JP2005229636A - ディジタル・ビデオ信号処理装置 - Google Patents
ディジタル・ビデオ信号処理装置 Download PDFInfo
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- JP2005229636A JP2005229636A JP2005070476A JP2005070476A JP2005229636A JP 2005229636 A JP2005229636 A JP 2005229636A JP 2005070476 A JP2005070476 A JP 2005070476A JP 2005070476 A JP2005070476 A JP 2005070476A JP 2005229636 A JP2005229636 A JP 2005229636A
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- 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
-
- 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
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42653—Internal components of the client ; Characteristics thereof for processing graphics
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42692—Internal components of the client ; Characteristics thereof for reading from or writing on a volatile storage medium, e.g. Random Access Memory [RAM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
-
- 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
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Color Television Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Studio Circuits (AREA)
- Time-Division Multiplex Systems (AREA)
- Digital Computer Display Output (AREA)
Abstract
【解決手段】この発明のディジタル・ビデオ信号処理システムは、圧縮形式のビデオ画像情報を表わす符号化されたデータ・パケットを受信する。ビデオ復号器(1509)および関連するビデオRAM(1513)を用いて、ビデオ・パケットを復号し圧縮解除してビデオ画像を表わすディジタル・ワードのグループを形成する。また、ビデオ復号器(1509)はビデオRAM(1513)の一部に記憶されたグラフィックス・ビットマップをグラフィック画像を表わすディジタル・ワードのグループに変換するオンスクリーン表示(OSD)ユニット(1509−9)を含んでいる。
【選択図】 図2
Description
(1)圧縮形式のビデオ画像を表わすディジタル・パケットの供給源と、
グラフィック画像を表わすディジタル・データの供給源と、
前記ビデオ画像を表わすディジタル・パケットと前記グラフィック画像を表わすディジタル・データの両方を記憶する単一のメモリと、
前記メモリに結合されていて、前記ビデオ画像を表わすディジタル・パケットに応答して前記ビデオ画像の各成分を表わす一連のディジタル・ワードを生成するビデオ表示ユニットと、
前記メモリに結合されていて、前記グラフィック画像を表わすディジタル・データに応答して前記グラフィック画像の各成分を表わす一連のディジタル・ワードを生成するグラフィックス表示ユニットと、
を具えるディジタル・ビデオ信号処理装置。
(2)前記メモリは、また、少なくとも1フレーム分の前記ビデオ画像の情報を記憶するものである、(1)に記載のディジタル・ビデオ信号処理装置。
(3)前記ディジタル・データがグラフィックス制御情報を含むヘッダ部とピクセル毎の色情報を含むビットマップ部とを含んでいるものである、(1)に記載のディジタル・ビデオ信号処理装置。
(4)前記画像を表わすディジタル・パケットおよび前記グラフィック画像を表わすディジタル・データを、前記供給源の各々から前記メモリに、また前記メモリから前記表示ユニットの各々に転送する1つのメモリ制御器を具える、(1)に記載のディジタル・ビデオ信号処理装置。
(5)前記ビデオ表示ユニットと前記グラフィックス表示ユニットに結合されていて、前記ビデオ画像を表わすディジタル・ワードと前記グラフィック画像を表わすディジタル・データとを選択的に合成するマルチプレクサを具える、(1)に記載のディジタル・ビデオ信号処理装置。
(6)前記ビデオ表示ユニット、前記グラフィックス表示ユニット、前記メモリ制御器および前記マルチプレクサが1つの集積回路に含まれている、(5)に記載のディジタル・ビデオ信号処理装置。
(7)圧縮形式のビデオ画像を表わすディジタル・パケットの供給源と、
グラフィック画像を表わすディジタル・データの供給源と、
前記ビデオ画像を表わすディジタル・パケットと、グラフィックス制御情報を含むヘッダ部とピクセル毎の色情報を含むビットマップ部とを含んでいる前記グラフィック画像を表わすディジタル・データの両方を記憶する単一のメモリと、
前記メモリに結合されていて、前記ビデオ画像を表わすディジタル・パケットに応答して前記ビデオ画像の各成分を表わす一連のディジタル・ワードを生成するビデオ表示ユニットと、
前記メモリに結合されていて、前記グラフィック画像を表わすディジタル・データに応答して前記グラフィック画像の各成分を表わす一連のディジタル・ワードを生成するグラフィックス表示ユニットと、
前記画像を表わすディジタル・パケットおよび前記グラフィック画像を表わすディジタル・データを、前記供給源の各々から前記メモリに、また前記メモリから前記表示ユニットの各々に転送する1つのメモリ制御器と、
前記ビデオ画像を表わすディジタル・ワードと前記グラフィック画像を表わすディジタル・ワードとを選択的に合成するマルチプレクサとを具え、
前記ビデオ表示ユニット、前記グラフィックス表示ユニット、前記メモリ制御器および前記マルチプレクサが1つの集積回路に含まれている、ディジタル・ビデオ信号処理装置。
15 衛星受信機
1501 同調器
1503 QPSK復調器
1505 FEC復号器
1507 トランスポート・ユニット
1509 ビデオ復号器
1509−1 FIFO
1509−5 ビデオ画像表示ユニット
1509−7 マイクロプロセッサ・インタフェース・ユニット
1509−9 オンスクリーン表示(OSD)ユニット
1511 オーディオ復号器
1513 ビデオRAM
1515 テレビジョン信号符号化器
1517 ビデオDAC
1519 オーディオDAC
1521 変調器
1523 マイクロプロセッサ
17 テレビジョン受像機
Claims (1)
- 圧縮形式のビデオ画像を表わすディジタル・パケットの供給源と、
グラフィック画像を表わすディジタル・データの供給源と、
前記ビデオ画像を表わすディジタル・パケットと前記グラフィック画像を表わすディジタル・データの両方を記憶する単一のメモリと、
前記メモリに結合されていて、前記ビデオ画像を表わすディジタル・パケットに応答して前記ビデオ画像の各成分を表わす一連のディジタル・ワードを生成するビデオ表示ユニットと、
前記メモリに結合されていて、前記グラフィック画像を表わすディジタル・データに応答して前記グラフィック画像の各成分を表わす一連のディジタル・ワードを生成するグラフィックス表示ユニットと、
を具えるディジタル・ビデオ信号処理装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26162394A | 1994-06-17 | 1994-06-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50221996A Division JP4338782B2 (ja) | 1994-06-17 | 1995-05-30 | ディジタル・ビデオ信号処理装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008283405A Division JP4942051B2 (ja) | 1994-06-17 | 2008-11-04 | ディジタル・ビデオ信号を処理する装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005229636A true JP2005229636A (ja) | 2005-08-25 |
JP4375746B2 JP4375746B2 (ja) | 2009-12-02 |
Family
ID=22994120
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50221996A Expired - Lifetime JP4338782B2 (ja) | 1994-06-17 | 1995-05-30 | ディジタル・ビデオ信号処理装置 |
JP2005070476A Expired - Lifetime JP4375746B2 (ja) | 1994-06-17 | 2005-03-14 | ディジタル・ビデオ信号処理装置 |
JP2008283405A Expired - Lifetime JP4942051B2 (ja) | 1994-06-17 | 2008-11-04 | ディジタル・ビデオ信号を処理する装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50221996A Expired - Lifetime JP4338782B2 (ja) | 1994-06-17 | 1995-05-30 | ディジタル・ビデオ信号処理装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008283405A Expired - Lifetime JP4942051B2 (ja) | 1994-06-17 | 2008-11-04 | ディジタル・ビデオ信号を処理する装置 |
Country Status (14)
Country | Link |
---|---|
US (1) | US5534942A (ja) |
EP (1) | EP0765574B1 (ja) |
JP (3) | JP4338782B2 (ja) |
KR (1) | KR100334360B1 (ja) |
CN (1) | CN1087553C (ja) |
BR (1) | BR9508012A (ja) |
CA (1) | CA2191556C (ja) |
DE (1) | DE69505668T2 (ja) |
FI (1) | FI965037A0 (ja) |
IN (1) | IN183610B (ja) |
MX (1) | MX9606438A (ja) |
MY (1) | MY114674A (ja) |
RU (1) | RU2141173C1 (ja) |
WO (1) | WO1995035626A1 (ja) |
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JPS60180387A (ja) * | 1984-02-28 | 1985-09-14 | Mitsubishi Electric Corp | 表示装置 |
US4768083A (en) * | 1987-04-29 | 1988-08-30 | Rca Licensing Corporation | Digital TV having on-screen display feature |
US5412720A (en) * | 1990-09-28 | 1995-05-02 | Ictv, Inc. | Interactive home information system |
JPH0540470A (ja) * | 1991-01-14 | 1993-02-19 | Fujitsu Ltd | 表示制御装置 |
ES2134263T3 (es) * | 1992-04-17 | 1999-10-01 | Intel Corp | Arquitectura de memoria intermedia visual en cuadro. |
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1995
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Also Published As
Publication number | Publication date |
---|---|
EP0765574B1 (en) | 1998-10-28 |
JPH10501943A (ja) | 1998-02-17 |
KR100334360B1 (ko) | 2002-09-25 |
US5534942A (en) | 1996-07-09 |
RU2141173C1 (ru) | 1999-11-10 |
FI965037A (fi) | 1996-12-16 |
KR970704291A (ko) | 1997-08-09 |
CA2191556C (en) | 2000-03-28 |
JP4338782B2 (ja) | 2009-10-07 |
CA2191556A1 (en) | 1995-12-28 |
JP4375746B2 (ja) | 2009-12-02 |
MY114674A (en) | 2002-12-31 |
IN183610B (ja) | 2000-03-04 |
EP0765574A1 (en) | 1997-04-02 |
JP2009027760A (ja) | 2009-02-05 |
DE69505668D1 (de) | 1998-12-03 |
MX9606438A (es) | 1997-12-31 |
CN1087553C (zh) | 2002-07-10 |
CN1152985A (zh) | 1997-06-25 |
DE69505668T2 (de) | 1999-04-08 |
BR9508012A (pt) | 1997-09-02 |
WO1995035626A1 (en) | 1995-12-28 |
FI965037A0 (fi) | 1996-12-16 |
JP4942051B2 (ja) | 2012-05-30 |
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