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1. 发明授权

US09747340B2 Method and system of using a local hosted cache and cryptographic hash functions to reduce network traffic 有权
公开(公告)号：US09747340B2
公开(公告)日：2017-08-29
申请号：US12141950
申请日：2008-06-19
申请人： Ravi T. Rao , Sandeep K. Singhal , See-Mong Tan , R Scott Briggs , Kushal Narkhede , Eliot John Flannery , Nilesh R. Shah , Gianluigi Nusca , Khawar Mahmood Zuberi
发明人： Ravi T. Rao , Sandeep K. Singhal , See-Mong Tan , R Scott Briggs , Kushal Narkhede , Eliot John Flannery , Nilesh R. Shah , Gianluigi Nusca , Khawar Mahmood Zuberi
IPC分类号： G06F7/00 , G06F17/30 , G06F17/00
CPC分类号： G06F17/3048 , G06F17/30132 , G06F17/3033 , G06F17/30949
摘要： The described method and system enables a client at a branch office to retrieve data from a local hosted cache instead of an application server over a WAN to improve latency and reduce overall WAN traffic. A server at the data center may be adapted to provide either a list of hashes or the requested data based on whether a hosted cache system is enabled. A hosted cache at the client side may provide the data to the client based on the hashes. The hashes may be generated to provide a fingerprint of the data which may be used to index the data in an efficient manner.

2. 发明授权

US06728312B1 Adaptive video decoding and rendering with respect to processor congestion 有权
标题翻译：相对于处理器拥塞的自适应视频解码和渲染
公开(公告)号：US06728312B1
公开(公告)日：2004-04-27
申请号：US09548570
申请日：2000-04-13
申请人： Paul H. Whitford , James H. Parry , See-Mong Tan
发明人： Paul H. Whitford , James H. Parry , See-Mong Tan
IPC分类号： H04N712
CPC分类号： H04N19/156 , H04N19/12
摘要： Disclosed is a method and system for reducing audio artifacts and/or avoiding invalid reference memory in a compressed video decoder due to processor congestion. The system and method includes decoding compressed frames of video data, and decoding compressed frames of audio data. The system and method determines whether audio data can be generated without audio artifacts. If it is determined that audio can be generated without audio artifacts, then images corresponding to the decoded frames of video data, respectively, are subsequently displayed. If however it is determined that the audio can not be generated without artifacts due to processor congestion, images are displayed and redisplayed while processor power is shifted to decoding frames of audio data.
摘要翻译：公开了一种用于在压缩视频解码器中由于处理器拥塞而减少音频伪影和/或避免无效参考存储器的方法和系统。该系统和方法包括解码视频数据的压缩帧，以及解码压缩的音频数据帧。系统和方法确定是否可以生成音频数据而不产生音频伪影。如果确定可以生成没有音频伪影的音频，则随后显示与解码的视频数据帧相对应的图像。然而，如果确定由于处理器拥塞而无法产生音频不产生伪像，则在处理器功率转换到解码帧音频数据时，显示和重新显示图像。

3. 发明申请

US20090319473A1 METHOD AND SYSTEM OF USING A LOCAL HOSTED CACHE AND CRYPTOGRAPHIC HASH FUNCTIONS TO REDUCE NETWORK TRAFFIC 有权
标题翻译：使用本地主机高速缓存和克隆功能降低网络流量的方法和系统
公开(公告)号：US20090319473A1
公开(公告)日：2009-12-24
申请号：US12141950
申请日：2008-06-19
申请人： Ravi T. Rao , Sandeep K. Singhal , See-Mong Tan , R. Scott Briggs , Kushal Narkhede , Eliot John Flannery , Nilesh R. Shah , Gianluigi Nusca , Khawar Mahmood Zuberi
发明人： Ravi T. Rao , Sandeep K. Singhal , See-Mong Tan , R. Scott Briggs , Kushal Narkhede , Eliot John Flannery , Nilesh R. Shah , Gianluigi Nusca , Khawar Mahmood Zuberi
IPC分类号： G06F7/20 , G06F15/16 , G06F17/30
CPC分类号： G06F17/3048 , G06F17/30132 , G06F17/3033 , G06F17/30949
摘要： The described method and system enables a client at a branch office to retrieve data from a local hosted cache instead of an application server over a WAN to improve latency and reduce overall WAN traffic. A server at the data center may be adapted to provide either a list of hashes or the requested data based on whether a hosted cache system is enabled. A hosted cache at the client side may provide the data to the client based on the hashes. The hashes may be generated to provide a fingerprint of the data which may be used to index the data in an efficient manner.
摘要翻译：所描述的方法和系统使得分支机构的客户能够通过WAN从本地托管缓存而不是应用服务器检索数据，以改善延迟并减少总体WAN流量。数据中心处的服务器可以适于基于托管缓存系统是否被启用来提供散列列表或所请求的数据。客户端的托管缓存可以根据哈希值向客户端提供数据。可以生成散列以提供可以用于以有效的方式对数据进行索引的数据的指纹。

4. 发明授权

US06751404B1 Method and apparatus for detecting processor congestion during audio and video decode 失效
标题翻译：用于在音频和视频解码期间检测处理器拥塞的方法和装置
公开(公告)号：US06751404B1
公开(公告)日：2004-06-15
申请号：US09548898
申请日：2000-04-13
申请人： Paul H. Whitford , James H. Parry , See-Mong Tan
发明人： Paul H. Whitford , James H. Parry , See-Mong Tan
IPC分类号： H04N591
CPC分类号： G06F9/50 , H04N5/4401 , H04N5/602 , Y02D10/22
摘要： Disclosed is a method and system for detecting processor congestion during decompression of a stream of video and audio data. The system and method includes a processor receiving and decoding a first frame of audio data in accordance with an audio decode software algorithm. The processor generates a first audio time stamp ATS1 indicating the time at which the processor finishes decoding the first frame of audio data. Subsequently, the processor receives and decodes a second frame of audio data in accordance with the same audio decode software algorithm and generates a second audio time stamp ATS2 indicating the time at which the processor finishes decoding the second audio data frame. The first audio time stamp ATS1 is added to a predetermined amount of time T, the result of which is compared with ATS2. T, in one embodiment, is the time it takes a speaker to generate audio corresponding to a decoded frame of audio data. If ATS2 is later in time than (ATS1+T) by a predetermined amount TMIN, a signal is generated indicating that the processor is not decoding received audio frames fast enough due to processor congestion. In response to this signal, the processor workload can be redistributed in favor of increased audio decoding. If ATS2 is not later in time than (ATS1+T) by a predetermined amount TMIN, then no modifications to the processor workload need be made.
摘要翻译：公开了一种用于在解压缩视频和音频数据流期间检测处理器拥塞的方法和系统。该系统和方法包括根据音频解码软件算法接收和解码第一帧音频数据的处理器。处理器产生指示处理器完成对音频数据的第一帧的解码的时间的第一音频时间戳ATS1。随后，处理器根据相同的音频解码软件算法接收和解码第二帧音频数据，并产生指示处理器完成对第二音频数据帧的解码的时间的第二音频时间戳ATS2。将第一音频时间戳ATS1添加到预定量的时间T，将其结果与ATS2进行比较。在一个实施例中，T是扬声器产生与解码的音频数据帧相对应的音频所花费的时间。如果ATS2的时间晚于（ATS1 + T）预定量TMIN，则产生指示处理器由于处理器拥塞而足够快地解码接收的音频帧的信号。响应于该信号，可以重新分配处理器工作负载以有利于增加的音频解码。如果ATS2的时间不晚于（ATS1 + T）预定量TMIN，则不需要对处理器工作量进行任何修改。

5. 发明授权

US08799757B2 Synchronization aspects of interactive multimedia presentation management 有权
标题翻译：交互式多媒体演示管理的同步方面
公开(公告)号：US08799757B2
公开(公告)日：2014-08-05
申请号：US11355209
申请日：2006-02-15
申请人： Andrew William Jewsbury , James C. Finger , Olivier Colle , Robert K. Hughes, Jr. , Sean Hayes , See-Mong Tan
发明人： Andrew William Jewsbury , James C. Finger , Olivier Colle , Robert K. Hughes, Jr. , Sean Hayes , See-Mong Tan
IPC分类号： G06F17/00 , G06F17/30 , G11B27/10
CPC分类号： G06F17/30017 , G06F17/30058 , G11B27/005 , G11B27/10 , G11B27/322 , G11B2220/2541 , G11B2220/2579 , H04N5/04 , H04N5/85
摘要： An interactive multimedia presentation has a predetermined presentation play duration, a video content component (which may include video, audio, data, or any combination thereof), and an interactive content component. Methods and systems for playing the presentation include specifying a time when a particular media object is renderable. The time is specifiable using an application instruction that references either a first timing signal having a rate that is based on the play speed of the presentation, or a second timing signal having a continuous rate. One example of an application instruction usable as described above is an element associated with an XML data structure. An attribute of the element, such as the clock attribute, may be used to provide time values for the element that reference either timing signal. The attribute is used to maintain frame-accurate synchronization between the video and the interactive content components of the presentation.
摘要翻译：交互式多媒体呈现具有预定的呈现播放持续时间，视频内容组件（其可以包括视频，音频，数据或其任何组合）和交互式内容组件。播放演示文稿的方法和系统包括指定特定媒体对象可呈现的时间。可以使用参考具有基于演示的播放速度的速率的第一定时信号或具有连续速率的第二定时信号来指定时间。可以如上所述使用的应用指令的一个示例是与XML数据结构相关联的元素。诸如时钟属性的元素的属性可以用于为引用任一定时信号的元件提供时间值。该属性用于维护视频和演示文稿的交互内容组件之间的帧精确同步。

6. 发明授权

US06603501B1 Videoconferencing using distributed processing 有权
标题翻译：视频会议使用分布式处理
公开(公告)号：US06603501B1
公开(公告)日：2003-08-05
申请号：US09721547
申请日：2000-11-21
申请人： James H. Parry , See-Mong Tan
发明人： James H. Parry , See-Mong Tan
IPC分类号： H04N714
CPC分类号： H04N7/152 , H04N7/147
摘要： A video teleconferencing system and method transfers video teleconferencing signals from a sender to a receiver. The sender determines decision information based on internal or external factors. The sender may or may not generate a video teleconferencing signal depending on the content of the decision information. If generated, the video teleconferencing signal is encoded at the sender and sent to the receiver. Each sender includes at least one memory module for storing the decoded signal, each memory module is one group. The sender updates its memory module with a copy of each sent video teleconferencing signal. The receiver decodes the signal and presents the signal to the user of the receiver. The receiver stores a copy of the signal in a memory module identified with each specific sender.
摘要翻译：视频电话会议系统和方法将视频电话会议信号从发送方传送到接收方。发件人根据内部或外部因素确定决策信息。根据决策信息的内容，发送者可以产生或不产生视频电话会议信号。如果生成，则视频电话会议信号在发送器处被编码并发送到接收器。每个发送器包括用于存储解码信号的至少一个存储器模块，每个存储器模块是一组。发送者使用每个发送的视频电话会议信号的副本更新其内存模块。接收机对信号进行解码并将信号呈现给接收机的用户。接收器将信号的副本存储在由每个特定发送者识别的存储器模块中。

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