JP5006044B2 - 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース - Google Patents
同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース Download PDFInfo
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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]
- H04N21/20—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
- H04N21/23602—Multiplexing isochronously with the video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
-
- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4143—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a Personal Computer [PC]
-
- 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
- H04N21/4342—Demultiplexing isochronously with video sync, e.g. according to bit-parallel or bit-serial interface formats, as SDI
-
- 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
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
- 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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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Systems (AREA)
- Communication Control (AREA)
- Time-Division Multiplex Systems (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Television Systems (AREA)
Description
102 クライアント
104 バス
106 インタフェース
108 フレーム
110 フレームヘッダ
112 ビデオブロック
114 オーディオブロック
116 オーディオヘッダ
130 フォーマットフラグ
132 SMPTEタイムコード
134 増加フレームカウンタ
136 オーディオサイクルカウント値
138 オーディオサンプルカウント値
140 チャンネルカウント値
142 ブロックサイズバイトカウント値
144 オーディオフォーマットフラグ
146 ビデオフォーマットフラグ
150 複数のパケット
160 SDTIフレーム
162 垂直帰線消去部分
164 水平帰線
166 SDIフレームヘッダ
180 基準クロック
182 クロック
184 バッファ
300 シリアルユニット
302 ユニットディレクトリ
304 シリアルユニットレジスタマップ
Claims (25)
- 複数のデータフレームを、コンピュータとビデオクライアントとの間で接続された高速のシリアルインタフェースを通じて相互に通信している前記コンピュータと前記ビデオクライアントとの間で順次に伝送するための方法であって、
各前記データフレームに関して、フレームヘッダと、前記フレームヘッダの後に続くビデオデータと、前記ビデオデータの後に続くオーディオデータとを提供する処理と、
受信された入力の垂直帰線消去期間において前記データフレームを前記高速のシリアルインタフェースから送信する処理と
を有し、
前記データフレームが、前記高速のシリアルインタフェースにおいて入力を受信すると共に、前記入力をデータフレームに編成することによって生成され、
前記垂直帰線消去期間が、前記受信された入力から判定される
ことを特徴とする方法。 - 各前記データフレームに関して、前記ビデオデータと前記オーディオデータとの間に与えられるオーディオヘッダを提供する処理を更に有する
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、フレームカウント同期化ビットを有する
ことを特徴とする請求項1に記載の方法。 - 各前記データフレームに関して、垂直帰線消去部分を提供する処理を更に有する
ことを特徴とする請求項3に記載の方法。 - 前記フレームカウント同期化ビットが、前記垂直帰線消去部分と同期化される
ことを特徴とする請求項4に記載の方法。 - 各前記データフレームに関して、オーディオサイクルカウント値を備えるオーディオヘッダを提供する処理を更に有する
ことを特徴とする請求項1に記載の方法。 - 前記オーディオデータが、前記ビデオデータに対してサンプリングされる
ことを特徴とする請求項1に記載の方法。 - 前記オーディオデータが、フレーム当たりのオーディオサンプルカウント値を含む
ことを特徴とする請求項1に記載の方法。 - 前記オーディオサンプルカウント値が、サンプル当たりのバイト数を示す
ことを特徴とする請求項8に記載の方法。 - 前記オーディオサンプルカウント値が、“ANSI/SMPTE 272M”の仕様に従って変化する
ことを特徴とする請求項8に記載の方法。 - 前記フレームヘッダが、ビデオデータのサンプル当たりのビット数を示すフォーマットフラグを含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、SMPTEタイムコードを含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、増加フレームカウンタを含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、“ANSI/SMPTE 272M”の仕様によって指定されたオーディオ抑揚における位置を示す前記オーディオサイクルカウント値を含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、オーディオチャンネルカウント値を含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、ブロックサイズバイトカウント値を含む
ことを特徴とする請求項1に記載の方法。 - 前記ブロックサイズバイトカウント値が、前記オーディオデータにいくつのオーディオのバイトが含まれるかを示す
ことを特徴とする請求項16に記載の方法。 - 前記フレームヘッダが、オーディオフォーマットフラグを含む
ことを特徴とする請求項1に記載の方法。 - 前記フレームヘッダが、ビデオフォーマットフラグを含む
ことを特徴とする請求項1に記載の方法。 - コンピュータとビデオクライアントとの間でビデオデータを伝送するための方法であって、
入力信号を受け取る処理と、
前記受け取られた入力を“SDTI”準拠のフレームに編成する処理と、
前記受け取られた入力信号の垂直帰線消去期間を判定する処理と、
ヘッダを前記ビデオデータの前記“SDTI”準拠のフレームに付与する処理と、
前記ヘッダ及び前記“SDTI”準拠のフレームを、前記ビデオデータの各垂直帰線消去期間において、“IEEE 1394b”準拠のインタフェースを介して、前記ビデオクライアントと前記コンピュータとの間で伝送する処理と
を有することを特徴とする方法。 - 前記“SDTI”準拠のフレームを、第1の部分と第2の部分とに分割する処理と、
第1のチャンネルを介して、前記ヘッダ及び前記第1の部分を伝送する処理と、
第2のチャンネルを介して、前記ヘッダ及び前記第2の部分を伝送する処理と
を更に有することを特徴とする請求項20に記載の方法。 - コンピュータとビデオクライアントとの間でビデオデータを伝送するための装置であって、
入力信号を受け取るように構成された回路と、
前記受け取られた入力を“SDTI”準拠のフレームに編成するように構成された回路と、
前記受け取られた入力信号の垂直帰線消去期間を判定するように構成された回路と、
ヘッダを前記ビデオデータの“SDTI”準拠のフレームに付与するように構成された回路と、
前記ヘッダ及び前記“SDTI”準拠のフレームを、前記ビデオデータの各垂直帰線消去期間において、“IEEE 1394b”準拠のインタフェースを介して、前記ビデオクライアントと前記コンピュータとの間で伝送するように構成された回路と
を備えることを特徴とする装置。 - 前記“SDTI”準拠のフレームを、第1の部分と第2の部分とに分割するように構成された回路と、
第1のチャンネルを介して、前記ヘッダ及び前記第1の部分を伝送すると共に、第2のチャンネルを介して、前記ヘッダ及び前記第2の部分を伝送するように構成された回路と
を更に備えることを特徴とする請求項22に記載の装置。 - コンピュータにより実行された時に、コンピュータとビデオクライアントとの間でデータを伝送する命令を有するコンピュータプログラムであって、
コンピュータにより実行された時に、入力信号を受け取る命令と、
コンピュータにより実行された時に、前記受け取られた入力を“SDTI”準拠のフレームに編成する命令と、
コンピュータにより実行された時に、前記受け取られた入力信号の垂直帰線消去期間を判定する命令と、
コンピュータにより実行された時に、ヘッダを前記データの前記“SDTI”準拠のフレームに付与する命令と、
コンピュータにより実行された時に、前記ヘッダ及び前記“SDTI”準拠のフレームを、前記判定された垂直帰線消去期間において、“IEEE 1394b”準拠のインタフェースを介して、前記ビデオクライアントと前記コンピュータとの間で伝送する命令と
を有することを特徴とするコンピュータプログラム。 - コンピュータにより実行された時に、前記“SDTI”準拠のフレームを、第1の部分と第2の部分とに分割する命令と、
コンピュータにより実行された時に、第1のチャンネルを介して、前記ヘッダ及び前記第1の部分を伝送すると共に、第2のチャンネルを介して、前記ヘッダ及び前記第2の部分を伝送する命令と
を更に有することを特徴とする請求項24に記載のコンピュータプログラム。
Applications Claiming Priority (5)
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US10/746,281 US20040255338A1 (en) | 2003-06-13 | 2003-12-23 | Interface for sending synchronized audio and video data |
PCT/US2004/018648 WO2005001633A2 (en) | 2003-06-13 | 2004-06-10 | Interface for sending synchronized audio and video data |
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JP2012079425A Division JP5537588B2 (ja) | 2003-06-13 | 2012-03-30 | 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース |
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JP2007517421A JP2007517421A (ja) | 2007-06-28 |
JP5006044B2 true JP5006044B2 (ja) | 2012-08-22 |
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JP2006533738A Expired - Lifetime JP5006044B2 (ja) | 2003-06-13 | 2004-06-10 | 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース |
JP2012079425A Expired - Fee Related JP5537588B2 (ja) | 2003-06-13 | 2012-03-30 | 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース |
JP2013236605A Expired - Fee Related JP5753889B2 (ja) | 2003-06-13 | 2013-11-15 | 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース |
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JP2013236605A Expired - Fee Related JP5753889B2 (ja) | 2003-06-13 | 2013-11-15 | 同期化されたオーディオデータ、及びビデオデータを伝送するためのインタフェース |
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EP (1) | EP1629370A4 (ja) |
JP (3) | JP5006044B2 (ja) |
CN (1) | CN101790088B (ja) |
CH (1) | CH704037B1 (ja) |
HK (1) | HK1091006A1 (ja) |
SE (2) | SE0500332L (ja) |
WO (1) | WO2005001633A2 (ja) |
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WO2005001633A3 (en) | 2005-04-14 |
US20160337674A1 (en) | 2016-11-17 |
JP5537588B2 (ja) | 2014-07-02 |
EP1629370A4 (en) | 2006-06-14 |
WO2005001633A2 (en) | 2005-01-06 |
JP5753889B2 (ja) | 2015-07-22 |
CN101790088A (zh) | 2010-07-28 |
JP2007517421A (ja) | 2007-06-28 |
CH704037B1 (de) | 2012-05-15 |
SE530393C2 (sv) | 2008-05-20 |
US20040255338A1 (en) | 2004-12-16 |
JP2014057353A (ja) | 2014-03-27 |
JP2012178835A (ja) | 2012-09-13 |
EP1629370A2 (en) | 2006-03-01 |
HK1091006A1 (en) | 2007-01-05 |
SE0500332L (sv) | 2005-04-13 |
CN101790088B (zh) | 2013-01-02 |
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