JPH09502851A - 信号処理システム - Google Patents
信号処理システムInfo
- Publication number
- JPH09502851A JPH09502851A JP8503766A JP50376696A JPH09502851A JP H09502851 A JPH09502851 A JP H09502851A JP 8503766 A JP8503766 A JP 8503766A JP 50376696 A JP50376696 A JP 50376696A JP H09502851 A JPH09502851 A JP H09502851A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- time
- clock
- interface unit
- value
- 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
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40052—High-speed IEEE 1394 serial bus
- H04L12/40058—Isochronous transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
- H04J3/247—ATM or packet multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40052—High-speed IEEE 1394 serial bus
- H04L12/40117—Interconnection of audio or video/imaging devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
- H04L12/417—Bus networks with decentralised control with deterministic access, e.g. token passing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
-
- 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
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
-
- 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
- H04N21/4302—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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- 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
- H04N21/43072—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 of multiple content streams on the same 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
- H04N21/434—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
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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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6432—Topology
- H04L2012/6435—Bus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6445—Admission control
- H04L2012/6456—Channel and bandwidth allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6483—Video, e.g. MPEG
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
- H04L2012/6489—Buffer Management, Threshold setting, Scheduling, Shaping
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Small-Scale Networks (AREA)
- Communication Control (AREA)
- Information Transfer Systems (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.宛先装置に結合されたソース装置を具え、前記ソース装置を、前記宛先装置 に信号を供給するように構成し、前記信号が、ビデオデータおよびタイムスタン プを具え、前記宛先装置が、クロックと、前記クロックの値が前記タイムスタン プに対応する場合これを検知し、その結果前記ビデオ信号を出力端子に供給する 手段とを具え、前記信号が、時間値を前記宛先装置における信号の供給の瞬間に 関連させる同期データをさらに具え、前記宛先装置を、前記クロックの時間値を 前記同期データに従って調節するように構成した信号処理装置において、タイム スロット割り当てプロトコルに従って動作しうるバスを具え、前記ソース装置が 、割り当てられたタイムスロットが前記バスにおいて使用可能になるまで前記信 号を一時記憶する第1インタフェースユニットを具え、前記同期データを、前記 第1インタフェースユニットに前記信号が供給される瞬間に従って設定し、前ソ ース装置が、前記信号を前記宛先装置に前記バスを経て供給し、前記宛先装置が 、前記クロックの時間値の調節の前に前記信号を一時記憶するバッファを具え、 前記バッファにおける一時記憶を、前記信号の前記第1インタフェースユニット への供給の瞬間の後、前記バスにおけるタイムスロットの割り当てに対する最長 待ち期間に少なくとも等しい予め決められた期間が経過するまで持続するように 構成したことを特徴とする信号処理装置。 2.請求の範囲1に記載の信号処理装置において、前記ソース装置および宛先装 置が、 − 第1の他のクロックおよび第2の他のクロックと、 − 前記第1および第2の他のクロックをバスを経て他の信号によって互いに 同期させる手段とを具え、 前記ソース装置を、前記第1インタフェースユニットへの供給の瞬間において 前記第1の他のクロックから標本値を得て、この標本値についての情報を前記宛 先装置に伝送するように構成し、前記バッファが、前記第2の他のクロックが前 記標本値を前記予め決められた期間を表す予め決められたオフセットだけ上回る まで前記信号を一時記憶するようにしたことを特徴とする信号処理装置。 3.請求の範囲1に記載の信号処理装置において、前記信号が、パルスによって 互いに分離されたパケットを具え、前記標本値を、前記パケットの第1部分の前 記第1インタフェースユニットへの供給時に得るようにし、前記ソース装置を、 前記パケットの第2部分の前記第1インタフェースユニットへの供給時に前記第 1の他のクロックから他の標本値を得るように構成し、前記バッファが、前記パ ケットの第1部分および第2部分を出力する間のクロックサイクル数が前記標本 値および他の標本値の差に実際的に等しくなるように前記信号を出力する速度を 調節するようにしたことを特徴とする信号処理装置。 4.請求の範囲3に記載の信号処理装置において、前記パケットにおいて前記第 1部分が前記第2部分より先行し、前記第1インタフェースユニットを、前記標 本値の少なくとも最上位部分についての情報を前記他の標本値に対する差として 伝送するように構成したことを特徴とする信号処理装置。 5.請求の範囲4に記載の信号処理装置において、前記第1インタフェースユニ ットを、前記標本値の最下位部分を伝送するように構成したことを特徴とする信 号処理装置。 6.請求の範囲4に記載の信号処理装置において、前記標本値の最下位部分が、 前記バスに周期的に割り当てられたタイムスロットのパターンの周期における位 相を表すようにしたことを特徴とする信号処理装置。 7.請求の範囲1から6のいずれか1つに記載の信号処理装置において、前記ソ ース装置を、記録キャリヤから前記信号を再生するように構成し、前記記録キャ リヤに、前記信号を前記宛先装置に供給するタイミングを更新する他のタイムス タンプと共に前記信号を記憶し、前記信号のタイミングを、前記第1インタフェ ースユニットへの供給に先行して前記タイムスタンプに従って更新するようにし たことを特徴とする信号処理装置。 8.請求の範囲1から7のいずれか1つに記載の信号処理装置において、前記宛 先装置への供給される信号を、MPEGに基づく信号としたことを特徴とする信 号処理装置。 9.請求の範囲1から8のいずれか1つに記載のシステム用ソース装置。 10.請求の範囲1から8のいずれか1つに記載のシステム用宛先装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94201945 | 1994-07-05 | ||
EP94201945.6 | 1994-07-05 | ||
PCT/IB1995/000531 WO1996001540A2 (en) | 1994-07-05 | 1995-06-29 | Signal processing system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09502851A true JPH09502851A (ja) | 1997-03-18 |
JP3773258B2 JP3773258B2 (ja) | 2006-05-10 |
Family
ID=8217014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50376696A Expired - Lifetime JP3773258B2 (ja) | 1994-07-05 | 1995-06-29 | 信号処理システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US5689507A (ja) |
EP (1) | EP0717909B1 (ja) |
JP (1) | JP3773258B2 (ja) |
KR (1) | KR100373942B1 (ja) |
AT (1) | ATE190794T1 (ja) |
DE (1) | DE69515616T2 (ja) |
ES (1) | ES2147610T3 (ja) |
WO (1) | WO1996001540A2 (ja) |
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JP2003502947A (ja) * | 1999-06-18 | 2003-01-21 | テレフォンアクチーボラゲット エル エム エリクソン(パブル) | リアルタイムパケット通信におけるタイムスタンプの推定 |
JP2013038812A (ja) * | 2006-01-04 | 2013-02-21 | Core Wireless Licensing S A R L | 映像符号化器と映像復号器との状態整合性を検証する方法 |
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US5287182A (en) * | 1992-07-02 | 1994-02-15 | At&T Bell Laboratories | Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks |
US5260978A (en) * | 1992-10-30 | 1993-11-09 | Bell Communications Research, Inc. | Synchronous residual time stamp for timing recovery in a broadband network |
JP3255308B2 (ja) * | 1992-12-18 | 2002-02-12 | ソニー株式会社 | データ再生装置 |
US5485507A (en) * | 1993-08-20 | 1996-01-16 | Gateway Technologies, Inc. | Integrated commissary system |
-
1995
- 1995-06-29 KR KR1019960701170A patent/KR100373942B1/ko not_active IP Right Cessation
- 1995-06-29 DE DE69515616T patent/DE69515616T2/de not_active Expired - Lifetime
- 1995-06-29 ES ES95921952T patent/ES2147610T3/es not_active Expired - Lifetime
- 1995-06-29 EP EP95921952A patent/EP0717909B1/en not_active Expired - Lifetime
- 1995-06-29 WO PCT/IB1995/000531 patent/WO1996001540A2/en active IP Right Grant
- 1995-06-29 AT AT95921952T patent/ATE190794T1/de active
- 1995-06-29 JP JP50376696A patent/JP3773258B2/ja not_active Expired - Lifetime
- 1995-06-30 US US08/498,291 patent/US5689507A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003502947A (ja) * | 1999-06-18 | 2003-01-21 | テレフォンアクチーボラゲット エル エム エリクソン(パブル) | リアルタイムパケット通信におけるタイムスタンプの推定 |
JP2013038812A (ja) * | 2006-01-04 | 2013-02-21 | Core Wireless Licensing S A R L | 映像符号化器と映像復号器との状態整合性を検証する方法 |
Also Published As
Publication number | Publication date |
---|---|
KR960705456A (ko) | 1996-10-09 |
DE69515616T2 (de) | 2000-10-05 |
WO1996001540A2 (en) | 1996-01-18 |
DE69515616D1 (de) | 2000-04-20 |
KR100373942B1 (ko) | 2003-05-12 |
ATE190794T1 (de) | 2000-04-15 |
WO1996001540A3 (en) | 1996-02-22 |
EP0717909A1 (en) | 1996-06-26 |
US5689507A (en) | 1997-11-18 |
ES2147610T3 (es) | 2000-09-16 |
JP3773258B2 (ja) | 2006-05-10 |
EP0717909B1 (en) | 2000-03-15 |
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