CN1273746A - 数据流的代码转换 - Google Patents
数据流的代码转换 Download PDFInfo
- Publication number
- CN1273746A CN1273746A CN99801059A CN99801059A CN1273746A CN 1273746 A CN1273746 A CN 1273746A CN 99801059 A CN99801059 A CN 99801059A CN 99801059 A CN99801059 A CN 99801059A CN 1273746 A CN1273746 A CN 1273746A
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- China
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- data
- code conversion
- input buffer
- code
- decoder input
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- 238000006243 chemical reaction Methods 0.000 claims description 239
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- 238000004590 computer program Methods 0.000 claims 2
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- 238000011002 quantification Methods 0.000 description 19
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- 230000002349 favourable effect Effects 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- 101000773153 Homo sapiens Thioredoxin-like protein 4A Proteins 0.000 description 5
- 102100030272 Thioredoxin-like protein 4A Human genes 0.000 description 5
- 230000006870 function Effects 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image 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
-
- 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
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
- H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
-
- 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
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
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- 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
-
- 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]
- H04N21/20—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
- H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving management of server-side video buffer
-
- 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
-
- 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
- H04N21/234354—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 altering signal-to-noise ratio parameters, e.g. requantization
-
- 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
- H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
-
- 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
- H04N21/2401—Monitoring of the client buffer
-
- 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
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98401053 | 1998-04-30 | ||
EP98401053.8 | 1998-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1273746A true CN1273746A (zh) | 2000-11-15 |
CN1175671C CN1175671C (zh) | 2004-11-10 |
Family
ID=8235355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998010596A Expired - Fee Related CN1175671C (zh) | 1998-04-30 | 1999-04-22 | 对数据流进行代码转换的代码转换器和方法 |
Country Status (6)
Country | Link |
---|---|
US (3) | US6201844B1 (zh) |
EP (1) | EP0993644A2 (zh) |
JP (1) | JP2002508148A (zh) |
KR (1) | KR100591487B1 (zh) |
CN (1) | CN1175671C (zh) |
WO (1) | WO1999057673A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100428791C (zh) * | 2002-11-27 | 2008-10-22 | 腾研科技股份有限公司 | Mpeg数据格式转换方法及使用该方法的解码系统 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5715009A (en) | 1994-03-29 | 1998-02-03 | Sony Corporation | Picture signal transmitting method and apparatus |
CA2265089C (en) | 1998-03-10 | 2007-07-10 | Sony Corporation | Transcoding system using encoding history information |
EP1069779B1 (en) | 1999-02-09 | 2016-04-13 | Sony Corporation | Coding system and its method |
US6498814B1 (en) * | 1999-07-20 | 2002-12-24 | Koninklijke Philips Electronics N.V. | Drift-free transcoder and related method |
US6532593B1 (en) * | 1999-08-17 | 2003-03-11 | General Instrument Corporation | Transcoding for consumer set-top storage application |
JP3694888B2 (ja) * | 1999-12-03 | 2005-09-14 | ソニー株式会社 | 復号装置および方法、符号化装置および方法、情報処理装置および方法、並びに記録媒体 |
JP2001160967A (ja) * | 1999-12-03 | 2001-06-12 | Nec Corp | 画像符号化方式変換装置及び符号化レート変換装置 |
JP2003526237A (ja) * | 2000-02-04 | 2003-09-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ビットレートトランスコーディング応用のための量子化方法 |
JP2001251616A (ja) * | 2000-03-02 | 2001-09-14 | Media Glue Corp | 多重化音響・動画圧縮符号化信号変換方法、装置および変換プログラムを記録した媒体 |
DE60143927D1 (de) | 2000-03-13 | 2011-03-10 | Sony Corp | Verfahren und vorrichtung zur erzeugung von kompakten metadateien für transcodierungshinweise |
JP2001339460A (ja) * | 2000-05-26 | 2001-12-07 | Matsushita Electric Ind Co Ltd | デジタル送受信装置 |
US6898241B2 (en) * | 2001-05-11 | 2005-05-24 | Mitsubishi Electric Research Labs, Inc. | Video transcoder with up-sampling |
US20030048808A1 (en) | 2001-09-12 | 2003-03-13 | Stahl Thomas Anthony | Method and apparatus for changing received streaming content channels |
US7356079B2 (en) | 2001-11-21 | 2008-04-08 | Vixs Systems Inc. | Method and system for rate control during video transcoding |
US20040141732A1 (en) * | 2003-01-22 | 2004-07-22 | Kenji Sugiyama | Moving-picture code amount control method, moving-picture recording method, moving-picture code amount control apparatus and moving-picture recording apparatus |
JP4196726B2 (ja) * | 2003-05-14 | 2008-12-17 | ソニー株式会社 | 画像処理装置および画像処理方法、記録媒体、並びに、プログラム |
US20060109900A1 (en) * | 2004-11-23 | 2006-05-25 | Bo Shen | Image data transcoding |
US7548727B2 (en) * | 2005-10-26 | 2009-06-16 | Broadcom Corporation | Method and system for an efficient implementation of the Bluetooth® subband codec (SBC) |
US8443442B2 (en) * | 2006-01-31 | 2013-05-14 | The Penn State Research Foundation | Signature-free buffer overflow attack blocker |
JP2007208874A (ja) * | 2006-02-06 | 2007-08-16 | Nec Electronics Corp | 変化点検出装置及び変化点検出方法、並びに記録装置及び記録再生装置 |
US7895629B1 (en) * | 2007-11-07 | 2011-02-22 | At&T Mobility Ii Llc | Video service buffer management in a mobile rate control enabled network |
US8483272B2 (en) * | 2010-09-24 | 2013-07-09 | Intel Corporation | System and method for frame level bit rate control without pre-analysis |
KR101569510B1 (ko) | 2013-10-22 | 2015-11-17 | 네이버 주식회사 | 적응적 실시간 트랜스코딩 방법 및 이를 위한 스트리밍 서버 |
US10165272B2 (en) * | 2015-01-29 | 2018-12-25 | Arris Enterprises Llc | Picture-level QP rate control performance improvements for HEVC encoding |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4782326A (en) * | 1987-10-01 | 1988-11-01 | Motorola, Inc. | ADPCM transcoder data interface circuit having an encoded enable signal |
JPH08508378A (ja) * | 1993-03-26 | 1996-09-03 | ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | トランスコーダ |
FR2711435B1 (fr) * | 1993-10-20 | 1995-12-29 | Cit Alcatel | Dispositif pour justifier à intervalles réguliers un train numérique. |
US5534937A (en) * | 1994-04-14 | 1996-07-09 | Motorola, Inc. | Minimum-delay jitter smoothing device and method for packet video communications |
DE69607696T2 (de) * | 1995-02-15 | 2000-10-19 | Koninkl Philips Electronics Nv | Vorrichtung und verfahren zur transkodierung von videosignalen |
US5870146A (en) * | 1997-01-21 | 1999-02-09 | Multilink, Incorporated | Device and method for digital video transcoding |
-
1999
- 1999-04-22 JP JP55511999A patent/JP2002508148A/ja not_active Ceased
- 1999-04-22 KR KR1019997012405A patent/KR100591487B1/ko not_active IP Right Cessation
- 1999-04-22 WO PCT/IB1999/000731 patent/WO1999057673A2/en not_active Application Discontinuation
- 1999-04-22 EP EP99913526A patent/EP0993644A2/en not_active Withdrawn
- 1999-04-22 CN CNB998010596A patent/CN1175671C/zh not_active Expired - Fee Related
- 1999-04-27 US US09/300,804 patent/US6201844B1/en not_active Expired - Lifetime
-
2000
- 2000-12-05 US US09/730,432 patent/US20010000138A1/en not_active Abandoned
-
2001
- 2001-01-10 US US09/757,786 patent/US6477211B2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100428791C (zh) * | 2002-11-27 | 2008-10-22 | 腾研科技股份有限公司 | Mpeg数据格式转换方法及使用该方法的解码系统 |
Also Published As
Publication number | Publication date |
---|---|
KR20010014281A (ko) | 2001-02-26 |
WO1999057673A2 (en) | 1999-11-11 |
JP2002508148A (ja) | 2002-03-12 |
CN1175671C (zh) | 2004-11-10 |
US20010000138A1 (en) | 2001-04-05 |
US6201844B1 (en) | 2001-03-13 |
EP0993644A2 (en) | 2000-04-19 |
US6477211B2 (en) | 2002-11-05 |
US20010001615A1 (en) | 2001-05-24 |
KR100591487B1 (ko) | 2006-06-21 |
WO1999057673A3 (en) | 2000-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONICS 503 CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20090904 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090904 Address after: British Channel Islands Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: PENDRAGON WIRELESS CO., LTD. Free format text: FORMER OWNER: IPG PHOTONICS 503 CORP. Effective date: 20130104 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130104 Address after: Washington State Patentee after: Pendragon wireless limited liability company Address before: British Channel Islands Patentee before: Koninkl Philips Electronics NV |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041110 Termination date: 20140422 |