BR9708223B1 - sistemas de codificação e de decodificação. - Google Patents

sistemas de codificação e de decodificação.

Info

Publication number
BR9708223B1
BR9708223B1 BRPI9708223-6A BR9708223A BR9708223B1 BR 9708223 B1 BR9708223 B1 BR 9708223B1 BR 9708223 A BR9708223 A BR 9708223A BR 9708223 B1 BR9708223 B1 BR 9708223B1
Authority
BR
Brazil
Prior art keywords
coding
decoding systems
decoding
systems
Prior art date
Application number
BRPI9708223-6A
Other languages
English (en)
Other versions
BR9708223A (pt
Inventor
Yoshihiro Kikuchi
Toshiaki Watanabe
Kenshi Dachiku
Takeshi Chujoh
Takeshi Nagai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP24388396A external-priority patent/JP3597647B2/ja
Application filed filed Critical
Publication of BR9708223A publication Critical patent/BR9708223A/pt
Publication of BR9708223B1 publication Critical patent/BR9708223B1/pt

Links

Classifications

    • 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
    • H04N7/56—Synchronising systems therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0075—Transmission of coding parameters to receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
    • H04N19/68—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience involving the insertion of resynchronisation markers into the bitstream
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
    • 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
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2404—Monitoring of server processing errors or hardware failure
    • 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
    • H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
    • 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
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
BRPI9708223-6A 1996-03-18 1997-03-18 sistemas de codificação e de decodificação. BR9708223B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP6145096 1996-03-18
JP16308296 1996-06-24
JP23236296 1996-09-02
JP24388396A JP3597647B2 (ja) 1995-09-29 1996-09-13 符号化方法及び装置
PCT/JP1997/000864 WO1997035401A1 (en) 1996-03-18 1997-03-18 Encoder and decoder

Publications (2)

Publication Number Publication Date
BR9708223A BR9708223A (pt) 1999-07-27
BR9708223B1 true BR9708223B1 (pt) 2010-07-27

Family

ID=27464039

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI9715336-2A BR9715336B1 (pt) 1996-03-18 1997-03-18 métodos de codificação e decodificadores.
BRPI9708223-6A BR9708223B1 (pt) 1996-03-18 1997-03-18 sistemas de codificação e de decodificação.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BRPI9715336-2A BR9715336B1 (pt) 1996-03-18 1997-03-18 métodos de codificação e decodificadores.

Country Status (7)

Country Link
EP (12) EP0886398A4 (pt)
KR (22) KR20000064643A (pt)
CN (2) CN1271815C (pt)
AU (1) AU1942797A (pt)
BR (2) BR9715336B1 (pt)
CA (1) CA2249540C (pt)
WO (1) WO1997035401A1 (pt)

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Publication number Priority date Publication date Assignee Title
EP1178620A1 (fr) * 2000-07-31 2002-02-06 Koninklijke Philips Electronics N.V. Procédé et systeme pour la synchronisation de trame
KR100884134B1 (ko) 2000-08-15 2009-02-17 마이크로소프트 코포레이션 미디어 샘플을 타임코딩하기 위한 방법
US20020089602A1 (en) 2000-10-18 2002-07-11 Sullivan Gary J. Compressed timing indicators for media samples
EP1261204A2 (en) * 2001-03-29 2002-11-27 Matsushita Electric Industrial Co., Ltd. Method and apparatus for data reproduction
US9019899B2 (en) * 2001-09-27 2015-04-28 Alcatel Lucent Method and apparatus for synchronous communication of frames of digital information
ATE348484T1 (de) 2002-01-22 2007-01-15 Microsoft Corp Verfahren zur verhinderung von startkode- emulation und stopfdaten
US7149247B2 (en) 2002-01-22 2006-12-12 Microsoft Corporation Methods and systems for encoding and decoding video data to enable random access and splicing
JP4448334B2 (ja) 2002-04-19 2010-04-07 マイクロソフト コーポレーション バイト整列されていない（ｎｏｎ−ｂｙｔｅ−ａｌｉｇｎｅｄｐｏｓｉｔｉｏｎｓ）のポジション、および／またはビット・シフトされたポジション（ｂｉｔ−ｓｉｆｔｅｄｐｏｓｉｔｉｏｎｓ）を含む位置におけるスタート・コード・エミュレーションを防ぐための方法およびシステム
US7839930B2 (en) 2003-11-13 2010-11-23 Microsoft Corporation Signaling valid entry points in a video stream
US7924921B2 (en) 2003-09-07 2011-04-12 Microsoft Corporation Signaling coding and display options in entry point headers
US7852919B2 (en) 2003-09-07 2010-12-14 Microsoft Corporation Field start code for entry point frames with predicted first field
US8213779B2 (en) 2003-09-07 2012-07-03 Microsoft Corporation Trick mode elementary stream and receiver system
US7609762B2 (en) 2003-09-07 2009-10-27 Microsoft Corporation Signaling for entry point frames with predicted first field
KR101044935B1 (ko) 2004-01-14 2011-06-28 삼성전자주식회사 전송 에러가 발생한 지점을 탐지하여 바르게 디코딩된데이터를 복원하는 디코딩 방법 및 그 디코딩 장치
CN100390697C (zh) * 2004-01-14 2008-05-28 凌阳科技股份有限公司 以检查比特对处理器指令进行加密保护的装置及方法
CN100353274C (zh) * 2004-01-14 2007-12-05 凌阳科技股份有限公司 以保护位元码对—程序进行加密保护的装置
KR100987777B1 (ko) * 2004-02-05 2010-10-13 삼성전자주식회사 에러의 전파를 방지하고 병렬 처리가 가능한 디코딩 방법및 그 디코딩 장치
CN101807926B (zh) * 2010-01-21 2013-01-23 上海电力学院 低功耗soc测试数据压缩编码方法
JP2012073678A (ja) * 2010-09-27 2012-04-12 Fujitsu Ltd 擬似エラー発生装置
US10271069B2 (en) 2016-08-31 2019-04-23 Microsoft Technology Licensing, Llc Selective use of start code emulation prevention
KR102198174B1 (ko) 2020-08-31 2021-01-04 정재우 용접용 토치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0232437B1 (en) * 1985-12-04 1990-06-13 International Business Machines Corporation Multiplex interface for a communication controller
JPH03198432A (ja) * 1989-12-26 1991-08-29 Sharp Corp 符号・復号器
JPH03250935A (ja) * 1990-02-28 1991-11-08 Victor Co Of Japan Ltd 可変長データ伝送方式及びその送受信装置
JP3341781B2 (ja) * 1992-12-15 2002-11-05 ソニー株式会社 画像復号化装置および画像符号化装置
JPH06343065A (ja) * 1993-02-26 1994-12-13 Sony Corp デコーディングシステム、デマルチプレクス方法および信号処理方法
US5396497A (en) * 1993-02-26 1995-03-07 Sony Corporation Synchronization of audio/video information
JP2862064B2 (ja) * 1993-10-29 1999-02-24 三菱電機株式会社 データ復号装置及びデータ受信装置及びデータ受信方法

Also Published As

Publication number Publication date
EP1755264A2 (en) 2007-02-21
CA2249540C (en) 2006-02-21
EP1755262A3 (en) 2008-04-02
EP0886398A1 (en) 1998-12-23
KR20060121995A (ko) 2006-11-29
KR20070086731A (ko) 2007-08-27
KR20070086734A (ko) 2007-08-27
EP1755258A3 (en) 2008-04-02
EP1755259A2 (en) 2007-02-21
EP1755263A2 (en) 2007-02-21
BR9708223A (pt) 1999-07-27
EP1755261A2 (en) 2007-02-21
EP1755261A3 (en) 2008-04-02
KR20060121994A (ko) 2006-11-29
EP1755257A3 (en) 2008-04-02
KR100841972B1 (ko) 2008-06-30
KR100877951B1 (ko) 2009-01-12
KR20070086681A (ko) 2007-08-27
CA2249540A1 (en) 1997-09-25
EP1755259A3 (en) 2008-04-02
CN1271815C (zh) 2006-08-23
CN1216653A (zh) 1999-05-12
KR20070086729A (ko) 2007-08-27
KR20070086730A (ko) 2007-08-27
EP1755266A3 (en) 2008-04-02
KR100877948B1 (ko) 2009-01-12
EP1755266A2 (en) 2007-02-21
EP1755260A2 (en) 2007-02-21
KR20070086733A (ko) 2007-08-27
EP1755264A3 (en) 2008-04-02
EP2211495A1 (en) 2010-07-28
KR20070086732A (ko) 2007-08-27
KR100877949B1 (ko) 2009-01-12
EP1755263A3 (en) 2008-04-02
KR100877953B1 (ko) 2009-01-12
EP0886398A4 (en) 2001-01-17
EP1755257A2 (en) 2007-02-21
KR20070086685A (ko) 2007-08-27
KR20070086728A (ko) 2007-08-27
EP1755265A2 (en) 2007-02-21
KR20070086682A (ko) 2007-08-27
KR100877950B1 (ko) 2009-01-12
KR100685771B1 (ko) 2007-02-26
EP1755260A3 (en) 2008-04-02
KR20070086678A (ko) 2007-08-27
EP1755262A2 (en) 2007-02-21
KR100877952B1 (ko) 2009-01-12
KR100877944B1 (ko) 2009-01-12
KR100841973B1 (ko) 2008-06-30
EP1755258A2 (en) 2007-02-21
BR9715336B1 (pt) 2011-03-09
KR20070086683A (ko) 2007-08-27
CN1622505A (zh) 2005-06-01
KR100841976B1 (ko) 2008-06-30
KR20070086742A (ko) 2007-08-27
KR20070086679A (ko) 2007-08-27
KR20060095869A (ko) 2006-09-04
EP1755265A3 (en) 2008-04-02
KR100773304B1 (ko) 2007-11-06
KR20070086680A (ko) 2007-08-27
KR20070086740A (ko) 2007-08-27
KR100841975B1 (ko) 2008-06-30
AU1942797A (en) 1997-10-10
KR100841974B1 (ko) 2008-06-30
KR20000064643A (ko) 2000-11-06
WO1997035401A1 (en) 1997-09-25
CN100593294C (zh) 2010-03-03
KR100685772B1 (ko) 2007-02-26
KR20070086684A (ko) 2007-08-27
KR20070086741A (ko) 2007-08-27

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO PARA INT. CL. 2009.01 : H04J 3/02; H03M 7/40

Ipc: H04L 7/08 (2009.01), H04N 7/64 (2009.01)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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