EP1454250A2 - System und verfahren zum modifizieren eines videostroms auf der basis einer client- oder netzwerkumgebung - Google Patents

System und verfahren zum modifizieren eines videostroms auf der basis einer client- oder netzwerkumgebung

Info

Publication number
EP1454250A2
EP1454250A2 EP02797305A EP02797305A EP1454250A2 EP 1454250 A2 EP1454250 A2 EP 1454250A2 EP 02797305 A EP02797305 A EP 02797305A EP 02797305 A EP02797305 A EP 02797305A EP 1454250 A2 EP1454250 A2 EP 1454250A2
Authority
EP
European Patent Office
Prior art keywords
computer
video stream
network
obtaining
modifying
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.)
Ceased
Application number
EP02797305A
Other languages
English (en)
French (fr)
Other versions
EP1454250A4 (de
Inventor
Jens Cahnbley
John William Richardson
Original Assignee
Thomson Licensing SAS
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
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of EP1454250A2 publication Critical patent/EP1454250A2/de
Publication of EP1454250A4 publication Critical patent/EP1454250A4/de
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4424—Monitoring of the internal components or processes of the client device, e.g. CPU or memory load, processing speed, timer, counter or percentage of the hard disk space used
    • 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
    • H04N21/6582—Data stored in the client, e.g. viewing habits, hardware capabilities, credit card number
EP02797305A 2001-12-15 2002-12-13 System und verfahren zum modifizieren eines videostroms auf der basis einer client- oder netzwerkumgebung Ceased EP1454250A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34167201P 2001-12-15 2001-12-15
US341672P 2001-12-15
PCT/US2002/039919 WO2003053040A2 (en) 2001-12-15 2002-12-13 System and method for modifying a video stream based on a client or network environment

Publications (2)

Publication Number Publication Date
EP1454250A2 true EP1454250A2 (de) 2004-09-08
EP1454250A4 EP1454250A4 (de) 2010-08-25

Family

ID=23338551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02797305A Ceased EP1454250A4 (de) 2001-12-15 2002-12-13 System und verfahren zum modifizieren eines videostroms auf der basis einer client- oder netzwerkumgebung

Country Status (7)

Country Link
EP (1) EP1454250A4 (de)
JP (1) JP2005513876A (de)
KR (1) KR101080237B1 (de)
CN (1) CN1316398C (de)
AU (1) AU2002361665A1 (de)
MX (1) MXPA04005740A (de)
WO (1) WO2003053040A2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045192A1 (en) * 2010-10-05 2012-04-12 Intel Corporation Method and apparatus for dynamically adjusting video quality

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4789401B2 (ja) 2003-06-25 2011-10-12 トヨタ自動車株式会社 コンテンツ配信システム
KR100526183B1 (ko) 2003-07-15 2005-11-03 삼성전자주식회사 모바일 애드 혹 네트워크 환경에서 효율적인 데이터송수신을 위한 네트워크 장치 및 데이터 전송 방법
US20070024705A1 (en) * 2005-08-01 2007-02-01 Richter Roger K Systems and methods for video stream selection
US9209934B2 (en) 2006-06-09 2015-12-08 Qualcomm Incorporated Enhanced block-request streaming using cooperative parallel HTTP and forward error correction
US9432433B2 (en) 2006-06-09 2016-08-30 Qualcomm Incorporated Enhanced block-request streaming system using signaling or block creation
CN100588249C (zh) * 2006-07-27 2010-02-03 腾讯科技（深圳）有限公司 调节视频质量的方法、系统及终端
CN101282141B (zh) * 2007-04-05 2012-06-06 华为技术有限公司 一种传输数据和接收数据的方法、装置和系统
JP2009152952A (ja) * 2007-12-21 2009-07-09 Nec Corp 配信システム、配信方法及びプログラム
CN101215118B (zh) * 2008-01-14 2010-06-09 张建荣 共聚型聚羧酸类减水剂及其制备方法
CN101365125B (zh) 2008-09-27 2012-03-21 腾讯科技（深圳）有限公司 多路视频通信方法与系统
CN101552913B (zh) * 2009-05-12 2011-07-06 腾讯科技（深圳）有限公司 多路视频通讯系统及处理方法
US9917874B2 (en) 2009-09-22 2018-03-13 Qualcomm Incorporated Enhanced block-request streaming using block partitioning or request controls for improved client-side handling
US9319448B2 (en) * 2010-08-10 2016-04-19 Qualcomm Incorporated Trick modes for network streaming of coded multimedia data
KR101744355B1 (ko) 2011-01-19 2017-06-08 삼성전자주식회사 상호 계층 최적화를 이용한 멀티미디어 데이터 패킷을 송신하는 방법 및 장치
WO2012154157A1 (en) * 2011-05-06 2012-11-15 Google Inc. Apparatus and method for dynamically changing encoding scheme based on resource utilization
JP5660983B2 (ja) 2011-06-28 2015-01-28 トヨタ自動車株式会社 コンテンツ配信システム
CN103313095A (zh) * 2012-03-16 2013-09-18 腾讯科技（深圳）有限公司 视频传输方法、播放方法、终端和服务器
WO2014122693A1 (ja) * 2013-02-08 2014-08-14 三菱電機株式会社 クライアント装置、サーバ装置、画面伝送システム
US20140347376A1 (en) * 2013-05-24 2014-11-27 Nvidia Corporation Graphics server and method for managing streaming parameters
US20150117516A1 (en) * 2013-10-30 2015-04-30 Vered Bar Bracha Dynamic video encoding based on channel quality
CN104935971B (zh) * 2015-06-02 2018-08-07 阔地教育科技有限公司 一种在线课堂中的视频传输动态调整方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997022201A2 (en) * 1995-12-12 1997-06-19 The Board Of Trustees Of The University Of Illinois Method and system for transmitting real-time video
WO1998043177A1 (en) * 1997-03-25 1998-10-01 Intel Corporation System for dynamically transcoding data transmitted between computers
WO2001059706A1 (en) * 2000-02-10 2001-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for intelligent transcoding of multimedia data

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100345497B1 (ko) * 1994-06-07 2002-10-04 유니시스 코포레이션 동기화 그룹을 사용하는 멀티-캐스트 디지탈 비디오 데이터서버
US6233017B1 (en) * 1996-09-16 2001-05-15 Microsoft Corporation Multimedia compression system with adaptive block sizes
JPH10126771A (ja) * 1996-10-15 1998-05-15 Toshiba Corp 画像データ転送システムにおける画像データ送出レート制御方法および画像データ転送方法
US6006241A (en) * 1997-03-14 1999-12-21 Microsoft Corporation Production of a video stream with synchronized annotations over a computer network
US6192032B1 (en) * 1998-01-02 2001-02-20 International Business Machines Corporation Rate attenuation systems, methods and computer program products for reducing low priority video frame packets transmitted over a network
JPH11266229A (ja) * 1998-03-18 1999-09-28 Matsushita Electric Ind Co Ltd スペクトラム拡散通信方式によるデータ伝送装置
JP2955561B1 (ja) * 1998-05-29 1999-10-04 株式会社ディジタル・ビジョン・ラボラトリーズ ストリーム通信システム及びストリーム転送制御方法
SG77650A1 (en) * 1998-09-07 2001-01-16 Victor Company Of Japan A scalable delivery scheme of compressed video
JP2000228676A (ja) * 1998-11-30 2000-08-15 Matsushita Electric Ind Co Ltd データ送信方法
US6529475B1 (en) * 1998-12-16 2003-03-04 Nortel Networks Limited Monitor for the control of multimedia services in networks
JP2000270330A (ja) * 1999-03-18 2000-09-29 Fujitsu Ltd 映像配信システム及び映像配信方法
JP2000295597A (ja) * 1999-04-09 2000-10-20 Oki Electric Ind Co Ltd メディアデータ受信および送信装置
JP2001025013A (ja) * 1999-07-12 2001-01-26 Matsushita Electric Ind Co Ltd 送受信方法及びその装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997022201A2 (en) * 1995-12-12 1997-06-19 The Board Of Trustees Of The University Of Illinois Method and system for transmitting real-time video
WO1998043177A1 (en) * 1997-03-25 1998-10-01 Intel Corporation System for dynamically transcoding data transmitted between computers
WO2001059706A1 (en) * 2000-02-10 2001-08-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for intelligent transcoding of multimedia data

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03053040A2 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045192A1 (en) * 2010-10-05 2012-04-12 Intel Corporation Method and apparatus for dynamically adjusting video quality

Also Published As

Publication number Publication date
KR101080237B1 (ko) 2011-11-08
KR20040074997A (ko) 2004-08-26
MXPA04005740A (es) 2004-12-06
AU2002361665A1 (en) 2003-06-30
WO2003053040A3 (en) 2003-12-18
AU2002361665A8 (en) 2003-06-30
EP1454250A4 (de) 2010-08-25
JP2005513876A (ja) 2005-05-12
WO2003053040A2 (en) 2003-06-26
CN1316398C (zh) 2007-05-16
CN1605075A (zh) 2005-04-06

Similar Documents

Publication Publication Date Title
US8352991B2 (en) System and method for modifying a video stream based on a client or network environment
WO2003053040A2 (en) System and method for modifying a video stream based on a client or network environment
US8255551B2 (en) Adaptive bitrate management for streaming media over packet networks
US9191664B2 (en) Adaptive bitrate management for streaming media over packet networks
JP3814614B2 (ja) マルチメディア・ストリーミング環境におけるサーバベースのレート制御
KR101449710B1 (ko) 데이터 통신시스템, 데이터 송신장치, 데이터 송신방법 및패킷 사이즈 및 용장도 결정방법
EP2719144B1 (de) Adaptive on-demand-bitratenverwaltung zum streaming von medien über paketnetze
CN1886968B (zh) 用于准备发送数据的设备和方法以及相应的产品
CA2457193C (en) Data communications method and system for transmitting multiple data streams calculating available bandwidth per stream and bit stream trade-off
WO2004017638A1 (en) Domestic multimedia transmission method and system
WO2012161652A1 (en) Methods for transmitting and receiving a digital signal, transmitter and receiver
KR20050091054A (ko) 콘텐츠의 스트림 비트율을 조정하기 위한 디바이스 및프로세스 그리고 관련 제품
US20090268730A1 (en) Data transmitting apparatus and method and program for controlling transmission rate
EP1533969A1 (de) Berichte von Verluste für paketvermittelte Streaming-Dienste mit Loss-RLE-Report Blocks
CN110881018B (zh) 媒体流的实时接收方法及客户端
US20150063103A1 (en) Bandwidth-dependent compressor for robust header compression and method of use thereof
JP2001186187A (ja) データ通信装置及び通信制御方法

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040603

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THOMSON LICENSING

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: THOMSON LICENSING

A4 Supplementary search report drawn up and despatched

Effective date: 20100728

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 7/24 20060101ALI20100722BHEP

Ipc: H04N 11/02 20060101ALI20100722BHEP

Ipc: H04N 7/14 20060101ALI20100722BHEP

Ipc: H04N 7/12 20060101ALI20100722BHEP

Ipc: H04L 12/26 20060101ALI20100722BHEP

Ipc: H04L 1/00 20060101ALI20100722BHEP

Ipc: H04J 3/14 20060101ALI20100722BHEP

Ipc: H04J 1/16 20060101ALI20100722BHEP

Ipc: G08C 15/00 20060101ALI20100722BHEP

Ipc: G01R 31/08 20060101ALI20100722BHEP

Ipc: G06F 11/00 20060101ALI20100722BHEP

Ipc: G06F 15/16 20060101AFI20040716BHEP

17Q First examination report despatched

Effective date: 20110112

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20121218