[특허]Adaptive media transport management for continuous media stream over LAN/WAN environment

[미국특허] Adaptive media transport management for continuous media stream over LAN/WAN environment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-015/16
출원번호	US-0247054 (2005-10-11)
발명자 / 주소	Huang, Jeffrey
출원인 / 주소	Sextant Navigation, Inc.
대리인 / 주소	Invent Capture, LLC.
인용정보	피인용 횟수 : 49 인용 특허 : 3

초록 ▼

Methods and systems for transmitting compressed audio/video data streams across conventional networks or channels in real time. Each system employs the Adaptive Rate Control (ARC) technique that is based on the detection of defective packets and other influencing factors such as overall system performance, usage model and channel characteristics. To control data stream congestions in the channel and maintain the visual display quality above a certain level, the present invention exploits the human visual perception and adaptability to changing visual conditions. The ARC technique relies on the client's capacity for calculating the quality of video packets received from a server and sending information of a desired transmission rate to the server. This approach simplifies the hardware and software implementation complexity otherwise imposed on the server and reduces the overall design cost by shifting the burden of monitoring bandwidth and transmission control from the server to the client.

대표청구항 ▼

What is claimed is: 1. A method for controlling a transmission rate of a data stream from a server to a client in real time, wherein the client generates a look-up table by using a set of dynamically-changing client characteristics and accesses the look-up table by using a dynamically-updated data packet loss ratio as a look-up table key, the method comprising:receiving a first portion of the data stream from the server at a first transmission rate, the first portion including a plurality of data packets;checking integrity of the data packets;deriving the dynamically-updated data packet loss ratio based on the integrity;generating a client request for an adjustment of the first transmission rate to the server, wherein the client independently determines an adjusted transmission rate based on the dynamically-updated data packet loss ratio and one or more dynamically-changing values in the look-up table in the client associated with the set of dynamically-changing client characteristics, which changes during a process of data transmission from the server to the client;sending the client request to the server;processing the client request in an intelligent video transport manager associated with the server for the adjustment of the first transmission rate or an adjustment for a desired Luminance-Chrominance (YUV) conversion format for more video color content information to less video color content information or vice versa; andreceiving a second portion of the data stream at the adjusted transmission rate from the server.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Pendakur,Ramesh; Hallford,Jason C., Correcting for data losses with feedback and response.
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Aharoni Amir,ILX ; Khirman Stas,ILX ; Taits Eugene,ILX ; Ariel Oren,ILX, System for adaptive video/audio transport over a network.
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Goetz Tom ; Sridhar Manickam R. ; Prasad Mukesh, System, device, and method for streaming a multimedia file.
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Ali, Walid, Adaptive video processing of an interactive environment.
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Bivolarsky, Lazar; Reeder, Jekaterina, Color adaptation in video coding.
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Wang, Frank C., Content continuation system and method.
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Wang, Frank C., Content delivery system and method.
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Wang, Frank C., Content delivery system and method spanning multiple data processing systems.
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Kasatani, Kiyoshi, Distribution control, method and system for changing a parameter of reproduction quality at a communication terminal based on the received transmission delay time information.
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Kalman, Mark; Wang, Bin; Kim, Yon-Seo, Efficient bandwidth estimation.
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Wang, Frank C., Enhanced content continuation system and method.
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Perlman, Stephen G.; van der Laan, Roger, Hosting and broadcasting virtual events using streaming interactive video.
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Xiao, Jing; Yang, Weiwei; Wei, Haitao; Ren, Jungang, Method for adjusting media stream transmission bandwidth and related apparatus.
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Li, Chien-Yen; Ko, Chih-Wen; Chu, Fu-An; Shu, Shau-Hua, Method for controlling transmission power of wireless device.
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Perlman, Stephen G.; van der Laan, Roger, Method for multicasting views of real-time streaming interactive video.
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Perlman, Stephen G.; van der Laan, Roger, Method for user session transitioning among streaming interactive video servers.
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Perlman, Stephen G.; van der Laan, Roger, Method for user session transitioning among streaming interactive video servers.
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Perlman, Stephen G.; van der Laan, Roger, Method of combining linear content and interactive content compressed together as streaming interactive video.
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Sayko, Robert J.; Altom, Mark W.; Feit, Susan; Nortz, Douglas M.; Segelstein, David J.; Zink, John H., Multicast distribution of incrementally enhanced content.
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Heinz, II, Gerard Joseph; Mamtani, Vinod Murli; Taraki, Quais, Multiple stream content presentation.
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Heinz, II, Gerard Joseph; Mamtani, Vinod Murli; Taraki, Quais, Multiple stream content presentation.
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Jeong, Hyeonkuk; Garcia, Jr., Roberto; Zhou, Xiaosong; Price, Douglas S.; Abuan, Joe S., Selection of encoder and decoder for a video communications session.
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Heinz, II, Gerard Joseph; Efremov, Venelin Nikolaev; Thompson, Jonathan Paul, Service for generating graphics object data.
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Perlman, Stephen G.; van der Laan, Roger, Streaming interactive video integrated with recorded video segments.
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Bai, Fan; Yu, Bo; Thanayankizil, Lakshmi V.; Hrabak, Robert A.; Pop, David P., System and method for compensating for delay and jitter.
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Perlman, Stephen G.; van der Laan, Roger, System and method for compressing streaming interactive video.
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Yu, Jian; Chen, David; Patel, Vipul; Gould, Kenneth, System and method for delivering media based on viewer behavior.
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Perlman, Stephen G.; van der Laan, Roger, System for acceleration of web page delivery.
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Perlman, Stephen G.; van der Laan, Roger, System for collaborative conferencing using streaming interactive video.
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Perlman, Stephen G.; van der Laan, Roger, System for combining a plurality of views of real-time streaming interactive video.
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Wang, Frank C., System for content continuation and handoff.
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Perlman, Stephen G.; van der Laan, Roger, System for recursive recombination of streaming interactive video.
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Perlman, Stephen G.; van der Laan, Roger, System for reporting recorded video preceding system failures.
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Perlman, Stephen G.; van der Laan, Roger, System for streaming databases serving real-time applications used through streaming interactive.
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Pawlowski, J. Thomas, Systems and methods for throttling packet transmission in a scalable memory system protocol.
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Hasegawa, Hiromu; Saito, Makoto, Transcoder.
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Zhu, Mingzhao; Miyabe, Takao, Wireless communication system, management server, wireless terminal, and network selection method in which networks that satisfy condition requested by wireless terminal that has requested a connection based on network information including a latest transmission speed is selected.
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[미국특허] Adaptive media transport management for continuous media stream over LAN/WAN environment 원문보기