JP5110715B2 - 字幕を組むための方法および装置 - Google Patents
字幕を組むための方法および装置 Download PDFInfo
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- JP5110715B2 JP5110715B2 JP2010246004A JP2010246004A JP5110715B2 JP 5110715 B2 JP5110715 B2 JP 5110715B2 JP 2010246004 A JP2010246004 A JP 2010246004A JP 2010246004 A JP2010246004 A JP 2010246004A JP 5110715 B2 JP5110715 B2 JP 5110715B2
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- 238000012545 processing Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
- H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
- H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
- H04N7/0882—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital for the transmission of character code signals, e.g. for teletext
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- 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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/278—Subtitling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Studio Circuits (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Television Systems (AREA)
- Adornments (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
文字ベースの字幕付け手法では、例えば、ヨーロッパのアナログ又はディジタルTVのテレテキストシステムETS 300 706では、ストリングは本質的に非常に多様な効率的な符号化を可能にする文字コード、例えばASCII又はUNICODEのシーケンスで記述される。しかし、文字ストリングからだけでは、字幕ビデオにオーバーレイすべきグラフィック表示に字幕を変換することはできない。このためには、目的の文字セット、フォント、及び、いくつかのフォントパラメータ、とりわけフォントサイズを、字幕ビットストリーム内で明示的に符号化するか、又は適切に定義された字幕付けのコンテキストにおいてこれらに関する暗黙の仮定をしなければならない。また、この手法でのいずれの字幕付けも、使用中の特定のフォントの文字及びシンボルで表現しうるものに限定されている。「文字オブジェクト」モードにおけるDVB字幕付け規格ETS 300 743は、文字ベースの字幕付けの別の従来技術の一例である。
ピクセルベースの字幕付け手法では、字幕付けフレームは、直接AVスクリーン上のピクセル値の(一般には矩形の)領域として記述されたグラフィック表示の形式で搬送される。ビデオに重ね合わされる字幕付け面において何かを可視にする場合には、そのピクセル値を符号化し、適切な同期化情報とともに字幕付けビットストリームに供給しなければならない。したがって、フル機能搭載の字幕アニメーションの場合には、変化したすべてのピクセルをトランスポートしなければならない。明らかに、フル機能搭載のテレテキストアニメーションに固有のいずれかの制限を取り除く場合には、ピクセルベースの手法は字幕付けデータのための帯域が著しく増大するという不利益を有している。ピクセルベースの字幕付けスキームの例は、ETS 300 743において規格化されているDVB字幕付けの「ピクセルオブジェクト」構想と同様に、DVDのサブピクチャ構想「再生専用ディスク向けのDVD規格」、第3部:ビデオにも見られる。
本発明は好適にはDVB字幕規格(DVB−ST)のシンタックス及びセマンティクスに基づいて実施される。グラフィック字幕要素の操作性能を改善するため、DVB−STのページ構成セグメント(PCS)及び領域構成セグメント(RCS)のセマンティクスが拡張される。
RHAは、フレーム又はページPG内に表示する字幕の位置を定める。
Claims (1)
- ビデオ再生装置によって再生可能な、ビデオ及び字幕の情報を含んだデータストリームが記録された記憶媒体であって、
前記記録されたデータストリームは、字幕レイヤーデータを含み、
前記字幕レイヤーデータは、グラフィックの字幕要素と、クロッピングフラグおよびクロッピングする領域を指定する字幕レイヤーのピクセルのアドレスを有するクロッピング情報と、を含み、
前記クロッピングフラグの値により、ビデオ再生装置は、前記字幕要素のクロッピング部分が表示されるか否かを決定し、前記クロッピング情報により、ビデオ再生装置は、前記字幕要素の部分を特定してクロッピングし、当該クロッピングされる字幕要素の部分だけを表示する、前記記憶媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP02025474 | 2002-11-15 | ||
EP02025474.4 | 2002-11-15 |
Related Parent Applications (1)
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JP2010132894A Division JP5263842B2 (ja) | 2002-11-15 | 2010-06-10 | 字幕を組むための方法および装置 |
Publications (2)
Publication Number | Publication Date |
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JP2011097593A JP2011097593A (ja) | 2011-05-12 |
JP5110715B2 true JP5110715B2 (ja) | 2012-12-26 |
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Family Applications (10)
Application Number | Title | Priority Date | Filing Date |
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JP2004552519A Expired - Lifetime JP4553248B2 (ja) | 2002-11-15 | 2003-11-03 | 字幕を組むための方法及び装置 |
JP2010132894A Expired - Lifetime JP5263842B2 (ja) | 2002-11-15 | 2010-06-10 | 字幕を組むための方法および装置 |
JP2010161166A Expired - Lifetime JP4587338B1 (ja) | 2002-11-15 | 2010-07-16 | 字幕を組むための方法および装置 |
JP2010246005A Expired - Lifetime JP4707125B2 (ja) | 2002-11-15 | 2010-11-02 | 字幕を組むための方法および装置 |
JP2010246004A Expired - Lifetime JP5110715B2 (ja) | 2002-11-15 | 2010-11-02 | 字幕を組むための方法および装置 |
JP2010246003A Expired - Lifetime JP4707124B2 (ja) | 2002-11-15 | 2010-11-02 | 字幕を組むための方法および装置 |
JP2011027095A Expired - Lifetime JP5108126B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2011027142A Expired - Lifetime JP5201698B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2011027082A Expired - Lifetime JP5108125B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2013077457A Expired - Lifetime JP5517318B2 (ja) | 2002-11-15 | 2013-04-03 | 字幕を組むための方法および装置 |
Family Applications Before (4)
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JP2004552519A Expired - Lifetime JP4553248B2 (ja) | 2002-11-15 | 2003-11-03 | 字幕を組むための方法及び装置 |
JP2010132894A Expired - Lifetime JP5263842B2 (ja) | 2002-11-15 | 2010-06-10 | 字幕を組むための方法および装置 |
JP2010161166A Expired - Lifetime JP4587338B1 (ja) | 2002-11-15 | 2010-07-16 | 字幕を組むための方法および装置 |
JP2010246005A Expired - Lifetime JP4707125B2 (ja) | 2002-11-15 | 2010-11-02 | 字幕を組むための方法および装置 |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
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JP2010246003A Expired - Lifetime JP4707124B2 (ja) | 2002-11-15 | 2010-11-02 | 字幕を組むための方法および装置 |
JP2011027095A Expired - Lifetime JP5108126B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2011027142A Expired - Lifetime JP5201698B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2011027082A Expired - Lifetime JP5108125B2 (ja) | 2002-11-15 | 2011-02-10 | 字幕を組むための方法および装置 |
JP2013077457A Expired - Lifetime JP5517318B2 (ja) | 2002-11-15 | 2013-04-03 | 字幕を組むための方法および装置 |
Country Status (14)
Country | Link |
---|---|
US (3) | US7852411B2 (ja) |
EP (1) | EP1576809B1 (ja) |
JP (10) | JP4553248B2 (ja) |
KR (2) | KR101034969B1 (ja) |
CN (1) | CN100377582C (ja) |
AT (1) | ATE365423T1 (ja) |
AU (1) | AU2003279350B2 (ja) |
BR (2) | BRPI0316174B1 (ja) |
CA (1) | CA2506521C (ja) |
DE (1) | DE60314544T2 (ja) |
ES (1) | ES2289339T3 (ja) |
MX (1) | MXPA05005133A (ja) |
WO (1) | WO2004047430A1 (ja) |
ZA (1) | ZA200503868B (ja) |
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