 shown in FIG. 1, corresponding to the diagram of “CM information table” of FIG. 3B.
  • the user intentionally reproduces the CM data for each CM data in addition to the ID information assigned to the CM data and information such as the broadcast date of the CM data. It shows information indicating the reproduction frequency based on the number of times performed, and information indicating a flag indicating whether or not the advertisement is an advertisement request target CM data explicitly indicated by the advertiser.
  • CM data having a flag of "1” is always to be reproduced, and CM data having a flag of "0" is to be reproduced based on "reproduction frequency”. It is conceivable to make an arrangement.
  • the “flag” can be transmitted from the program distribution server to the recording and reproduction device 10 via the Internet. Therefore, for example, a CM client, an advertisement agency, etc. can arbitrarily increase the number of reproductions of a specific CM.
  • “reproduction frequency” indicates information ranked in three ranks of A, B, and C. For example, CM data of A rank is always to be reproduced, CM data of B rank is not always to be reproduced, and CM data of C rank is to be reproduced with a probability of 50%, for example. It is conceivable.
  • the number of times of reproduction can be increased or decreased in the order of A rank, C rank, and B rank.
  • the number of times of reproduction is increased in the order of A rank, C rank, and B rank
  • the number of times of reproduction is reduced in the order of A rank, C rank, and B rank, there is an advantage that the user satisfaction of the recording and reproduction apparatus 10 can be enhanced by reproducing a large amount of CM data in accordance with the user's preference. is there.
  • CM data with the flag “1” is unconditionally regarded as a reproduction target, but for example, CM data with the flag “0” and the reproduction frequency “C rank” is 2
  • C rank the reproduction frequency
  • one of the times is reproduced, for example, it is replaced with other CM data whose flag is "1".
  • Replacement of CM data based on probability may be performed based on, for example, a random number table.
  • the number of times of reproduction of the CM data by the user is not essential as a determination factor of whether to replace the CM data, and the determination factor is not limited to this. Whether to replace the CM data may be set, for example, based on the consideration from the advertiser. In this case, the flag of the CM data to be arbitrarily reproduced from the program distribution server may be set to “1”.
  • the information stored in the database can be determined based on the attribute of CM data, the attribute of the user, and the attribute of the other content.
  • attribute of CM data means, for example, whether the CM data announces bargain sale information of the handled product, or whether the handled product is a specific genre such as a car or the product of a specific advertiser. Or something like whether a particular performer is recruited. Therefore, for example, it is possible to intensively reproduce only the CM data relating to the bargain sale information, or to intensively reproduce only the CM data of the automobile maker.
  • user information such as gender, age and address of the user of the recording and reproducing apparatus 10 is obtained in advance, and it is a specific layer that can be grasped from it or the user's viewing history of program data Say something like, or do you agree with. Therefore, for example, it is possible to intensively reproduce CM data of a car manufacturer targeting women in their twenties living in Kanto, or only CM data that announces bargain sale information of handled products in line with user preferences. It is also possible to play the music intensively.
  • the "attribute of other content” refers to such as reproducing only a predetermined number of times or for a predetermined period. Therefore, for example, in the case of CM data notifying the sale period of the handled product, it is prevented from being reproduced beyond that period, or CM data on which a specific actress appears is intensively reproduced only on a specific day It is also possible to let
  • FIG. 14 is a conceptual diagram of a reproduction target CM data switching process based on the information shown in FIG. FIG. 14 shows program data A to C.
  • Each program data A includes a plurality of program corner data A-1 and the like and CM data A-1 and the like.
  • the CM data A-1 relates to information to which "A-1" is assigned as "ID” in FIG.
  • program data B and C also include a plurality of program corner data B-1 and C-1 and the like, and CM data B-1 and C-1 and the like.
  • the CM data A-1 is replaced with the CM data C-1 in the program data C whose "flag" is "1".
  • the CM data A-2 is not to be reproduced, for example, with a probability of 50%.
  • the example shown in FIG. 14 shows that CM data B-4 in program data B is to be reproduced instead of CM data A-2.
  • the example shown in FIG. 14 shows that CM data C-6 in program data C is to be reproduced instead of CM data A-4.
  • FIG. 15 is a flowchart showing a procedure executed by the CPU to execute the CM data switching process shown in FIG.
  • the CPU 23 determines whether a reproduction instruction from the user has been received through the remote controller of the recording and reproduction device 10 (step S41).
  • step S41 is repeatedly executed.
  • the CPU 23 when receiving a reproduction instruction from the user, the CPU 23 specifies program data to be reproduced from the reproduction instruction (here, this program data is referred to as "program data A"), and the program data thereof.
  • program data A this program data is referred to as "program data A"
  • the DB in the HDD 17 is referred to through the HDD control unit 18 based on (step S42).
  • the CPU 23 can specify the recording position on the HDD 17 of the program data to be reproduced. .
  • the CPU 23 instructs the HDD control unit 18 to start the reading process of the program data A from the recording position (step S43). ).
  • the HDD control unit 18 reads the program data A from the HDD 17 and outputs it to the demultiplexer 19.
  • the CPU 23 may request the HDD control unit 18 to output the program data A read from the HDD 17 to the CPU 23, and the CPU 23 may output the program data A to the demultiplexer 19.
  • the program data A is processed by the demultiplexer 19, the video data and the audio data are outputted to the TV and the speaker, respectively.
  • the CPU 23 calls a subroutine by starting the reading process described above, and executes the following process. Since this point is important, we will outline the operation once more.
  • the CPU 23 refers to the DB in the HDD 17 through the HDD control unit 18 to include all the video recorded in the program data A in addition to the recording position at which the program corner data A-1 starts or ends. It is possible to specify the recording position of the CM data to be recorded. In addition, the CPU 23 can also acquire each item of “flag” and “reproduction frequency” for each piece of CM data in the program data A by referring to the DB shown in FIG.
  • the CPU 23 reads and reproduces the program data A from the HDD 17 by the HDD control unit 18 based on the information in the DB
  • the CM data A-1 is to be reproduced prior to the reproduction of the CM data A-1. Determine if there is. Specifically, for example, at the timing when the program corner data A-1 ends, it is determined whether the data of the CM data A-1 is to be reproduced.
  • CM data A-1 is not a reproduction target, it is replaced by the reading without reading CM data A-1, and from the recording position of CM data C-1 in which "flag" is "1" in DB. , And instructs to read out the CM data C-1.
  • the CPU 23 first determines, for example, whether it is the reproduction end timing of the reproduction object such as program corner data or CM data in the program data, that is, here, the program being reproduced It is determined whether it is the timing at which the read position by the HDD control unit 18 reaches the recording position at which the corner data A-1 ends. (Step S51).
  • step S51 is repeatedly executed.
  • the CPU 23 determines whether the next reproduction target is CM data (step S52).
  • step S53 since the reproduction target schedule following the program corner data A-1 being reproduced is the CM data A-1, the process proceeds to step S53.
  • the process of step S51 is not essential. Therefore, the process of step S42 may be executed even when the reproduction end timing of the program corner data A-1 being reproduced is not reached.
  • step S51 even if the process of step S42 is executed too early, CM data A-1 following program corner data A-1 being reproduced and CM data A-2 thereafter are reproduced. It is also conceivable to stop reproduction of program data or to switch to reproduction of other program data, and to prevent the processing from being wasted.
  • Step S53 the CPU 23 refers to the “flag” of the CM data A-1, which is to be reproduced next, following the program corner data A-1 being reproduced, and determines whether it is “1”.
  • the CPU 23 since the "flag" of the CM data A-1 is "0", the CPU 23 refers to the "reproduction frequency" to determine whether the CM data is to be reproduced.
  • the CM data A-1 should always be replaced because its "reproduction frequency” is "A” and not "A”, it is determined that the CM data A-1 is not to be reproduced (step S54).
  • the CM data A-1 is replaced, but after the replaced CM data is reproduced, the reproduction resume position of the program data A so that reproduction from the reproduction corresponding part in the program data A becomes possible again. That is, in this case, the recording position of the start of the CM data A-2 subsequent to the CM data A-1 is stored in this example (step 55).
  • CM data for example, CM data C-1 here
  • step S54 If the "reproduction frequency" of the CM data to be determined is "A" in step S54, the CM data is to be reproduced, so the CM data reproduction instruction is given, and then the process proceeds to step S51. It will shift (step S58).
  • step S53 when step S53 is executed at the timing when the reproduction of the program corner data A-2 ends, the CM data A-3 to be reproduced next is the "flag". Since “1” is “1”, it is determined that the reproduction is to be performed, and the reproduction instruction is given, and then the process proceeds to step S51 (step S57).
  • next reproduction target schedule is not CM data as a result of the determination in step S52
  • the CPU 23 performs reproduction because the next reproduction target is program corner data, and proceeds to step S51 (step S59). ).
  • steps S51 and S52 are executed at the timing when the reproduction of the CM data B-4 replacing the CM data A-2 ends. It will be the case.
  • the reproduction of the program corner data performed in step S59 is a step. It will be done based on the position information stored in S55.
  • step S43 when the subroutine of the reading process (step S43) of the program data A is called, the program corner data A-1 is reproduced, so the step S51 is repeatedly executed several times. . Thereafter, when the program corner data A-1 comes to an end, the process proceeds to step S52.
  • step S53 since the CM data A-1 follows the program corner data A-1, the process proceeds to step S53, and as described above, the process proceeds to step S51 through steps S54 to S56. It will be migrated.
  • step S51 is repeatedly executed until the reproduction end timing of the CM data C-1 replaced with the CM data A-1. Thereafter, when the reproduction end timing of the CM data C-1 comes, the process proceeds to step S52, and in the present embodiment, the CM data A-2 before the replacement is followed by the CM data A-2, so the process proceeds to step S53. become.
  • step S51 is repeatedly executed until the reproduction end timing of the CM data B-4 replaced with the CM data A-2. Thereafter, when it is time to finish the reproduction of the CM data B-4, the process proceeds to step S52.
  • the program corner data A-2 follows the CM data A-2 before replacement, the process proceeds to step S59, and the program corner data A-2 is reproduced.
  • step S52 shown in FIG. 15 it is determined based on the position information stored in the DB whether CM data is to be reproduced or not.
  • the CM data and the program corner data can also be identified based on the voice data etc., so it may be determined whether the data to be reproduced is CM data or not based on the identification result.
  • the CM data is usually fixed length such as 30 seconds version or 60 seconds version Since the silent area is detected during reproduction of the program data, it is determined whether the audio data at the position corresponding to 30 seconds after that is silent or not, and if it is silent, The section can be regarded as CM data. On the other hand, if the audio data at the position corresponding to 30 seconds etc. is not silent, it means that the section is a program corner data because it is a silent area also present in the program corner data. .
  • step S53 By performing such a determination, it is possible to specify whether the silent area is of the start position of the CM data or just the position of the silent area in the program corner data. If it is determined that the position is determined, the process of step S53 may be performed.
  • the CM data has been described as having a fixed length such as a 30 second version and a 60 second version, according to the method shown in FIG. 15, it is possible to execute 30 seconds by executing the process of step S55.
  • the process of step S55 is not executed, even if the 30-second version of the CM data is replaced with the 60-second version of CM data, the beginning 30 seconds of the program corner data that follows it is eroded by the replaced CM data. In order to prevent this, the CM data to be replaced is limited.
  • the recording / reproducing apparatus 10 can be connected to a network such as the Internet, and can be replaced with CM data, moving pictures, still pictures, sounds or text information downloaded into the recording / reproducing apparatus 10 through the Internet etc. It may be a moving image or a still image captured in the recording and reproducing apparatus 10 from the camera itself or a memory card attached thereto through a connection medium such as a USB cable.
  • the CM data downloaded into the recording and reproducing apparatus 10 may be temporarily stored in the HDD 17 or may be replaced in real time without storing it.
  • the fact that the CM data can be replaced even if the lengths thereof are different means that it is possible not to replace the CM data but to, for example, interrupt and reproduce desired content between the CM data. That is, for example, during reproduction of the CM data A-1 and CM data A-2, it is also possible to reproduce a moving image captured from a digital camera.
  • CM data recorded in the DVD or Blu-ray, etc. by the DVD drive 29, CM data recorded in the HDD 17a, and CM data recorded in the HDD 17b may be replaced with each other. That is, CM data recorded in the HDD 17b may be reproduced instead of CM data in program data read out from the HDD 17a.
  • the user may be able to reach a skipped CM. This has the advantage that the advertising costs of the advertiser are not wasted.
  • version information for example, CM broadcast date information
  • CM broadcast date information for example, CM broadcast date information
  • CMs eco-car tax reduction
  • these include information that "the eco-car tax reduction will not be applied in ⁇ days" every CM airing day. It was Therefore, when playing back program data broadcasted several days ago, the latest version of CM data broadcasted on the day of playback is used instead of the playback of this type of CM data contained in the program data. It is worthwhile to regenerate.
  • step S57 in FIG. 15 the version information confirmation step is executed, and if the version information is the latest, the process proceeds to step S57, otherwise the CM data of the latest version is replaced with step S57. It is sufficient to instruct the reproduction of the
  • the present embodiment mainly describes the procedure for recording program data in the recording and reproducing apparatus and reproducing the program data replaced with CM data recorded in the recording and reproducing apparatus as appropriate, the recording and reproduction is described.
  • program data reproduced by a remote resident operating a recording / reproducing device via the Internet with respect to the recording / reproducing device via the Internet It can also be received and watched through.
  • a recording / reproducing apparatus is left at a home in a rural area, and one of the family members living alone live in a distant place.
  • the CM data contained in the program data to be reproduced is, for example, a CM of a product that can only be purchased in a region of the home, it can not be broadcasted only by the local broadcast station. Even if the CM data is reproduced and the distant resident views it, the CM effect is limited.
  • tag information indicating the broadcast area is embedded in each CM data, and, for example, the IP address of the distant resident is acquired, and the area of the access source is specified based on the IP address.
  • the CM data can be replaced. It is not essential to use the IP address to specify the access source area. For example, by registering the residence area of the user at the time of initial setting of the recording / reproducing apparatus of this embodiment, etc. You may specify the area.
  • Example 3 First, an outline of a third embodiment of the present invention will be described.
  • the recording / reproducing apparatus of this embodiment typically, when reproducing program data having program corner data and CM data, and when nothing is operated on the menu screen, between CM data, The operation of interrupting other CM data and replacing specific CM data with other CM data is realized.
  • the contents of the former will be mainly described.
  • FIG. 16 is a schematic view of an example of a display screen realized by the typical operation of this embodiment.
  • program data is output from the recording and reproduction apparatus 10 to the television 100, and a video signal is displayed on the display of the television 100 (FIG. 16A). .
  • the recording / reproducing apparatus 10 receives the signal transmitted from the remote control 200, it determines the content of the signal.
  • the recording / reproducing apparatus 10 pauses the output of program data to the television 100 as is known. (FIG. 16B).
  • the display of the television 100 stops the reproduction of program data as if a still image is being displayed.
  • the display area 110 is newly secured in a part (here, the upper left of the display) or all in the display, and the video data of the CM data is output there.
  • the recording / reproducing apparatus 10 reads CM data to be displayed in the display area 110 from the HDD 17 to the television 100, and outputs the video data to the television 100. Is a very unique point (FIG. 16C).
  • the display area 110 is uniformly displayed in the same manner when transitioning from the "reproduction screen” to the “content display screen” to be described later and when transitioning from the "menu screen” to the “content display screen”.
  • the former may be treated as part of the display, and the latter may be treated as whole in the display.
  • the display area 110 is relative
  • the display area 110 can be made relatively small when the display is shifted to the “content display screen” by enlarging the screen and changing to the “content display screen” by the instruction of the fast forward or the instruction of the skip.
  • the remote controller 200 may be provided with a "SELECT button" as its trigger.
  • At least video data of CM data may be reproduced, or only audio data may be reproduced.
  • CM data CM data
  • it may be considered to interfere with the call.
  • audio data it is possible to set the situation where the audio data of CM data is not output only by instructing the user to stop after the user instructs suspension. Not only data but also audio data may be output.
  • CM data is obtained by leaving from the front of the television. Since it may be possible to hear audio data although it does not look at the video data of, it is also useful to reproduce only audio data of CM data.
  • the CM data to be reproduced here is a typical example of content, just to mention that it can also output video content and / or audio content on a network such as the Internet, for example. I want to be
  • the recording / reproducing apparatus 10 receives the signal transmitted from the remote control 200, it determines the content of the signal.
  • the recording / reproducing apparatus 10 resumes the output of the program data to the television 100 as is known.
  • the recording / reproducing apparatus 10 ends the display of the display area 110 and also ends the output of CM data and the like to the television 100 (FIG. 16D).
  • the trigger for displaying the CM data in the display area 110 has been described by way of an example where the instruction "temporary stop” is given, but in addition to this, the power of the television 100 is turned on through the recording / reproducing apparatus 10.
  • CM data such as an instruction to fast-forward program data or CM data, an instruction to rewind program data or CM data, or an instruction to skip program data or CM data for a predetermined period. Except when instructed by anything, it can be included as a trigger to display CM data in the display area 110.
  • the "SELECT button” should be used effectively. For example, the user instructs to pause, fast forward, skip, etc. When CM data is played back, (1) only video data is played back, (2) only audio data is played back, and (3) both video data and audio data are played back. For example, if the "play / decision button” is pressed, playback is performed with “image data only”, and when this is long pressed, playback is performed with “audio data only” so that the user can select It is preferable to use a selection to play with "video data + audio data” when the button "is pressed.
  • FIG. 17 is a diagram showing an example of information stored in a DB for selecting CM data to be displayed in the display area 110 of FIG. 16C.
  • FIG. 17 corresponds to the “CM information table” of FIG. 4B.
  • This DB may be stored, for example, in the HDD 17 shown in FIG. Alternatively, the DB may be stored in a server on a network such as the Internet so that the DB can be accessed from the recording / reproducing apparatus 10.
  • information indicating the reproduction frequency based on the number of times the user intentionally reproduced the CM for each CM, and the CM targeted for the advertisement request of the explicit from the advertiser It shows information indicating a flag indicating whether or not it exists.
  • information “ranked with three ranks A, B, C” is shown as “reproduction frequency” here.
  • reproduction frequency As an example, it can be considered that an A-rank CM is to be reproduced, and B- and C-rank CMs are not to be reproduced.
  • the “flag” for example, information “0” / “1” is shown. As an example, it can be considered that CMs whose flag is “1” are to be reproduced and CMs whose flag is “0” are not to be reproduced. As an example of the determination of the flag "0/1”, if it is a CM of the advertisement request target of the explicit from the advertiser, it should be "1", and if the number of times of CM reproduction is set in advance, Until reaching it, it is considered to be "1", and when reproducing only on a specific day, it is considered to be "1" only on that day.
  • the advertiser has the advantage of not wasting advertising costs.
  • the playback target can be determined based on the playback history of the CM data, and the playback target can be determined based on the request of the advertiser.
  • the former in the case of reproducing CM data having a high reproduction frequency, there is a high possibility that it is the user's favorite CM data, which is advantageous for the user, and in the case of reproducing CM data having a low reproduction frequency.
  • the advertiser there is an advantage for the advertiser that the concentrated exposure of CM data of the product etc. that the advertiser wants to focus on can be realized.
  • the display target of the display area 110 is not limited to the CM data stored in the HDD 17.
  • CM data will be mainly described as an example, but for example, the recording and reproduction device 10 is connected to a network such as the Internet, and moving image, still image or audio data downloaded to the recording and reproduction device 10 through the Internet etc. After being stored in the HDD 17 or may be output as content in real time without storing.
  • the recording / reproducing apparatus is connected to a digital camera or a memory card attached to it through a connection medium such as a USB cable, thereby capturing moving pictures, still pictures, audio data, etc. photographed by the digital camera etc. It may be output as Then, when this type of content is once stored in the HDD 17, in order to be able to select an output target, it may be stored in the DB with a “flag” also attached to these.
  • FIG. 18 is a state transition diagram according to the display screen example described with reference to FIG.
  • the recording / reproducing apparatus 10 receives a signal to turn on the power button of the television 100 from the remote control 200.
  • the display screen transitions to the “menu screen” display state.
  • it changes to the "content display screen” display state described later.
  • the time until timeout is set as 0 seconds etc. as the pop-up process (other than that, it is set to 1 to 3 minutes), and the "menu screen” is displayed. It may transition to the “content display screen” display state via the link.
  • the recording / reproducing apparatus 10 turns on the power to the television 100 when the power on of the television 100 is instructed through the remote control 200. After the instruction has also been made, an instruction to transition to the "menu screen” display state or the "content display screen” display state is issued.
  • the CPU 23 refers to the DB in the HDD 17 through the HDD control unit 18, identifies the recording position information on the HDD 17 of the program data to be reproduced stored therein, and determines the program data from the recording position. It instructs the HDD control unit 18 to start the reading process.
  • the HDD control unit 18 reads program data from the HDD 17 and outputs the program data to the demultiplexer 19.
  • the CPU 23 may request the HDD control unit 18 to output the program data read from the HDD 17 to the CPU 23, and then output the program data A to the demultiplexer 19.
  • the program data is processed by the demultiplexer 19, the video data and the audio data are outputted to the television 100 and the speaker, respectively.
  • the recording and reproduction device 10 transitions to the "menu screen" display state.
  • the recording and playback device 10 displays a "content display screen". Transition to the state.
  • the CPU 23 refers to a DB stored in the HDD 17 or the like.
  • the CM data to be reproduced is stored in the DB with a flag attached, so that the CPU 23 specifies the CM data to be reproduced, and The recording position of the CM data on the HDD 17 can be specified.
  • the CPU 23 instructs the HDD control unit 18 to start the reading process of the CM data from the recording position.
  • CM data with a flag or the like is read from the HDD 17 by the HDD control unit 18 and output to the demultiplexer 19.
  • the CPU 23 instructs the demultiplexer 19 to combine the output CM data with video data in a paused state or the like.
  • the method of video composition processing itself is not particularly limited, and may be known processing.
  • the CPU 23 grasps the time (for example, 15 seconds) corresponding to the end time from the start time of the CM data from the time stamp of the CM data, and when the reproduction of the CM data is completed, In order to select the next content to be displayed, the DB stored in the HDD 17 or the like is referred to, and the above series of operations are repeated.
  • CM data will be sequentially reproduced until the button is pressed.
  • the CM data has several times, such as 15 seconds, 30 seconds, and 60 seconds, from its start time to its end time, but according to this method, CM data to be reproduced have mutually different CM times.
  • the CM data may be compressed for 60 seconds and the CM time may be changed, for example, 30 seconds for streaming.
  • the display area of the CM data may not be a static one fixed in the display of the television 100, but may be a dynamic one moving in the display of the television 100. Also, even if it is a static one fixed in the display of the television 100, the fixed position may be in the upper right, lower right, or center of the screen in the display of the television 100, or fixed. The typical display position may be changed randomly or may be displayed on the entire screen.
  • CM data broadcasted between program data may be reproduced.
  • skip the CM data being reproduced (after 30 seconds from the time of pressing, or until the next CM data following the CM data, or up to the program corner data immediately after the CM data
  • a skip button for moving the playback position. This kind of button can be provided also in the remote controller 200 of this embodiment.
  • CM data can be viewed while fast-forwarding in about 3 seconds, for example ⁇ Fast forward the CM data in about 3 seconds, for example, but change the speed to make it easier to read the message or logo, ⁇
  • the administrator of this system prepares a digest version of each CM data in about 3 seconds, for example, or acquires voice data such as “Now, 298 yen!” As a digest version from the advertiser side Keep them linked to the corresponding CM data, and when the button is pressed, reproduce the digest version corresponding to the CM data being reproduced, or -The compression rate necessary for reproducing the non-reproduction portion of the CM data, for example,
  • the digest version does not necessarily have to be composed of video data and audio data of CM data, and may be only audio data of a point to be advertised in CM data, or only video data. You can also.
  • the company name or the cast name of the CM data can be displayed on the screen to draw the user's attention.
  • a known skip button When a known skip button is pressed, for example, 30 seconds may be mechanically skipped, but in the recording / reproducing apparatus 10 of this embodiment, as described in the embodiment, a time stamp is used. Since the reproduction processing is performed, when this kind of button is pressed, the next CM data can be searched out even by fast-forward reproduction of the CM data.
  • the recording / reproducing apparatus 10 can also perform the following operation. That is, in FIG. 18, an operation example is described in which state transition is performed between each state of “menu screen”, “content display screen”, and “reproduction screen”, but “menu screen” has program data to be reproduced.
  • the screen to be selected when the power of the television receiver (display medium) is on (in other words, the recording / reproducing apparatus 10 has means for detecting the on / off state of the power), It includes a screen that displays a recommendation menu such as a top menu screen. For this reason, it is possible to perform content display even in the "menu screen" display state.
  • the recording / reproducing apparatus 10 can be roughly classified into the state of displaying the “reproduction screen” and the state of displaying the other. Therefore, there is also a mode in which the program data is reproduced in the "reproduction screen” display state and the content is displayed in the other state.
  • FIG. 19 is an explanatory diagram of a storage area of program data in the HDD 17 according to the fourth embodiment of the present invention.
  • the left side of FIG. 19 shows an outline of the storage area of the HDD 17.
  • the HDD 17 is roughly divided into an area 17-1 as a boot sector and an area 17-2 in which program data is stored.
  • FIG. 19 The right side of FIG. 19 is an enlarged view of a storage area of program data in a specific channel in the area 17-2.
  • the program data A and the program data B broadcast following this have already been recorded, and the program data C currently being broadcasted are under recording, and some unrecorded areas are present. It shows that there is.
  • the matrix of ⁇ shown on the right side of FIG. 19 schematically shows each block file, and means that a block file with a solid X is recorded.
  • the block file marked with a broken x means that recording is in progress, and the block file not marked with x means that it has not been recorded. That is, in the present embodiment, unlike the case of the embodiment described above, program data is recorded on the HDD 17 in a file format. That is, one long endless file is virtually configured by dividing a long endless file into small files into small files.
  • program data B has never been viewed by the user and that there is not much reaction to viewing on a network such as the Internet. In this case, it is not a good idea to continue recording of program data B in the DBB 17 in consideration of the limited recording capacity of the DBB 17. Therefore, the recording / reproducing apparatus 10 of the present embodiment is in such a situation. , Program data B is to be excluded.
  • parameters for specifying program data to be excluded behavior such as whether the user can view or not, not only the viewer's evaluation of the program data acquired via the network, but also the rating of the program data
  • behavior such as whether the user can view or not, not only the viewer's evaluation of the program data acquired via the network, but also the rating of the program data
  • the type and broadcast time of the program data, the elapsed time from the broadcast of the program data, and the like, and any combination thereof can be considered.
  • the block file relating to the program data B is excluded by recording the newly received program data D by overwriting.
  • a flag is added to a block file in which program data B has already been recorded. ing.
  • newly received program data D may be stored in the block file to which the flag is added.
  • the program data D may be stored by giving the above flag to the block file in which the oldest program data is stored.
  • the user can also specify program data that is not a target to which a flag is given. Thus, it is possible to prevent the user from being overwritten in a short time by a television program broadcasted thereafter by flagging favorite program data.
  • the designated program data is constantly recorded in the recording HDD 17a for a relatively long period of time, as viewed macroscopically, in contrast to the other program data.
  • the recording and reproducing apparatus of the present embodiment includes a recording medium on which received program data is recorded in a file format, a reproduction means for reproducing program data recorded on the recording medium, and program data by the reproduction means.
  • the information processing apparatus comprises: an assigning unit that assigns a flag to a file for which playback is to be restricted; and a storage unit that stores program data newly received for the file to which the flag is assigned by the assigning unit.
  • the recording medium can be realized by the HDD 17a
  • the reproduction means and the storage means can be realized by the HDD control unit 18, and the giving means can be realized by the CPU 23 and a desired program.
  • the storage means can store program data newly received for the file in which the oldest program data is stored.
  • Each program data transmitted from a program broadcasting station can be simultaneously stored in a plurality of different files.
  • a specifying means for specifying a file to which a flag is given by the giving means is provided, and the specifying means carries out the behavior of the user with respect to the main body of the recording system, the viewer's evaluation of the program data obtained via the network, The rating of program data, the type of program data and the broadcast time, It can also be specified based on either the elapsed time since the program data was broadcasted or the like.
  • designation means for designating program data that is not a target to which the flag is given it is also possible to provide designation means for designating program data that is not a target to which the flag is given.
  • smartphone displays are used as television displays. It is also one law to use in place of or together with
  • the ticker display may be performed on the display of the smartphone instead of or in addition to the display of the television.
  • CM data A on the display of the television is replaced with CM data B, and CM data B is displayed on the display of the smartphone, or another CM Data C may be displayed, or CM data A which may be replaced may be displayed.
  • connection to a wireless communication means such as Bluetooth (registered trademark) or ZigBee (registered trademark) corresponding to a wireless standard used in a wireless communication means mounted on a smartphone and a communication network such as the Internet Means are provided in the recording and reproducing apparatus. Then, it is determined using wireless communication means whether the user carrying the smartphone is near the television or the CPU 23 of the recording and reproducing apparatus etc. whether the recorded program data is being reproduced or not. Use to determine.
  • a wireless communication means such as Bluetooth (registered trademark) or ZigBee (registered trademark) corresponding to a wireless standard used in a wireless communication means mounted on a smartphone and a communication network such as the Internet Means.
  • the application program installed on the smartphone is, for example, Storing pairing information that is executed to perform wireless communication with the recording / reproducing device; Reading out pairing information and performing wireless connection with the recording / reproducing apparatus when performing wireless communication with the recording / reproducing apparatus; Receiving video data and the like transmitted from the recording and reproduction device through the wireless channel in a state of being wirelessly connected to the recording and reproduction device; Performing data processing such as decoding on the received video data etc. Outputting the decoded video data etc .; May be executed by the processing means provided in the smartphone.
  • the smartphone can implement means for performing an operation corresponding to each step by installing a program for executing each of these steps.
  • the recording and reproducing apparatus is, for example, A means for storing pairing information that is executed to perform wireless communication with the smartphone; A means for reading pairing information and performing wireless connection with the smartphone when performing wireless communication with the smartphone; A means for performing processing such as encoding on video data to be reproduced by the smartphone; A means for transmitting encoded video data or the like to a smartphone through a wireless circuit; You just have to Note that a program may be used which causes the processing means of the recording and reproducing apparatus to execute the operation of these means.
  • transmission and reception of video data and the like between the smartphone and the recording and reproducing device may be performed in a so-called pull type or may be performed in a push type.
  • the program data itself reproduced on the display of the television may be displayed on the display of the smartphone together, and the program data itself is Only the ticker display may be performed without displaying.
  • CM data to be displayed on the smartphone should be completely received by the smartphone several seconds before the CM data replaced on the display of the television is displayed in consideration of the communication status .
  • CM reproduction time information on a television by a real time clock should be added to CM data to be displayed on the smartphone. Then, in the smartphone, it is sufficient to reproduce the received CM data according to the time information.
  • the present invention can be used in industries such as manufacturing of digital recording and reproducing devices, sales of digital recording and reproducing devices, data service for digital recording and reproducing devices, service for providing program data, and data processing for program data. There is.
  • FIG. 2 is a block diagram showing the hardware configuration of the digital recording and reproducing apparatus. It is the schematic which demonstrated the identifier of time index. It is the schematic which demonstrated the time index which concerns on program corner data. It is the schematic which demonstrated the time index which concerns on CM information.
  • FIG. 2 is a conceptual diagram showing data transmission and reception between a digital recording and reproducing device and a time index server. It is the flowchart which showed the processing procedure of the bit rate conversion function. It is the flowchart which showed the processing procedure of the bit rate conversion function (compression rate change). It is the flowchart which showed the processing procedure of the personal identification function. It is the flowchart which showed the processing procedure of the following program function.
  • FIG. 1 is a block diagram showing the hardware configuration of the digital recording and reproducing apparatus. It is the schematic which demonstrated the identifier of time index. It is the schematic which demonstrated the time index which concerns on program corner data. It is the schematic which demonstrated the time index which concerns on CM information.
  • FIG. 2 is a conceptual diagram showing data
  • FIG. 10 is a conceptual diagram conceptually showing a transition form of recorded program data when the next program button is pressed. When the previous program button is pressed, it is a conceptual diagram conceptually showing the transition form of the recorded program data. It is a figure which shows operation
  • FIG. 16A It is a schematic diagram of the example of a display screen as which the video signal in process of reproduction
  • FIG. 16D It is a figure which shows the example of information stored in DB for selecting CM data which should be displayed of the display area 110 of FIG. 16C.
  • FIG. 17 is a state transition diagram according to the display screen example described with reference to FIG. 16; It is explanatory drawing of the storage area of the program data in HDD17 which concerns on Example 4 of this invention.
  • digital recording and reproducing apparatus 11 antenna 12 tuner 14 converter 17 HDD (hard disk) 17a Always record HDD 17b HDD for storage 18 Hard Disk Controller (HDD Controller) 19 Demultiplexer 20 MPEG Decoder 21 Audio Decoder 22a Second Converter 22b Third Converter 23 CPU 24 memory 25 signal reception unit 26 network controller 26b real time clock 27 image processing unit 28 input unit 29 DVD drive 50 server for time index

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Le problème décrit par la présente invention est d'afficher des informations concernant des acteurs dans un programme au niveau, par exemple, du bas d'un dispositif d'affichage de télévision tandis que les données de programme sont lues. À cet effet, la présente invention comprend : un support d'enregistrement pour enregistrer des données de programme reçues ; un support de stockage pour stocker des métadonnées indiquant des personnes apparaissant dans des données vidéo des données de programme ; un moyen de lecture pour lire les données de programme enregistrées sur le support d'enregistrement ; et un moyen de sortie pour générer une sortie de sorte que, dans le cas d'une lecture des données de programme par le moyen de lecture, des informations concernant lesdites personnes apparaissant selon les métadonnées correspondant aux données de programme sont affichées sous la forme d'un téléscripteur sur un récepteur de télévision.
PCT/JP2018/034917 2017-09-21 2018-09-20 Dispositif d'enregistrement/lecture WO2019059313A1 (fr)

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