JPH09506223A - デジタル・ビデオ送信システム - Google Patents
デジタル・ビデオ送信システムInfo
- Publication number
- JPH09506223A JPH09506223A JP7515756A JP51575695A JPH09506223A JP H09506223 A JPH09506223 A JP H09506223A JP 7515756 A JP7515756 A JP 7515756A JP 51575695 A JP51575695 A JP 51575695A JP H09506223 A JPH09506223 A JP H09506223A
- Authority
- JP
- Japan
- Prior art keywords
- data
- video
- signal
- vbi
- interface
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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Classifications
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- H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
- H04N11/162—Encoding means therefor
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- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- 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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- H04N7/16—Analogue secrecy systems; Analogue subscription systems
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- H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
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- H04N7/52—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal
- H04N7/54—Systems for transmission of a pulse code modulated video signal with one or more other pulse code modulated signals, e.g. an audio signal or a synchronizing signal the signals being synchronous
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Television Systems (AREA)
- Color Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.圧縮されたビデオ・データを処理して複合ビデオ・データを得るビデオシス テムにおいて、 前記複合ビデオ・データは、複数の標準形式から選択された標準複合ビデオ信 号形式に対応し、前記複数の標準形式は、NTSC複合ビデオ信号形式およびP ALビデオ信号形式の内の少なくとも1つを含み、前記ビデオ・システムは、プ ロセッサと、前記圧縮されたデータを処理して伸張されたビデオ・データおよび ユーザ・データを得る標準ビデオ伸張器とを含み、前記ユーザ・データにはVB Iデータがエンコードされており、前記プロセッサは前記ユーザ・データから前 記VBIデータを抜粋し、ビデオ・インターフェースが前記伸張されたビデオ・ データおよびVBIデータを処理して前記複合ビデオ・データを得るものであり 、前記複合ビデオ・データにはVBIデータが符号化されており、 前記ビデオ・インターフェースは、 前記VBIデータを処理してVBI信号データを得るVBIデータ発生器と、 前記ビデオ伸張器に結合され、前記伸張されたビデオ・データを受信すると共 に、前記VBIデータ発生器に結合されて前記VBI信号データを受信し、走査 線のアクティブ・ビデオ部分の期間に出力Y,UおよびVデータを発生する混合 器と、 前記Y,UおよびVデータを処理して、前記複合ビデオ・データを得る回路と 、 を具備するビデオ・インターフェース。 2.請求項1記載のビデオ・インターフェースであって、更に、前記プロセッサ からVBIデータを受信する回路を含み、前記VBIデータは、パケットIDデ ータ、ライン番号データ、奇数/偶数フィールド・データ、値ハイのデータ、値 ローのデータ、シンボル幅データ、シンボル・データ数およびシンボル・データ の内の少なくとも1つを含むビデオ・インターフェース。 3.請求項2記載のビデオ・インターフェースであって、前記VBIデータ発生 器は、 前記シンボル・データを処理してフィルタ処理されたVBIデータを得るフィ ルタと、 前記フィルタ処理されたVBIデータの振幅をスケーリングし、前記値ハイの データおよび前記値ローのデータに基づくVBI信号データとする回路と、 を備えるビデオ・インターフェース。 4.請求項2記載のビデオ・インターフェースにおいて、前記VBIデータ発生 器は、前記VBI信号データのシンボル・レートをシンボル幅データに基づいて タイム・スケーリングする回路を含むビデオ・インターフェース。 5.請求項2記載のビデオ・インターフェースにおいて、前記VBI信号データ は、前記標準複合ビデオ信号の垂直ブランキング期間における走査線のアクティ ブ部分において再生されるアナログ・ライン信号に対応するデジタル表現された サンプル・データ列を含むビデオ・インターフェース。 6.請求項5記載のビデオインターフェースにおいて、前記アナログ・ライン信 号はクローズド・キャプショニング信号であるビデオ・インターフェース。 7.請求項5記載のビデオインターフェースにおいて、前記アナログ・ライン信 号は局ID信号であるビデオ・インターフェース。 8.請求項5記載のビデオインターフェースにおいて、前記アナログ・ライン信 号はタイム・コード信号であるビデオ・インターフェース。 9.請求項5記載のビデオインターフェースにおいて、前記アナログ・ライン信 号はアンダーサンプルされたVITS信号であるビデオ・インターフェース。 10.請求項9記載のビデオ・インターフェースにおいて、前記アンダーサンプ ルされたVITS信号は、複数のアンダーサンプルされたVITS信号の内の1 つのアンダーサンプルされたVITS信号であり、前記アナログ・ライン信号は 前記複数のアンダーサンプルされた信号から再生可能であり、前記複数のアンダ ーサンプルされたVITS信号の各アンダーサンプルされた信号はVITS信号 データに対応し、前記複数のアンダーサンプルされたVITS信号は1組のVI TS信号データに対応し、前記1組のVITS信号データの各VITS信号デー タは各ビデオ・フレームに関連付けられ、前記ビデオ・インターフェースは、更 に、前記1組のVITS信号データをセーブするためのライン記憶メモリと、前 記1組のVITS信号データからアナログ・ライン信号を再生する回路とを含む ビデオ・インターフェース。 11.圧縮されたビデオ・データを処理して複合ビデオ・データを得るビデオ・ システムにおいて、 前記複合ビデオ・データは、複数の標準形式から選択された標準複合ビデオ信 号形式に対応し、前記複数の標準形式は、NTSC複合ビデオ信号形式およびP ALビデオ信号形式の内の少なくとも1つを含み、前記ビデオ・システムは、プ ロセッサと、前記圧縮されたデータを処理して伸張されたビデオ・データおよび ユーザ・データを得る標準ビデオ伸張器とを含み、前記ユーザ・データにはカラ ー・バースト・パラメータが符号化されており、前記プロセッサは前記ユーザ・ データから前記カラー・バースト・パラメータを抜粋し、ビデオ・インターフェ ースが前記された伸張ビデオ・データおよびカラー・バースト・データを処理し て前記複合ビデオ・データを得るものであり、 前記ビデオ・インターフェースは、 正弦データおよび余弦データを発生するサブキャリア・データ発生器と、 正弦データを処理して、第1パラメータの機能に基づいて、スケーリングされ た正弦データを得る第1乗算器と、 余弦データを処理して、第2パラメータの機能に基づいて、スケーリングされ た余弦データを得る第2乗算器と、 前記スケーリングされた正弦データ、前記スケーリングされた余弦データおよ び第3パラメータを結合すると共に、前記複合ビデオ・データのカラー・バース ト部分データを発生する混合器と、 を具備するビデオ・インターフェース。 12.圧縮されたビデオ・データを処理して複合ビデオ・データを得るビデオ・ システムにおいて、 前記複合ビデオ・データは、複数の標準形式から選択された標準複合ビデオ信 号形式に対応し、前記複数の標準形式は、NTSC複合ビデオ信号形式およびP ALビデオ信号形式の内の少なくとも1つを含み、前記ビデオ・システムは、プ ロセッサと、前記圧縮されたデータを処理して伸張されたんビデオ・データおよ びユーザ・データを得る標準ビデオ伸張器とを含み、前記ユーザ・データにはパ ンスキャン・データがエンコードされており、ビデオ・インターフェースが前記 伸張されたビデオ・データおよびパンスキャン・データを処理して前記複合ビデ オ・データを得るものであり、 前記ビデオ・インターフェースは、 前記ビデオ伸張器に結合されて前記伸張されたビデオ・データを受信すると共 に、前記パンスキャン・データにしたがって、走査線のアクティブ・ビデオ部分 の期間に出力Y,UおよびVデータを発生する混合器と、 前記Y,UおよびVデータを処理して前記複合ビデオ・データを得る回路と、 を具備するビデオ・インターフェース。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/160,828 | 1993-12-03 | ||
US08/160,828 US5493339A (en) | 1993-01-21 | 1993-12-03 | System and method for transmitting a plurality of digital services including compressed imaging services and associated ancillary data services |
PCT/US1994/013799 WO1995015660A1 (en) | 1993-12-03 | 1994-12-02 | Digital video transmitting system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004033519A Division JP2004222308A (ja) | 1993-12-03 | 2004-02-10 | デジタル・ビデオ送信システム |
Publications (2)
Publication Number | Publication Date |
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JPH09506223A true JPH09506223A (ja) | 1997-06-17 |
JP3762428B2 JP3762428B2 (ja) | 2006-04-05 |
Family
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JP51575695A Expired - Lifetime JP3762428B2 (ja) | 1993-12-03 | 1994-12-02 | デジタル・ビデオ送信システム |
JP2004033519A Pending JP2004222308A (ja) | 1993-12-03 | 2004-02-10 | デジタル・ビデオ送信システム |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004033519A Pending JP2004222308A (ja) | 1993-12-03 | 2004-02-10 | デジタル・ビデオ送信システム |
Country Status (14)
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US (1) | US5493339A (ja) |
EP (1) | EP0732033A4 (ja) |
JP (2) | JP3762428B2 (ja) |
KR (1) | KR100330819B1 (ja) |
CN (1) | CN1048137C (ja) |
AU (1) | AU679824B2 (ja) |
BR (1) | BR9408234A (ja) |
CA (1) | CA2177563C (ja) |
CZ (1) | CZ154796A3 (ja) |
DE (1) | DE732033T1 (ja) |
HU (1) | HUT75274A (ja) |
MA (1) | MA23380A1 (ja) |
PL (1) | PL175544B1 (ja) |
WO (1) | WO1995015660A1 (ja) |
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1993
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- 1994-12-02 KR KR1019960702922A patent/KR100330819B1/ko not_active IP Right Cessation
- 1994-12-02 BR BR9408234A patent/BR9408234A/pt not_active Application Discontinuation
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- 1994-12-02 CN CN94194910A patent/CN1048137C/zh not_active Expired - Fee Related
- 1994-12-02 PL PL94315201A patent/PL175544B1/pl unknown
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HU9601499D0 (en) | 1996-07-29 |
HUT75274A (en) | 1997-05-28 |
CN1142878A (zh) | 1997-02-12 |
AU1333695A (en) | 1995-06-19 |
MA23380A1 (fr) | 1995-07-01 |
BR9408234A (pt) | 1997-08-26 |
JP3762428B2 (ja) | 2006-04-05 |
CA2177563A1 (en) | 1995-06-08 |
PL315201A1 (en) | 1996-10-14 |
EP0732033A1 (en) | 1996-09-18 |
CA2177563C (en) | 2004-01-27 |
DE732033T1 (de) | 1997-09-11 |
AU679824B2 (en) | 1997-07-10 |
KR100330819B1 (ko) | 2002-08-27 |
JP2004222308A (ja) | 2004-08-05 |
KR960706753A (ko) | 1996-12-09 |
WO1995015660A1 (en) | 1995-06-08 |
US5493339A (en) | 1996-02-20 |
CN1048137C (zh) | 2000-01-05 |
CZ154796A3 (en) | 1997-03-12 |
EP0732033A4 (en) | 1999-05-06 |
PL175544B1 (pl) | 1999-01-29 |
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