JP2010239168A - Recording method, device, program and medium - Google Patents

Recording method, device, program and medium Download PDF

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JP2010239168A
JP2010239168A JP2007191714A JP2007191714A JP2010239168A JP 2010239168 A JP2010239168 A JP 2010239168A JP 2007191714 A JP2007191714 A JP 2007191714A JP 2007191714 A JP2007191714 A JP 2007191714A JP 2010239168 A JP2010239168 A JP 2010239168A
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recording
content
program
recorded
channel
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Yukiko Yamamoto
祐規子 山本
Takashi Takeda
享司 竹田
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Panasonic Corp
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Panasonic Corp
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Priority to JP2007191714A priority Critical patent/JP2010239168A/en
Priority to PCT/JP2008/001890 priority patent/WO2009013874A1/en
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    • 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
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • 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
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/326—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is a video-frame or a video-field (P.I.P.)
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23614—Multiplexing of additional data and video streams
    • H04N21/23617—Multiplexing of additional data and video streams by inserting additional data into a data carousel, e.g. inserting software modules into a DVB carousel
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • H04N21/26266—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for determining content or additional data repetition rate, e.g. of a file in a DVB carousel according to its importance
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • H04N21/4349—Demultiplexing of additional data and video streams by extracting from data carousels, e.g. extraction of software modules from a DVB carousel
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
    • 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
    • H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording

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

Abstract

<P>PROBLEM TO BE SOLVED: To record program information with small capacity, in a program information acquisition method. <P>SOLUTION: A recording method is provided with a channel control means for switching recording channels at regular time intervals; a recording means for recording content of the recording channels specified by the channel control means; a storage means for storing the content recorded by the recording means and a recording starting time of the content; a comparison means for comparing whether or not the content stored by the storage means is the same program as newly recorded content in the same recording channel; storage update means for storing the recording starting time of the content recorded at previous times, and the content of a more highlighted scene among the content into the storage means, and for deleting the other content and the recording starting time from the storage means, when the same program in the comparison result of the comparison means; and an EPG creation means for creating an old EPG with a highlight scene, by using the content and the recording starting time stored in the storage means. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、過去の番組情報取得方法として、１チューナーで各チャンネルを順に録画していく方法で、過去の番組表を作成する場合に有効な技術である。   The present invention is an effective technique for creating a past program guide by recording each channel in order with one tuner as a past program information acquisition method.

近年、テレビ番組の録画方法はビデオレコーダーやＤＶＤレコーダー主流の時代からＨＤＤレコーダー時代になってきた。ＡＶ機能を搭載したパソコンも広く出回るようになり、パソコンを利用してテレビ番組を視聴、録画するユーザーも増えてきた。また携帯電話もワンセグ対応の機種が増加し、今日では生活の至るところでテレビ視聴・録画が可能となっている。それに伴い、手軽に番組を視聴または録画できるように電子番組表ＥＰＧも広く普及するようになった。しかし、このＥＰＧは未来の番組表を表示することはできるが、過去の番組表を表示することができない。例えば、ユーザーが前日見たドラマの情報を取得したくても取得することができない。番組を録画すれば記録が残るが、この方法では、録画データ分の膨大な媒体容量が必要となる。また同時間帯に複数のチャンネルの番組を録画するにはチャンネル数だけチューナーが必要となる。さらには、録画したデータは必ずしもユーザーの好みとは限らないため、媒体容量を無駄に消費することになる。   In recent years, the method of recording TV programs has changed from the mainstream era of video recorders and DVD recorders to the HDD recorder era. Computers equipped with AV functions have become widely available, and the number of users who use PCs to watch and record TV programs has increased. In addition, the number of mobile phones that support 1Seg is increasing, and today, TV viewing and recording are possible throughout life. Along with this, the electronic program guide EPG has become widespread so that the program can be easily viewed or recorded. However, this EPG can display a future program guide, but cannot display a past program guide. For example, even if the user wants to acquire drama information that he / she saw the previous day, it cannot be acquired. If a program is recorded, the recording remains, but this method requires a huge medium capacity for recording data. Also, in order to record a program of a plurality of channels in the same time zone, tuners are required for the number of channels. Furthermore, since the recorded data is not necessarily the user's preference, the medium capacity is wasted.

こうした状況の中、各チャンネルの番組を順番に録画していく方法も出てきた（例えば、特許文献１参照。）。この方法を利用すると、１チューナーで全チャンネルを録画することが可能である。しかしながら、録画するチャンネルが変わっても、録画はずっと続いており、録画時間分容量を消費することになる。
特開２００５−１５１０８５号公報 Under such circumstances, a method of recording programs of each channel in order has come out (for example, see Patent Document 1). If this method is used, it is possible to record all channels with one tuner. However, even if the recording channel changes, the recording continues for a long time, and the recording time is consumed.
Japanese Patent Application Laid-Open No. 2005-151085

従来の過去の番組情報取得方法では、複数のチャンネルを順に録画していくため、過去番組表を作成すればするほど、録画したデータ容量が大きくなるという課題があった。   In the conventional past program information acquisition method, since a plurality of channels are recorded in order, there is a problem that the recorded data capacity increases as the past program guide is created.

上記課題を解決するために、同チャンネルごとにおいて、ある時刻ｔに録画したデータと次の時刻ｔ＋αに録画したデータで比較を行い、よりハイライトである録画情報を残し、もう一方の録画情報は削除する。ただし、削除する情報が最初にその番組を録画開始した時刻であれば、その時刻は覚えておく。このようにして、各番組の放送開始時刻を記憶すると共に、各番組のハイライトシーンの録画情報だけを取得し、サムネイルとして表示する。   In order to solve the above-mentioned problem, for each channel, the data recorded at a certain time t is compared with the data recorded at the next time t + α, the recorded information that is more highlighted is left, and the other recorded information is delete. However, if the information to be deleted is the time when the program is first recorded, the time is remembered. In this way, the broadcast start time of each program is stored, and only the recording information of the highlight scene of each program is acquired and displayed as a thumbnail.

各番組に対し、少ないデータ量で、番組のハイライト部分だけを記録した番組表を作成することが出来る。   For each program, it is possible to create a program table in which only a highlight portion of the program is recorded with a small amount of data.

（実施の形態）
本発明の実施の形態について、図面を参照しながら説明する。図１は本発明における過去の番組情報取得方法の全体構成を示している。図１は本発明の実施の形態における過去の番組情報取得方法の全体構成を示している。図１において、１１は一定の時間ごとに録画チャンネルを切り換え、一巡すると最初の録画チャンネルに戻るという動作を繰り返すチャンネル制御手段、１２はチャンネル制御手段１１で切り換えられた録画チャンネルのコンテンツを順番に録画する録画手段、１３は録画手段１２で録画されたコンテンツと該コンテンツの録画開始時刻を記憶する記憶手段、１４は記憶手段１３で記憶されたコンテンツと同じ録画チャンネルの新しく録画されたコンテンツが同じ番組か否かを比較する比較手段、１５は比較手段１４で同じ番組と判断された場合に、該コンテンツのうち、より過去に録画されたコンテンツの録画開始時刻、及びよりハイライトなシーンのコンテンツを前記記憶手段に保存すると共に、記憶手段１３から他方のコンテンツと録画開始時刻を削除する記憶更新手段、１６は記憶手段１３に記憶されたコンテンツと録画開始時刻を用いて、ハイライトシーン付きの過去ＥＰＧを作成するＥＰＧ作成手段、１７は記憶更新手段１５において保存されたコンテンツと該コンテンツの録画開始時刻のデータベースを表している。図２は、図１のデータベース１７の構造の一例を示した図である。図３は実施の形態での処理の流れを示したフロー図である。 (Embodiment)
Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows the overall configuration of a past program information acquisition method according to the present invention. FIG. 1 shows the overall configuration of a past program information acquisition method according to an embodiment of the present invention. In FIG. 1, 11 is a channel control unit that repeats the operation of switching the recording channel at regular time intervals and returns to the first recording channel once it completes a cycle, and 12 records the contents of the recording channel switched by the channel control unit 11 in order. Recording means 13, storage means 13 for storing the content recorded by the recording means 12 and recording start time of the content, and 14, a program in which newly recorded content of the same recording channel as the content stored in the storage means 13 is the same. The comparison means 15 compares the recording start time of the content recorded in the past and the content of the highlight scene when the comparison means 14 determines that the program is the same. In addition to saving in the storage means, the other content and recording from the storage means 13 are recorded. Storage update means for deleting the start time, 16 is an EPG creation means for creating a past EPG with a highlight scene using the content stored in the storage means 13 and the recording start time, and 17 is saved in the storage update means 15 And a database of the recording start time of the content. FIG. 2 is a diagram showing an example of the structure of the database 17 of FIG. FIG. 3 is a flowchart showing the flow of processing in the embodiment.

以上のように構成された過去の番組情報取得方法について、以下、その動きについて図１〜図３を用いて説明する。   With respect to the past program information acquisition method configured as described above, its movement will be described below with reference to FIGS.

過去ＥＰＧ作成開始が指示されると（ステップ３０１）、チャンネル制御手段１１によって最初の録画チャンネルが決定され（ステップ３０２）、録画手段１２はチャンネル制御手段１１より指示されたチャンネルの番組を録画する（ステップ３０４）。以降、チャンネル制御手段１１は、２秒間隔でチャンネルを変える動作を行う（ステップ３０３）。記憶手段１３は、録画手段１２によって録画が開始された時刻と録画内容を記憶する（ステップ３０５）。比較手段１４は、記憶手段１３で記憶された番組と、前回同じチャンネルで録画した番組とを比較し（ステップ３０６）、同じ番組でない場合は、記憶手段１３で記憶している情報を保存する（ステップ３０７）。前回と今回が同じ番組であれば、記憶更新手段１５は、どちらがよりハイライトシーンに近いか比較し（ステップ３０８）、前回録画分の方がハイライトシーンに近ければ、記憶手段１３で記憶している情報を破棄し（ステップ３０９）、今回録画分の方がハイライトシーンに近ければ、前回録画分を破棄し、今回録画分をデータベース１７に保存する（ステップ３１０）。データベース内の情報は、図２のように、チャンネル情報、番組名、開始時間、番組のハイライトシーンを録画した保存場所が登録されている。   When the start of past EPG creation is instructed (step 301), the first recording channel is determined by the channel control means 11 (step 302), and the recording means 12 records the program of the channel instructed by the channel control means 11 (step 301). Step 304). Thereafter, the channel control means 11 performs an operation of changing the channel at intervals of 2 seconds (step 303). The storage means 13 stores the time when the recording is started by the recording means 12 and the recorded contents (step 305). The comparison means 14 compares the program stored in the storage means 13 with the program recorded on the same channel last time (step 306), and if not, saves the information stored in the storage means 13 (step 306). Step 307). If the previous program and the current program are the same, the storage update unit 15 compares which is closer to the highlight scene (step 308), and if the previous recording is closer to the highlight scene, it is stored in the storage unit 13. If the current recording is closer to the highlight scene, the previous recording is discarded and the current recording is stored in the database 17 (step 310). As shown in FIG. 2, the information in the database includes channel information, program name, start time, and storage location where the highlight scene of the program is recorded.

このように、チャンネルを切り替えながら、番組を録画していき、各番組の開始時間と最もハイライトな部分とを記録していく。   In this way, the program is recorded while switching the channel, and the start time and the highlight part of each program are recorded.

なお、実施の形態において、チャンネル制御手段１１は、２秒以外の間隔でチャンネルを変えても構わないし、可変時間長でチャンネルを変えても構わない。記憶更新手段１５は、データベースなしで管理しても構わない。データベース１７は、ハイライトシーンの録画データ保存場所の代わりに録画データを登録しても構わない。   In the embodiment, the channel control means 11 may change the channel at intervals other than 2 seconds, or may change the channel at a variable time length. The storage update means 15 may be managed without a database. The database 17 may register recording data instead of the recording data storage location of the highlight scene.

本発明は、過去に放送された番組を少ない容量で記録できる方法である。開始時間とサムネイルが表示されていることで、ひと目で番組内容がわかるようになっており、記録する容量が小さい。このため、表示に時間をかけることなく動作することが可能になり、ＰＣ上のアプリケーション、携帯電話向けのアプリケーション、ＨＤＤレコーダー、カーナビなど、テレビ番組を受信するあらゆる機器に搭載することが可能である。この番組表を見て、見たい番組をクリックすると、配信コンテンツサーバーにアクセスして、番組をダウンロードしたり、映画をレンタルすることが可能になる。また、放送局にアクセスして、再放送の日時情報を得たり、番組に関連する本やグッズなどの情報を得ることも可能である。このように、番組表だけを提供してもよいし、配信業者や放送局など、各種業界と連携をとった商品にすることも可能である。   The present invention is a method capable of recording a previously broadcasted program with a small capacity. Since the start time and thumbnail are displayed, the program contents can be understood at a glance, and the recording capacity is small. For this reason, it is possible to operate without taking time to display, and it can be installed in any device that receives a TV program, such as an application on a PC, an application for a mobile phone, an HDD recorder, or a car navigation system. . If you look at this program guide and click on the program you want to watch, you can access the distribution content server and download the program or rent a movie. It is also possible to obtain information on the date and time of rebroadcast by accessing a broadcasting station, and information on books and goods related to the program. In this way, it is possible to provide only the program guide, or to make products in cooperation with various industries such as distributors and broadcasting stations.

本発明の実施の形態に於ける過去の番組情報取得方法の全体構成を示した図The figure which showed the whole structure of the past program information acquisition method in embodiment of this invention 本発明の実施の形態に於けるデータベースの構造の一例を示した図The figure which showed an example of the structure of the database in embodiment of this invention 本発明の実施の形態での処理の流れを示したフロー図The flowchart which showed the flow of the process in embodiment of this invention

符号の説明Explanation of symbols

１１ チャンネル制御手段
１２ 録画手段
１３ 記憶手段
１４ 比較手段
１５ コンテンツ制御手段
１６ ＥＰＧ作成手段
１７ データベース 11 Channel control means 12 Recording means 13 Storage means 14 Comparison means 15 Content control means 16 EPG creation means 17 Database

Claims (6)

一定の時間ごとに録画チャンネルを切り換え、一巡すると最初の録画チャンネルに戻って、録画チャンネル切り替えを繰り返すチャンネル制御ステップと、前記チャンネル制御ステップで切り換えられた録画チャンネルのコンテンツを順番に録画する録画ステップと、前記録画ステップで録画されたコンテンツと該コンテンツの録画開始時刻を記憶する記憶ステップと、前記記憶ステップで記憶されたコンテンツと同じ録画チャンネルの新しく録画されたコンテンツが同じ番組か否かを比較する比較ステップと、前記比較ステップで同じ番組と判断された場合に、該コンテンツのうち、より過去に録画されたコンテンツの録画開始時刻、及びよりハイライトなシーンのコンテンツを保存すると共に、他方のコンテンツと録画開始時刻を削除する記憶更新ステップと、前記記憶更新ステップで記憶されたコンテンツと録画開始時刻を用いて、ハイライトシーン付きの過去ＥＰＧを作成するＥＰＧ作成ステップとを有することを特徴とする記録方法。 A channel control step for switching recording channels at regular intervals, returning to the first recording channel after one round, and repeating the recording channel switching, and a recording step for sequentially recording the contents of the recording channels switched in the channel control step; The storage step of storing the content recorded in the recording step and the recording start time of the content is compared with whether or not the newly recorded content of the same recording channel as the content stored in the storage step is the same program When it is determined that the program is the same in the comparison step and the comparison step, the recording start time of the content recorded in the past and the content of the highlighted scene are saved, and the other content is stored. And start recording time A storage updating step, using a recording start time and the stored content by said storing update step, recording method and having a EPG generating step of generating a past EPG with highlight scene. 前記記憶更新ステップにおいて、データベースで管理することを特徴とする、請求項１に記載の記録方法。 The recording method according to claim 1, wherein the storage update step is managed by a database. 前記記憶更新ステップにおいて、ハイライトシーンの録画データよりサムネイルを抽出して保存することを特徴とする、請求項１に記載の記録方法。 The recording method according to claim 1, wherein in the storage update step, thumbnails are extracted and stored from recorded data of a highlight scene. 請求項１から請求項３のいずれかの請求項に記載の記録方法によって番組を記録する記録装置。 A recording apparatus for recording a program by the recording method according to any one of claims 1 to 3. 請求項１から請求項３のいずれかの請求項に記載の記録方法を動作させるプログラム。 A program for operating the recording method according to any one of claims 1 to 3. 請求項５に記載のプログラムを記録した媒体。 A medium on which the program according to claim 5 is recorded.
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