GB2349289B - Method and apparatus for performing a seamless switch between two digital video signals - Google Patents

Method and apparatus for performing a seamless switch between two digital video signals

Info

Publication number
GB2349289B
GB2349289B GB0000446A GB0000446A GB2349289B GB 2349289 B GB2349289 B GB 2349289B GB 0000446 A GB0000446 A GB 0000446A GB 0000446 A GB0000446 A GB 0000446A GB 2349289 B GB2349289 B GB 2349289B
Authority
GB
United Kingdom
Prior art keywords
digital video
video signals
seamless switch
seamless
switch
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.)
Expired - Lifetime
Application number
GB0000446A
Other languages
English (en)
Other versions
GB2349289A8 (en
GB0000446D0 (en
GB2349289A (en
Inventor
Michael J Freeman
Gregory W Harper
Frank P Deo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACTV Inc
Original Assignee
ACTV Inc
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 ACTV Inc filed Critical ACTV Inc
Priority to GB0103147A priority Critical patent/GB2356517B/en
Priority to GB0103149A priority patent/GB2356518B/en
Priority to GB0103146A priority patent/GB2356516B/en
Publication of GB0000446D0 publication Critical patent/GB0000446D0/en
Publication of GB2349289A publication Critical patent/GB2349289A/en
Publication of GB2349289A8 publication Critical patent/GB2349289A8/en
Application granted granted Critical
Publication of GB2349289B publication Critical patent/GB2349289B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H04N5/45—Picture in picture, e.g. displaying simultaneously another television channel in a region of the screen
    • 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
    • H04N21/233—Processing of audio elementary streams
    • 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
    • H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
    • 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
    • H04N21/236—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
    • H04N21/2365—Multiplexing of several video streams
    • 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
    • H04N21/2668—Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles
    • 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
    • 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
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • 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
    • 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
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
    • H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
    • 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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • 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
    • H04N21/4347—Demultiplexing of several video streams
    • 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
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • 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
    • H04N21/439—Processing of audio elementary streams
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4532—Management of client data or end-user data involving end-user characteristics, e.g. viewer profile, preferences
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • 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
    • H04N21/6587—Control parameters, e.g. trick play commands, viewpoint selection
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/812—Monomedia components thereof involving advertisement data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • H04N7/104—Switchers or splitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB0000446A 1998-09-16 1998-12-16 Method and apparatus for performing a seamless switch between two digital video signals Expired - Lifetime GB2349289B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0103147A GB2356517B (en) 1998-09-16 1998-12-16 A receiver for simultaneously displaying first and second video signals
GB0103149A GB2356518B (en) 1998-09-16 1998-12-16 A system for switching from a first group of signals to a second group of signals
GB0103146A GB2356516B (en) 1998-09-16 1998-12-16 A reception unit for performing seamless switches between video signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15406998A 1998-09-16 1998-09-16
PCT/US1998/026864 WO2000016544A2 (en) 1998-09-16 1998-12-16 Compressed digital-data seamless video switching system

Publications (4)

Publication Number Publication Date
GB0000446D0 GB0000446D0 (en) 2000-03-01
GB2349289A GB2349289A (en) 2000-10-25
GB2349289A8 GB2349289A8 (en) 2001-02-14
GB2349289B true GB2349289B (en) 2001-09-12

Family

ID=22549873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0000446A Expired - Lifetime GB2349289B (en) 1998-09-16 1998-12-16 Method and apparatus for performing a seamless switch between two digital video signals

Country Status (12)

Country Link
EP (1) EP1273175A2 (zh)
JP (1) JP2003523103A (zh)
KR (4) KR20040007730A (zh)
CN (4) CN100380962C (zh)
AU (1) AU774028B2 (zh)
BR (1) BR9816020A (zh)
CA (1) CA2343733A1 (zh)
GB (1) GB2349289B (zh)
HK (4) HK1038459A1 (zh)
IL (1) IL142033A0 (zh)
MX (1) MXPA01000974A (zh)
WO (1) WO2000016544A2 (zh)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020129374A1 (en) * 1991-11-25 2002-09-12 Michael J. Freeman Compressed digital-data seamless video switching system
EP1026897A3 (en) * 1997-03-11 2000-08-30 Actv, Inc. A digital interactive system for providing full interactivity with live programming events
US7068724B1 (en) 1999-10-20 2006-06-27 Prime Research Alliance E., Inc. Method and apparatus for inserting digital media advertisements into statistical multiplexed streams
US9451310B2 (en) 1999-09-21 2016-09-20 Quantum Stream Inc. Content distribution system and method
US7831512B2 (en) 1999-09-21 2010-11-09 Quantumstream Systems, Inc. Content distribution system and method
US7196722B2 (en) 2000-05-18 2007-03-27 Imove, Inc. Multiple camera video system which displays selected images
CN1324894C (zh) * 2000-05-24 2007-07-04 周学军 电视信息再生编码处理方法及装置
JP4552280B2 (ja) 2000-06-14 2010-09-29 ソニー株式会社 テレビ受信システム、選局装置および表示装置
US7630721B2 (en) 2000-06-27 2009-12-08 Ortiz & Associates Consulting, Llc Systems, methods and apparatuses for brokering data between wireless devices and data rendering devices
US7812856B2 (en) 2000-10-26 2010-10-12 Front Row Technologies, Llc Providing multiple perspectives of a venue activity to electronic wireless hand held devices
US6714264B1 (en) * 2000-08-31 2004-03-30 Matsushita Electric Industrial Co., Ltd. Digital television channel surfing system
CA2359854C (en) * 2000-11-28 2004-09-07 At&T Corp. Providing simulated broadcast services over a limited bandwidth channel
KR100896725B1 (ko) * 2001-02-21 2009-05-11 유나이티드 비디오 프로퍼티즈, 인크. 복수의 프로그램 가이드 제공 방법, 프로그램 버퍼링 방법 및 시스템
US20020191116A1 (en) * 2001-04-24 2002-12-19 Damien Kessler System and data format for providing seamless stream switching in a digital video recorder
US7174384B2 (en) 2001-07-31 2007-02-06 Dinastech Ipr Limited Method for delivering large amounts of data with interactivity in an on-demand system
US7574728B2 (en) 2001-07-31 2009-08-11 Dinastech Ipr Limited System for delivering data over a network
FR2831758B1 (fr) 2001-10-30 2004-01-23 Thomson Multimedia Digital Fra Dispositif de reception de signaux video et procede de commande d'un tel dispositif
US20030196206A1 (en) 2002-04-15 2003-10-16 Shusman Chad W. Method and apparatus for internet-based interactive programming
US20040210947A1 (en) 2003-04-15 2004-10-21 Shusman Chad W. Method and apparatus for interactive video on demand
EP1588548B1 (en) 2003-01-28 2010-10-13 Thomson Licensing Robust mode staggercasting
US8027381B2 (en) 2003-01-28 2011-09-27 Thomson Licensing Robust mode staggercasting user controlled switching modes
US7366462B2 (en) * 2003-10-24 2008-04-29 Qualcomm Incorporated Method and apparatus for seamlessly switching reception between multimedia streams in a wireless communication system
US8566469B2 (en) * 2003-12-24 2013-10-22 Intel Corporation Method and system for predicting and streaming content utilizing multiple stream capacity
JP4439514B2 (ja) * 2004-04-23 2010-03-24 パナソニック株式会社 受信装置とこの受信装置を使用した受信システムおよびその受信方法
EP1601199B1 (en) * 2004-05-28 2008-01-23 Alcatel Lucent Broadband telecommunications system and method used therein to reduce the latency of channel switching by a multimedia receiver
TW200845724A (en) * 2004-06-02 2008-11-16 Matsushita Electric Ind Co Ltd Multiplexing apparatus and demultiplexing apparatus
GB0413723D0 (en) 2004-06-18 2004-07-21 Nds Ltd A method of dvr seamless splicing
KR100600336B1 (ko) * 2004-11-03 2006-07-19 주식회사 휴맥스 디지털 방송 수신기의 듀얼 튜너
US8934533B2 (en) * 2004-11-12 2015-01-13 Pelco, Inc. Method and apparatus for controlling a video surveillance display
KR100633089B1 (ko) 2004-11-30 2006-10-11 삼성전자주식회사 방송 수신 장치 및 그 제어 방법
CN100405832C (zh) * 2004-12-17 2008-07-23 Tcl王牌电子(深圳)有限公司 一种实现可同时接收播放多套节目的电视机装置
CN1870760B (zh) * 2005-05-29 2010-05-26 鸿富锦精密工业（深圳）有限公司 电视卡功能测试系统及方法
KR100732959B1 (ko) * 2005-08-11 2007-06-27 삼성에스디에스 주식회사 Ｔｖ 화면 분할 장치 및 그 방법
US8081684B2 (en) 2005-08-19 2011-12-20 Qualcomm Incorporated Picture-in-picture processing for video telephony
CN1997160A (zh) * 2006-01-06 2007-07-11 腾讯科技（深圳）有限公司 一种多路节目接收显示系统和方法
EP1985119B1 (en) * 2006-02-06 2011-04-20 Koninklijke Philips Electronics N.V. Audio-video switch
US8291122B2 (en) * 2006-06-16 2012-10-16 Nvidia Corporation Methods and systems for uninterrupted media change
CN1960450B (zh) * 2006-09-05 2010-05-12 中兴通讯股份有限公司 一种多媒体广播的频道切换方法和装置
US7920603B2 (en) * 2006-10-30 2011-04-05 Broadcom Corporation Method and system for switching elementary streams on a decoder with zero delay
US8819724B2 (en) 2006-12-04 2014-08-26 Qualcomm Incorporated Systems, methods and apparatus for providing sequences of media segments and corresponding interactive data on a channel in a media distribution system
KR101338977B1 (ko) * 2006-12-08 2013-12-09 삼성전자주식회사 지상파 디지털 멀티미디어 방송의 동시시청 방법 및 장치
JP4722028B2 (ja) * 2006-12-26 2011-07-13 富士通株式会社 データ転送システム、接近通知システム、およびデータ転送方法
DE102007009414A1 (de) 2007-02-23 2008-08-28 Deutsche Telekom Ag Verfahren und System zum störungsfreien Umschalten zwischen Programmkanälen in einer Videoumgebung
CN101141593B (zh) * 2007-10-16 2011-04-20 华为终端有限公司 切换电视节目的方法及机顶盒
US8473605B2 (en) 2007-10-30 2013-06-25 Qualcomm Incorporated Methods and apparatus for fast channel switching between real time content on a device
US8028081B2 (en) 2008-05-23 2011-09-27 Porto Technology, Llc System and method for adaptive segment prefetching of streaming media
CN101394505B (zh) * 2008-10-10 2010-04-07 北京创毅视讯科技有限公司 一种多套节目同时显示的装置、方法和终端
CN101521817B (zh) * 2009-03-17 2011-03-16 中兴通讯股份有限公司 一种用于改善手机电视播放连续性的方法及其终端
CN101938628B (zh) * 2009-06-29 2014-07-02 传线网络科技（上海）有限公司 互联网直播信号动态切换方法
CN101990131B (zh) * 2009-08-07 2013-05-15 中国移动通信集团公司 一种实现视频业务一致连续性的方法、装置和系统
CN102098423B (zh) * 2009-12-10 2013-03-27 北大方正集团有限公司 一种无缝文件采集方法及系统
EP2553919A1 (en) 2010-03-26 2013-02-06 EchoStar Technologies L.L.C. Multiple input television receiver
KR101131836B1 (ko) * 2010-05-26 2012-04-12 주식회사 마루이엔지 디지털 광고 삽입기를 위한 비동기 직렬 인터페이스 스위쳐
CN102843522B (zh) * 2011-06-24 2015-12-09 北京彩讯科技股份有限公司 基于pcie的视频拼接处理卡、其控制系统及控制方法
KR101871709B1 (ko) * 2011-10-18 2018-06-27 엘지전자 주식회사 적어도 하나 이상의 비디오 데이터를 처리하는 멀티미디어 디바이스의 제어 방법 및 상기 멀티미디어 디바이스
CN102523416A (zh) * 2011-11-21 2012-06-27 苏州希图视鼎微电子有限公司 多段媒体流的无缝播放方法
CN102769737A (zh) * 2012-07-19 2012-11-07 广东威创视讯科技股份有限公司 一种视频画面切换方法和系统
CN103313125B (zh) * 2013-05-03 2016-07-06 上海东方明珠广播电视研究发展有限公司 基于传输流的双路数字电视信号无缝切换方法及系统
CN103491447A (zh) * 2013-08-26 2014-01-01 小米科技有限责任公司 一种智能显示终端频道的播放方法、装置和设备
MX2016006798A (es) * 2013-11-27 2016-11-28 Interdigital Patent Holdings Inc Descripcion de medios de presentacion.
CN105024789B (zh) * 2014-04-15 2018-11-02 中国科学院上海高等研究院 多载频数字多媒体无线广播系统的载波聚合方法
CN103997677B (zh) * 2014-05-06 2017-04-05 深圳创维数字技术有限公司 一种音视频的播放方法及播放设备
WO2016116936A1 (en) * 2015-01-24 2016-07-28 Valens Semiconductor Ltd. Dynamic real-time compression
CN106385398B (zh) * 2016-01-12 2019-05-14 涂旭平 实时视频转码任务无缝迁移方法
CN106713945B (zh) * 2016-12-06 2020-05-12 广州华多网络科技有限公司 客户端连麦直播处理方法和装置、直播服务器及直播系统
CN108462889A (zh) * 2017-02-17 2018-08-28 阿里巴巴集团控股有限公司 直播过程中的信息推荐方法及装置
KR20200027276A (ko) 2018-09-04 2020-03-12 삼성전자주식회사 관심 영역을 통해 움직이는 외부 객체에 대해 프레임 레이트를 제어하여 이미지들을 획득하는 전자 장치 및 그의 동작 방법
CN110933506B (zh) * 2019-11-14 2021-10-22 武汉兴图新科电子股份有限公司 一种编解码无缝切换方法及系统
CN113676769B (zh) * 2021-08-23 2023-03-31 北京字跳网络技术有限公司 视频解码方法、设备及存储介质
CN114928423B (zh) * 2022-07-20 2022-09-27 深圳市徐港电子有限公司 多路广播调谐器切换控制方法、系统和终端设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0755157A2 (en) * 1995-07-21 1997-01-22 Matsushita Electric Industrial Co., Ltd. Method of splicing MPEG encoded video
WO1997045965A1 (en) * 1996-05-29 1997-12-04 Sarnoff Corporation Method and apparatus for splicing compressed information streams
US5724091A (en) * 1991-11-25 1998-03-03 Actv, Inc. Compressed digital data interactive program system
WO1998032284A1 (en) * 1997-01-17 1998-07-23 Nds Limited Improvements in or relating to switching between compressed bitstreams

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3002471B2 (ja) * 1988-08-19 2000-01-24 株式会社日立製作所 番組配信装置
US5861881A (en) * 1991-11-25 1999-01-19 Actv, Inc. Interactive computer system for providing an interactive presentation with personalized video, audio and graphics responses for multiple viewers
US5600573A (en) * 1992-12-09 1997-02-04 Discovery Communications, Inc. Operations center with video storage for a television program packaging and delivery system
GB9424437D0 (en) * 1994-12-02 1995-01-18 Philips Electronics Uk Ltd Encoder system level buffer management
US5610661A (en) * 1995-05-19 1997-03-11 Thomson Multimedia S.A. Automatic image scanning format converter with seamless switching

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724091A (en) * 1991-11-25 1998-03-03 Actv, Inc. Compressed digital data interactive program system
EP0755157A2 (en) * 1995-07-21 1997-01-22 Matsushita Electric Industrial Co., Ltd. Method of splicing MPEG encoded video
WO1997045965A1 (en) * 1996-05-29 1997-12-04 Sarnoff Corporation Method and apparatus for splicing compressed information streams
WO1998032284A1 (en) * 1997-01-17 1998-07-23 Nds Limited Improvements in or relating to switching between compressed bitstreams

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