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    • 1. 发明申请
    • Caching of Fragmented Streaming Media
    • 分段流媒体缓存
    • US20130238740A1
    • 2013-09-12
    • US13413618
    • 2012-03-06
    • Jozsef VassAdam Lane
    • Jozsef VassAdam Lane
    • G06F15/167G06F15/16
    • G06F17/30902H04L65/604H04L67/02H04L67/2842H04L67/2857H04N21/231H04N21/23106
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for caching fragmented streaming media, e.g., for caching fragmented media documents streamed in accordance with HTTP, are described in this specification. In one aspect, a system including means for obtaining, locally, fragments of a media document from a remote media source based on a manifest that refers to storage locations where the fragments are stored at the remote media source. Further, the system includes means for generating index points into a locally cached media item of the obtained fragments, the generated index points being different from any index point of the manifest. Additionally, the system includes means for playing the locally cached media item based on the generated index points.
    • 在本说明书中描述了方法,系统和装置,包括在计算机存储介质上编码的用于缓存分段流媒体的计算机程序,例如用于缓存根据HTTP流式传输的分段媒体文档。 在一个方面,一种系统包括用于从远程媒体源获得媒体文档的片段的装置,该装置基于指示在远程媒体源处存储片段的存储位置的清单。 此外,该系统包括用于将索引点生成到所获取的片段的本地缓存的媒体项目中的装置,所生成的索引点与清单的任何索引点不同。 另外,该系统包括基于生成的索引点播放本地缓存的媒体项目的装置。
    • 2. 发明授权
    • Caching of fragmented streaming media
    • 缓存流媒体片段
    • US08825790B2
    • 2014-09-02
    • US13413618
    • 2012-03-06
    • Jozsef VassAdam Lane
    • Jozsef VassAdam Lane
    • G06F15/167
    • G06F17/30902H04L65/604H04L67/02H04L67/2842H04L67/2857H04N21/231H04N21/23106
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for caching fragmented streaming media, e.g., for caching fragmented media documents streamed in accordance with HTTP, are described in this specification. In one aspect, a system including means for obtaining, locally, fragments of a media document from a remote media source based on a manifest that refers to storage locations where the fragments are stored at the remote media source. Further, the system includes means for generating index points into a locally cached media item of the obtained fragments, the generated index points being different from any index point of the manifest. Additionally, the system includes means for playing the locally cached media item based on the generated index points.
    • 在本说明书中描述了方法,系统和装置,包括在计算机存储介质上编码的用于缓存分段流媒体的计算机程序,例如用于缓存根据HTTP流式传输的分段媒体文档。 在一个方面,一种系统包括用于从远程媒体源获得媒体文档的片段的装置,该装置基于指示在远程媒体源处存储片段的存储位置的清单。 此外,该系统包括用于将索引点生成到所获取的片段的本地缓存的媒体项目中的装置,所生成的索引点与清单的任何索引点不同。 另外,该系统包括基于生成的索引点播放本地缓存的媒体项目的装置。
    • 4. 发明授权
    • Media quality enhancement among connected media communication devices
    • 连接的媒体通信设备之间的媒体质量提升
    • US08312164B2
    • 2012-11-13
    • US12760502
    • 2010-04-14
    • Jozsef Vass
    • Jozsef Vass
    • G06F15/16H04N7/26
    • H04N21/4788H04L65/602H04L65/607H04L65/80H04N7/148H04N21/2343H04N21/2402H04N21/2405
    • In one aspect, a method includes collecting, at a sending device, information including first information regarding an amount of encoded media data produced by a media encoder, and second information regarding an amount of encoded media data passed to, but not yet transmitted by, a transport layer network protocol stack; calculating, from the first information, an intermediate quantity of produced encoded media data, and from the first information and the second information, a rate of encoded media data transmission by the transport layer network protocol stack; and if the intermediate quantity compares favorably to a current media rate set for media data provided to the media encoder, increasing the current media rate by a rate adjustment amount, if the rate of encoded media data transmission compares unfavorably to the current media rate, decreasing the current media rate, else, maintaining the current media rate.
    • 在一个方面,一种方法包括在发送设备处收集包括关于由媒体编码器产生的编码媒体数据量的第一信息的信息,以及关于传递给但尚未由媒体编码器传送的编码媒体数据的量的第二信息, 传输层网络协议栈; 从所述第一信息计算所生成的编码媒体数据的中间量,以及根据所述第一信息和所述第二信息,传输层网络协议栈传送的编码媒体数据的速率; 并且如果中间数量与为媒体编码器提供的媒体数据设定的当前媒体速率有利地比较,则将当前媒体速率增加速率调整量,如果编码媒体数据传输速率与当前媒体速率不利地相比降低 当前的媒体速度,否则,维持当前的媒体速度。
    • 5. 发明申请
    • Media Quality Enhancement Among Connected Media Communication Devices
    • 连接媒体通信设备中的媒体质量提升
    • US20110258338A1
    • 2011-10-20
    • US12760502
    • 2010-04-14
    • Jozsef Vass
    • Jozsef Vass
    • G06F15/16H04N7/26
    • H04N21/4788H04L65/602H04L65/607H04L65/80H04N7/148H04N21/2343H04N21/2402H04N21/2405
    • In one aspect, a method includes collecting, at a sending device, information including first information regarding an amount of encoded media data produced by a media encoder, and second information regarding an amount of encoded media data passed to, but not yet transmitted by, a transport layer network protocol stack; calculating, from the first information, an intermediate quantity of produced encoded media data, and from the first information and the second information, a rate of encoded media data transmission by the transport layer network protocol stack; and if the intermediate quantity compares favorably to a current media rate set for media data provided to the media encoder, increasing the current media rate by a rate adjustment amount, if the rate of encoded media data transmission compares unfavorably to the current media rate, decreasing the current media rate, else, maintaining the current media rate.
    • 在一个方面,一种方法包括在发送设备处收集包括关于由媒体编码器产生的编码媒体数据量的第一信息的信息,以及关于传递给但尚未由媒体编码器传送的编码媒体数据的量的第二信息, 传输层网络协议栈; 从所述第一信息计算所生成的编码媒体数据的中间量,以及根据所述第一信息和所述第二信息,传输层网络协议栈传送的编码媒体数据的速率; 并且如果中间数量与为媒体编码器提供的媒体数据设定的当前媒体速率有利地比较,则将当前媒体速率增加速率调整量,如果编码媒体数据传输速率与当前媒体速率不利地相比降低 当前的媒体速度,否则,维持当前的媒体速度。
    • 6. 发明授权
    • DCT-based scalable video compression
    • 基于DCT的可扩展视频压缩
    • US07245662B2
    • 2007-07-17
    • US10415008
    • 2001-10-24
    • Christopher PichéShahadatullah KhanJozsef Vass
    • Christopher PichéShahadatullah KhanJozsef Vass
    • H04N7/12G06K9/36
    • H04N19/625H04N19/13H04N19/137H04N19/154H04N19/33H04N19/34H04N19/46H04N19/647
    • A method of encoding an input video signal for communication over a computer network, the method comprising the steps of: i) dividing each frame into a two-dimensional array of macroblocks; ii) detecting motion between each macroblock of a current frame and the corresponding macroblock of a previous frame, and coding only those macroblocks where motion is detected; iii) replacing all coefficients of non-coded macroblocks with zero coefficients; iv) applying discrete cosine transformation to coded macroblocks; v) reorganizing coefficients into a multi-resolution representation; vi) quantizing the coefficients with a uniform scalar quantizer to produce a significance map; and vii) adaptive arithmetic coding of said signal by encoding the motion information, encoding the significance map, encoding the signs of all significant coefficients, and encoding the magnitudes of significant coefficients, in bit-plane order starting with the most significant bit.
    • 一种编码用于通过计算机网络通信的输入视频信号的方法,所述方法包括以下步骤:i)将每个帧划分为宏块的二维阵列; ii)检测当前帧的每个宏块与前一帧的相应宏块之间的运动,并且只对那些检测到运动的宏块进行编码; iii)用零系数代替所有非编码宏块的系数; iv)对编码宏块应用离散余弦变换; v)将系数重组为多分辨率表示; vi)用均匀标量量化器量化系数以产生显着性图; 以及vii)以最高有效位开始的位平面顺序对所述信号进行编码,对所述有效系数的符号进行编码,对所述有效系数的符号进行编码,以及对有效系数的幅度进行编码来对所述信号进行自适应算术编码。
    • 7. 发明授权
    • Monitoring behavior with respect to a software program
    • 监控软件程序的行为
    • US09407959B2
    • 2016-08-02
    • US12563973
    • 2009-09-21
    • Jozsef Vass
    • Jozsef Vass
    • G06F17/30H04N21/442G06F21/10H04N21/2387
    • H04N21/44236G06F17/30781G06F21/10H04N21/2387H04N21/44222
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, used to monitor behavior with respect to a software program. In one aspect, a method includes playing media content using a first program that is limited to a first security context corresponding to a first domain of the first program, the first program having an object in the first security context corresponding to the media content; receiving an event including information indicating a monitoring program; instantiating the monitoring program in a second security context that is applicable to multiple domains, including the first domain, the instantiated monitoring program having access from the second security context to the object of the first program in the first security context; and receiving from the monitoring program information regarding playing of the media content.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于监视关于软件程序的行为。 一方面,一种方法包括使用限于与第一程序的第一域相对应的第一安全上下文的第一程序播放媒体内容,所述第一节目具有与所述媒体内容对应的所述第一安全上下文中的对象; 接收包括指示监视程序的信息的事件; 在适用于多个域(包括第一域)的第二安全上下文中实例化监视程序,该实例监视程序具有从第二安全上下文到第一安全环境中的第一程序的对象的访问; 以及从所述监视程序接收关于所述媒体内容的播放的信息。
    • 8. 发明授权
    • Client-server architecture for audio-video communications
    • 用于音视频通信的客户机 - 服务器架构
    • US08923325B2
    • 2014-12-30
    • US12574533
    • 2009-10-06
    • Jozsef Vass
    • Jozsef Vass
    • H04J3/22
    • H04L69/08H04L65/103H04L65/104H04L65/1069
    • A method enabling VoIP communication sessions between a VoIP based client application and a non-VoIP standards based client application. The method includes providing a server on a digital communications network that includes runs or provides media proxy. The media proxy receives a media packet from the first communications application formatted according to a first protocol. The method includes performing packet translation on the media packet to generate a media packet that is formatted according to a second protocol that differs from the first protocol but that is used by a second communications application. The method includes transporting the translated media packet to the second communications application over the network. The packet translation includes translating the protocol while simply copying the audio-video data or payload from the original message. The communications session includes performing communications session setup between the two communications applications by signaling between these two applications.
    • 一种实现基于VoIP的客户端应用和基于非VoIP标准的客户端应用之间的VoIP通信会话的方法。 该方法包括在包括运行或提供媒体代理的数字通信网络上提供服务器。 媒体代理接收根据第一协议格式化的第一通信应用的媒体分组。 所述方法包括在所述媒体分组上执行分组转换,以生成根据与所述第一协议不同但由第二通信应用使用的根据第二协议格式化的媒体分组。 该方法包括通过网络将转换的媒体分组传送到第二通信应用。 分组转换包括翻译协议,同时简单地从原始消息复制音频 - 视频数据或有效载荷。 通信会话包括通过这两个应用之间的信令来在两个通信应用之间执行通信会话建立。
    • 9. 发明申请
    • MONITORING BEHAVIOR WITH RESPECT TO A SOFTWARE PROGRAM
    • 监测与软件程序相关的行为
    • US20130166520A1
    • 2013-06-27
    • US12563973
    • 2009-09-21
    • Jozsef Vass
    • Jozsef Vass
    • G06F21/00G06F17/30
    • H04N21/44236G06F17/30781G06F21/10H04N21/2387H04N21/44222
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, used to monitor behavior with respect to a software program. In one aspect, a method includes playing media content using a first program that is limited to a first security context corresponding to a first domain of the first program, the first program having an object in the first security context corresponding to the media content; receiving an event including information indicating a monitoring program; instantiating the monitoring program in a second security context that is applicable to multiple domains, including the first domain, the instantiated monitoring program having access from the second security context to the object of the first program in the first security context; and receiving from the monitoring program information regarding playing of the media content.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于监视关于软件程序的行为。 一方面,一种方法包括使用限于与第一程序的第一域相对应的第一安全上下文的第一程序播放媒体内容,所述第一节目具有与所述媒体内容对应的所述第一安全上下文中的对象; 接收包括指示监视程序的信息的事件; 在适用于多个域(包括第一域)的第二安全上下文中实例化监视程序,该实例监视程序具有从第二安全上下文到第一安全环境中的第一程序的对象的访问; 以及从所述监视程序接收关于所述媒体内容的播放的信息。
    • 10. 发明申请
    • CLIENT-SERVER ARCHITECTURE FOR AUDIO-VIDEO COMMUNICATIONS
    • 用于音视频通信的客户端 - 服务器架构
    • US20130163580A1
    • 2013-06-27
    • US12574533
    • 2009-10-06
    • Jozsef Vass
    • Jozsef Vass
    • H04L12/66
    • H04L69/08H04L65/103H04L65/104H04L65/1069
    • A method enabling VoIP communication sessions between a VoIP based client application and a non-VoIP standards based client application. The method includes providing a server on a digital communications network that includes runs or provides media proxy. The media proxy receives a media packet from the first communications application formatted according to a first protocol. The method includes performing packet translation on the media packet to generate a media packet that is formatted according to a second protocol that differs from the first protocol but that is used by a second communications application. The method includes transporting the translated media packet to the second communications application over the network. The packet translation includes translating the protocol while simply copying the audio-video data or payload from the original message. The communications session includes performing communications session setup between the two communications applications by signaling between these two applications.
    • 一种实现基于VoIP的客户端应用和基于非VoIP标准的客户端应用之间的VoIP通信会话的方法。 该方法包括在包括运行或提供媒体代理的数字通信网络上提供服务器。 媒体代理接收根据第一协议格式化的第一通信应用的媒体分组。 所述方法包括在所述媒体分组上执行分组转换,以生成根据与所述第一协议不同但由第二通信应用使用的根据第二协议格式化的媒体分组。 该方法包括通过网络将转换的媒体分组传送到第二通信应用。 分组转换包括翻译协议,同时简单地从原始消息复制音频 - 视频数据或有效载荷。 通信会话包括通过这两个应用之间的信令来在两个通信应用之间执行通信会话建立。