JP4541885B2 - 特別モードをインプリメントするためのビデオデータ伝送方法及び装置 - Google Patents
特別モードをインプリメントするためのビデオデータ伝送方法及び装置 Download PDFInfo
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- JP4541885B2 JP4541885B2 JP2004520681A JP2004520681A JP4541885B2 JP 4541885 B2 JP4541885 B2 JP 4541885B2 JP 2004520681 A JP2004520681 A JP 2004520681A JP 2004520681 A JP2004520681 A JP 2004520681A JP 4541885 B2 JP4541885 B2 JP 4541885B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- 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
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
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- 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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
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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
- H04N21/43—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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- 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
- H04N21/43622—Interfacing an external recording device
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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
- H04N21/43—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
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- H—ELECTRICITY
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- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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- H04N5/00—Details of television systems
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- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
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- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
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- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
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- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Communication Control (AREA)
Description
記憶されたタグ値に従って2つの連続したパケット間の差を計算するステップと、
この差及びトリックモードを定めるバスを介して受信されるパラメータに従ってオフセット値を計算するステップと、
このオフセットを伝送されるパケットのタグ値に加算して、伝送すべき次のパケットのバスを介する伝送時間を定める新しいタグ値を得るステップとを含むことを特徴とする。
カウント情報を提供するためのカウンタを有し、
バスを介してタグに相応するパケットの伝送をトリガするためにカウント情報をタグと比較する比較器を有し、
トリックモードのパラメータ及び伝送された先行するパケットのタグ値を受信してこれらのパラメータ及び2つの連続するパケットのタグ値の間の差に従ってオフセット値を計算する計算回路を有し、
パケット(n−1)の伝送時間に相応するタグ値をオフセット値に加算して、後続のパケットnの伝送に相応する、比較器に伝送される新しいタグ値を定めるための加算器を有することを特徴とする。
図2は読み出しインターフェース回路を示す。
TS(n−1)=TS(file)
TS(n)=TS(file)+オフセット
TS(n+1)=TS(file)+2×オフセット
TS(n+2)=TS(file)+3×オフセット
等々を我々は有する。TS(file)は記憶媒体に記憶されたパケット(n−1)に関連付けられたタグに相応する。
2 リンクコントロールレイヤ(LINK)
3 物理インターフェースレイヤ(PHY)
4 ハードディスクインターフェース回路
5 PHY回路
6 LINK回路
7 書き込みインターフェース回路
8 クロック回路
9 読み出しインターフェース回路
10 ハードディスク
11 読み出しバッファメモリ
12 パケットメモリ
13 タグ抽出回路
14 復元カウンタ
15 スイッチ
16 TSレジスタ
17 タグオフセットレジスタ
18 加算器回路
19 比較器
20 パケットカウンタ
Claims (11)
- 記憶媒体に記憶された符号化されたビデオデータをバスを介して伝送する方法であって、前記記憶されたデータはデータパケット及び該パケットに割り当てられたタグであり、前記記憶媒体から読み出されたパケットのバスを介する伝送時間を定めるために前記タグを伝送クロック(8)からカウントされた値(9)と比較するステップを有する、記憶媒体に記憶された符号化されたビデオデータをバスを介して伝送する方法において、
トリックモードのインプリメンテーションのために前記方法は以下のステップも含む、すなわち、
記憶されたタグ値に従って2つの連続したパケット間の差を計算するステップと、
この差及びトリックモードを定めるバスを介して受信されるパラメータに従ってオフセット値を計算するステップと、
このオフセットを伝送されるパケットのタグ値に加算(18)して、伝送すべき次のパケットのバスを介する伝送時間を定める新しいタグ値を得るステップとを含むことを特徴とする、記憶媒体に記憶された符号化されたビデオデータをバスを介して伝送する方法。 - 差の計算は一連のパケットに亘って平均値をとることを特徴とする、請求項1記載の方法。
- 差平均値の計算は、リアルタイムにではなく、所定の期間に亘って記憶されるタグに基づいて行われることを特徴とする、請求項2記載の方法。
- 記憶されるデータはMPEG標準により符号化されたオーディオ及びビデオデータであることを特徴とする、請求項1記載の方法。
- 記憶されるデータはトランスポートストリームTSに相応することを特徴とする、請求項2記載の方法。
- バスはIEEE1394バスであることを特徴とする、請求項1記載の方法。
- トリックモードのパラメータはIEEE1394バスにリンクされたデコーダから由来することを特徴とする、請求項6記載の方法。
- トリックモードはスローモーション及び高速フォワード又はリバース画像スクローリングモードであり、パラメータがスクローリングスピード及び方向を定めることを特徴とする、請求項1記載の方法。
- 請求項1記載の方法をインプリメントするためのデータ伝送装置において、
該装置は、
カウント情報を提供するためのカウンタ(14)を有し、
読み出しコントロール信号を送信するためにカウント情報をタグと比較する比較器(19)を有し、
前記読み出しコントロール信号に従って、バスを介してタグに相応するパケットの伝送をトリガするために、前記比較器と前記バスとに結合されたパケットメモリ(12)を有し、
トリックモードのパラメータ及び伝送された先行するパケットのタグ値を受信してこれらのパラメータ及び2つの連続するパケットのタグ値の間の差に従ってオフセット値を計算する計算回路を有し、
パケット(n−1)の伝送時間に相応するタグ値をオフセット値に加算して、後続のパケットnの伝送に相応する、比較器に伝送される新しいタグ値を定めるための加算器(18)を有する、
ことを特徴とする、請求項1記載の方法をインプリメントするためのデータ伝送装置。 - 計算回路は2つの連続するパケットのタグ値の間の差の平均値を計算することを特徴とする、請求項9記載の装置。
- 請求項9記載の伝送装置を有することを特徴とする、サーバ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0209038A FR2842690B1 (fr) | 2002-07-17 | 2002-07-17 | Procede et dispositif de transmission de donnees video pour la mise en oeuvre de modes speciaux |
PCT/EP2003/050305 WO2004008748A2 (fr) | 2002-07-17 | 2003-07-11 | Procede et dispositif de transmission de donnees video pour la mise en oeuvre de modes speciaux |
Publications (2)
Publication Number | Publication Date |
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JP2005533420A JP2005533420A (ja) | 2005-11-04 |
JP4541885B2 true JP4541885B2 (ja) | 2010-09-08 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004520681A Expired - Fee Related JP4541885B2 (ja) | 2002-07-17 | 2003-07-11 | 特別モードをインプリメントするためのビデオデータ伝送方法及び装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7539213B2 (ja) |
EP (1) | EP1522189B1 (ja) |
JP (1) | JP4541885B2 (ja) |
KR (1) | KR100982890B1 (ja) |
CN (1) | CN100461844C (ja) |
AU (1) | AU2003255531A1 (ja) |
DE (1) | DE60331069D1 (ja) |
FR (1) | FR2842690B1 (ja) |
MX (1) | MXPA05000579A (ja) |
WO (1) | WO2004008748A2 (ja) |
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JP5200204B2 (ja) | 2006-03-14 | 2013-06-05 | ディブエックス リミテッド ライアビリティー カンパニー | 高信頼性システムを含む連合型デジタル権限管理機構 |
US8122464B2 (en) * | 2006-03-16 | 2012-02-21 | The Nielsen Company (Us), Llc | Methods and apparatus to monitor media content on a consumer network |
EP4213033A1 (en) | 2007-01-05 | 2023-07-19 | DivX, LLC | Video distribution system including progressive playback |
JP5147278B2 (ja) * | 2007-04-09 | 2013-02-20 | 株式会社日立製作所 | 映像配信装置およびキーフレーム配信方法 |
JP5513400B2 (ja) | 2007-11-16 | 2014-06-04 | ソニック アイピー, インコーポレイテッド | マルチメディアファイルのための階層的で簡略なインデックス構造体 |
EP2507995A4 (en) | 2009-12-04 | 2014-07-09 | Sonic Ip Inc | SYSTEMS AND METHODS FOR TRANSPORTING ELEMENTARY BIT TRAIN CRYPTOGRAPHIC MATERIAL |
US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
US8787570B2 (en) | 2011-08-31 | 2014-07-22 | Sonic Ip, Inc. | Systems and methods for automatically genenrating top level index files |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
CN104052912B (zh) * | 2013-03-11 | 2019-03-15 | 腾讯科技(深圳)有限公司 | 处理视频的方法及装置 |
KR102012682B1 (ko) | 2015-01-06 | 2019-08-22 | 디브이엑스, 엘엘씨 | 디바이스들간에 콘텐트를 인코딩 및 공유하기 위한 시스템들 및 방법들 |
TWI713362B (zh) * | 2019-12-17 | 2020-12-11 | 瑞昱半導體股份有限公司 | 多媒體內容播放裝置與多媒體內容播放方法 |
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2002
- 2002-07-17 FR FR0209038A patent/FR2842690B1/fr not_active Expired - Fee Related
-
2003
- 2003-07-11 WO PCT/EP2003/050305 patent/WO2004008748A2/fr active Application Filing
- 2003-07-11 DE DE60331069T patent/DE60331069D1/de not_active Expired - Lifetime
- 2003-07-11 US US10/521,384 patent/US7539213B2/en not_active Expired - Fee Related
- 2003-07-11 JP JP2004520681A patent/JP4541885B2/ja not_active Expired - Fee Related
- 2003-07-11 EP EP03763909A patent/EP1522189B1/fr not_active Expired - Lifetime
- 2003-07-11 AU AU2003255531A patent/AU2003255531A1/en not_active Abandoned
- 2003-07-11 MX MXPA05000579A patent/MXPA05000579A/es active IP Right Grant
- 2003-07-11 KR KR1020057000781A patent/KR100982890B1/ko not_active IP Right Cessation
- 2003-07-11 CN CNB038164361A patent/CN100461844C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1522189A2 (fr) | 2005-04-13 |
DE60331069D1 (de) | 2010-03-11 |
MXPA05000579A (es) | 2005-04-19 |
US7539213B2 (en) | 2009-05-26 |
CN1669310A (zh) | 2005-09-14 |
FR2842690A1 (fr) | 2004-01-23 |
EP1522189B1 (fr) | 2010-01-20 |
AU2003255531A1 (en) | 2004-02-02 |
JP2005533420A (ja) | 2005-11-04 |
WO2004008748A2 (fr) | 2004-01-22 |
CN100461844C (zh) | 2009-02-11 |
US20060104310A1 (en) | 2006-05-18 |
KR20050021488A (ko) | 2005-03-07 |
WO2004008748A3 (fr) | 2004-04-22 |
KR100982890B1 (ko) | 2010-09-16 |
FR2842690B1 (fr) | 2004-10-08 |
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