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1. 发明申请

WO2010106075A1 MODIFIED STREAM SYNCHRONIZATION 审中-公开
标题翻译：改进的流同步
公开(公告)号：WO2010106075A1
公开(公告)日：2010-09-23
申请号：PCT/EP2010/053407
申请日：2010-03-16
申请人： KONINKLIJKE KPN N.V. , Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNO , STOKKING, Hans Maarten , WALRAVEN, Fabian Arthur , VAN DEVENTER, Mattijs Oskar , NIAMUT, Omar Aziz
发明人： STOKKING, Hans Maarten , WALRAVEN, Fabian Arthur , VAN DEVENTER, Mattijs Oskar , NIAMUT, Omar Aziz
IPC分类号： H04J3/06 , H04N7/52 , H04N7/62
CPC分类号： H04L65/605 , H04L65/80 , H04N7/24 , H04N21/234309 , H04N21/234318 , H04N21/23608 , H04N21/2368 , H04N21/238 , H04N21/2381 , H04N21/242 , H04N21/2662 , H04N21/4302 , H04N21/4307 , H04N21/4341 , H04N21/643 , H04N21/64322 , H04N21/6437 , H04N21/8547
摘要： A method and system for inter-destination synchronization of at least a first and a second stream is described, wherein the second stream is the output stream of a media stream modification unit using the first stream as an input stream. The method comprises the steps of : providing first arrival time information of a packet in the first stream arriving at a first synchronization point and second arrival time information of a packet in the second stream arriving at a second synchronization point; providing synchronization correlation information on the synchronicity relationship between said input stream and said output stream; and, calculating delay information on the basis of the first and second arrival time information and the synchronization correlation information.
摘要翻译：描述了用于至少第一和第二流的目的地间同步的方法和系统，其中第二流是使用第一流作为输入流的媒体流修改单元的输出流。该方法包括以下步骤：提供到达第一同步点的第一流中的分组的第一到达时间信息和到达第二同步点的第二流中的分组的第二到达时间信息; 提供关于所述输入流和所述输出流之间的同步关系的同步相关信息; 并且基于第一和第二到达时间信息和同步相关信息来计算延迟信息。

2. 发明申请

WO2009071321A1 METHOD AND SYSTEM FOR SYNCHRONIZING THE OUTPUT OF TERMINALS 审中-公开
标题翻译：用于同步终端输出的方法和系统
公开(公告)号：WO2009071321A1
公开(公告)日：2009-06-11
申请号：PCT/EP2008/010355
申请日：2008-12-05
申请人： KONINKLIJKE KPN N.V , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNO , STOKKING, Hans, Maarten , VAN DEVENTER, Mattijs, Oskar , WALRAVEN, Fabian, Arthur , NIAMUT, Omar, Aziz
发明人： STOKKING, Hans, Maarten , VAN DEVENTER, Mattijs, Oskar , WALRAVEN, Fabian, Arthur , NIAMUT, Omar, Aziz
IPC分类号： H04L29/06 , H04J3/06
CPC分类号： H04L65/80 , H04J3/0661 , H04J3/0682
摘要： A Method is described for synchronizing the output of terminals. The method according to the invention may be used in a system comprising a station, which transmits a packetized stream to at least a first and second terminal. Each terminal comprises a variable delay unit and each terminal is connected through a low-delay communication channel to at least one synchronization unit for calculating delay information. Further, each terminal is capable of determining media reference information of a received media unit from the stream. The method comprising the steps of providing one or more low delay communication channels between the terminals and a synchronization unit; the synchronization unit calculating delay information on the basis of synchronization information received from the terminals via the one or more low delay communication channels; and transmitting the delay information to at least one of the terminals allowing the at least one terminal to delay its output such that the output of the terminals are substantially synchronized.
摘要翻译：描述了一种用于同步终端输出的方法。根据本发明的方法可以在包括站的系统中使用，该站将分组化流发送到至少第一和第二终端。每个终端包括可变延迟单元，并且每个终端通过低延迟通信信道连接到至少一个用于计算延迟信息的同步单元。此外，每个终端能够从流中确定接收到的媒体单元的媒体参考信息。该方法包括以下步骤：在终端与同步单元之间提供一个或多个低延迟通信信道; 所述同步单元基于经由所述一个或多个低延迟通信信道从所述终端接收的同步信息来计算延迟信息; 以及将延迟信息发送到至少一个终端，允许至少一个终端延迟其输出，使得终端的输出基本上同步。

3. 发明申请

WO2013041394A1 SECURE DISTRIBUTION OF CONTENT 审中-公开
标题翻译：内容的安全分配
公开(公告)号：WO2013041394A1
公开(公告)日：2013-03-28
申请号：PCT/EP2012/067577
申请日：2012-09-07
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , NIAMUT, Omar, Aziz , VAN DEVENTER, Mattijs, Oskar , VEUGEN, Peter
发明人： NIAMUT, Omar, Aziz , VAN DEVENTER, Mattijs, Oskar , VEUGEN, Peter
IPC分类号： H04L9/08 , H04L9/26 , H04L9/30
CPC分类号： H04L9/0819 , H04L9/065 , H04L9/0825 , H04L9/0869 , H04L9/3013 , H04L9/302 , H04L2209/603
摘要： Methods and systems are described for secure delivery of a content item from at least a first content distribution network (CDN1) to at least one content receiving entity using a split-key cryptosystem comprising encryption and decryption algorithms E and D, a cipher algorithm for generating encryption and decryption keys e,d on the basis of secret information S and a split-key algorithm using secret information S for splitting e into i different split-encryption keys e 1 ,e 2 ,…,e i and/or for splitting d into k different split-decryption keys d 1 ,d 2 ,…,d k respectively, such that D dk (D dk-1 (…(D d2 (D d1 (E ei (E ei-1 (…(E e2 (E e1 (X))…))= D dk (D dk-1 (…(D d2 (D d1 (X e1,e2,…,ei ))=X wherein i,k≥1 and i+k>2. The method may comprise: a content source providing said at least one CDN1 with at least one an encrypted content item X e ; a key generator associated with said content source comprising said cipher and split-key algorithm generating first split-key information and transmitting said first split-key information to said first CDN1, preferably to a first secure module associated with said CDN1; generating a partially decrypted content item on the basis of said encrypted content item X e , said decryption algorithm D and said first split-key information; and, transmitting said partially decrypted content item to said content receiving entity.
摘要翻译：描述了用于使用包括加密和解密算法E和D的分组密码系统将内容项从至少第一内容分发网络（CDN1）安全递送到至少一个内容接收实体的方法和系统，用于生成基于秘密信息S的加密和解密密钥e，d和使用秘密信息S的分裂密钥算法，用于将e分割成i个不同的分裂加密密钥e1，e2，...，ei和/或将d分割成使得Ddk（Ddk-1（...（Dd2（Dd1（Eei（Ee1（X）））分别为不同的分解解密密钥d1，d2，...，dk ...）= Ddk（Ddk-1（...（Dd2（Dd1（Xe1，e2，...，ei））= X其中i，k> = 1和i + k> 2。包括：向所述至少一个CDN1提供至少一个加密内容项目Xe的内容源;与所述内容源相关联的密钥生成器，包括产生第一分组密钥信息的所述加密和分组密钥算法，关键信息到所述第一CDN1，优选地到与所述CDN1相关联的第一安全模块; 基于所述加密内容项Xe，所述解密算法D和所述第一分组密钥信息，生成部分解密的内容项; 以及将所述部分解密的内容项发送到所述内容接收实体。

4. 发明申请

WO2011092244A1 METHOD, SYSTEM AND DEVICE FOR SYNCHRONIZATION OF MEDIA STREAMS 审中-公开
标题翻译：用于媒体流同步的方法，系统和设备
公开(公告)号：WO2011092244A1
公开(公告)日：2011-08-04
申请号：PCT/EP2011/051143
申请日：2011-01-27
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , VAN DEVENTER, Mattijs Oskar , STOKKING, Hans Maarten , WALRAVEN, Fabian Arthur , NIAMUT, Omar Aziz
发明人： VAN DEVENTER, Mattijs Oskar , STOKKING, Hans Maarten , WALRAVEN, Fabian Arthur , NIAMUT, Omar Aziz
IPC分类号： H04L29/06
CPC分类号： H04L65/605 , H04L65/607 , H04L65/80
摘要： Methods and systems for synchronizing a first and second media stream are describe, wherein said first and second media stream are being transmitted by at least one media source in a network via a first and second media path to one or more terminals. The method comprises: measuring timing information associated with arrival times of media packets in said first and second media stream using a measuring module positioned at a first location in said first and second media paths; in said network generating buffer instructions for at least one buffer on the basis of said timing information, said buffer being positioned at a second location in at least one of said first or second media path; and, delaying one or more media packets transmitted over said media path to said one or more terminals such that arrival times of media packets at said one or more terminals are substantially synchronized.
摘要翻译：描述用于同步第一和第二媒体流的方法和系统，其中所述第一和第二媒体流由网络中的至少一个媒体源经由第一和第二媒体路径发送到一个或多个终端。该方法包括：使用位于所述第一和第二媒体路径中的第一位置处的测量模块来测量与所述第一和第二媒体流中的媒体分组的到达时间相关联的定时信息; 在所述基于所述定时信息的所述网络产生用于至少一个缓冲器的缓冲器指令中，所述缓冲器位于所述第一或第二媒体路径中的至少一个中的第二位置; 并且将通过所述媒体路径发送的一个或多个媒体分组延迟到所述一个或多个终端，使得所述一个或多个终端处的媒体分组的到达时间基本上同步。

5. 发明申请

WO2009080345A1 METHOD AND SYSTEM FOR TRANSMITTING A MULTIMEDIA STREAM 审中-公开
标题翻译：用于传输多媒体流的方法和系统
公开(公告)号：WO2009080345A1
公开(公告)日：2009-07-02
申请号：PCT/EP2008/011014
申请日：2008-12-22
申请人： KONINKLIJKE KPN N.V. , TNO , STOKKING, Hans Maarten , VAN DEVENTER, Mattijs Oskar , WALRAVEN, Fabian Arthur , NIAMUT, Omar Aziz
发明人： STOKKING, Hans Maarten , VAN DEVENTER, Mattijs Oskar , WALRAVEN, Fabian Arthur , NIAMUT, Omar Aziz
IPC分类号： H04L29/06
CPC分类号： H04L29/06517 , H04L29/08522 , H04L65/1006 , H04L65/1016 , H04L65/103 , H04L65/104 , H04L65/1069 , H04L65/4076 , H04L65/608 , H04L69/08
摘要： A method is described for transmitting a multimedia stream from a first end-terminal to a second end-terminal. The first and second end-terminal are connected to at least one gateway for enabling the multimedia stream to be transmitted from the first end-terminal to the second end-terminal. The method comprising the steps of: the first end-terminal inviting the gateway to set up a first multimedia session between the first end-terminal and the gateway, the first multimedia session being controlled by a first protocol; the gateway notifying - in response to the invitation - the second end-terminal of the pending invitation; the second end-terminal setting up - in response to the notification - a second multimedia session between the second end-terminal and the gateway, the second multimedia session being controlled by a second protocol; the gateway setting up - in response to the invitation -the first multimedia session; and transmitting a multimedia stream from the first end-terminal to the second end-terminal. The first protocol may be SIP, the second protocol may be RTSP.
摘要翻译：描述了一种将多媒体流从第一终端发送到第二终端的方法。第一和第二终端连接到至少一个网关，用于使多媒体流能够从第一终端发送到第二终端。所述方法包括以下步骤：所述第一终端邀请所述网关在所述第一终端与所述网关之间建立第一多媒体会话，所述第一多媒体会话由第一协议控制; 网关通知 - 响应邀请 - 待处理邀请的第二个终端; 所述第二终端设置响应于所述通知，在所述第二终端与所述网关之间的第二多媒体会话，所述第二多媒体会话由第二协议控制; 网关设置 - 响应邀请 - 第一个多媒体会话; 以及将多媒体流从第一终端发送到第二终端。第一协议可以是SIP，第二协议可以是RTSP。

6. 发明申请

WO2012168356A1 LOCATING AND RETRIEVING SEGMENTED CONTENT 审中-公开
标题翻译：定位和检索已分配的内容
公开(公告)号：WO2012168356A1
公开(公告)日：2012-12-13
申请号：PCT/EP2012/060791
申请日：2012-06-07
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , BRANDENBURG VAN, Ray , DEVENTER, van, Mattijs Oskar , NIAMUT, Omar Aziz
发明人： BRANDENBURG VAN, Ray , DEVENTER, van, Mattijs Oskar , NIAMUT, Omar Aziz
IPC分类号： H04L29/06 , H04L29/08 , H04W4/02
CPC分类号： H04L67/18 , H04L65/4084 , H04L65/605 , H04L67/2842
摘要： Methods and systems are described for retrieving segmented content originating from two or more content delivery networks. The method may comprise the steps of: retrieving a manifest file template associated with said segmented content comprising one or more pointers to database entries of said first content location database; using said one or more database entries for determining a location of a delivery node in said first or second content delivery network, said delivery node being configured for delivering a segment associated with said database entry; and, generating a manifest file for locating said segmented content by replacing pointers with said determined locations.
摘要翻译：描述用于检索源自两个或更多个内容传送网络的分段内容的方法和系统。该方法可以包括以下步骤：检索与所述分段内容相关联的清单文件模板，其包括一个或多个指向所述第一内容位置数据库的数据库条目的指针; 使用所述一个或多个数据库条目来确定所述第一或第二内容递送网络中的递送节点的位置，所述递送节点被配置为递送与所述数据库条目相关联的片段; 并且通过用所述确定的位置替换指针来生成用于定位所述分段内容的清单文件。

7. 发明申请

WO2011018368A1 DYNAMIC RTCP RELAY 审中-公开
标题翻译：动态RTCP继电器
公开(公告)号：WO2011018368A1
公开(公告)日：2011-02-17
申请号：PCT/EP2010/061135
申请日：2010-07-30
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , STOKKING, Hans, Maarten , WALRAVEN, Fabian, Arthur , NIAMUT, Omar, Aziz , VAN DEVENTER, Mattijs, Oskar
发明人： STOKKING, Hans, Maarten , WALRAVEN, Fabian, Arthur , NIAMUT, Omar, Aziz , VAN DEVENTER, Mattijs, Oskar
IPC分类号： H04L29/06 , H04L29/08 , H04L29/12
CPC分类号： H04L67/16 , H04L65/1016 , H04L65/4084 , H04L65/608 , H04L65/80 , H04L67/2819
摘要： A method and a system for dynamically relaying RTCP messages associated with one or more RTP streams is described. Each RTP stream is associated with a media session and with a sender node (MF) and one or more receiver nodes (UE). The method comprises the steps of : assigning at least one control node (MSAS) to at least one RTP stream; providing (4) a receiver node associated with said RTP stream with the address of said control node, said address being provided to said receiver node in a session control protocol message or an HTTP message and being different than the address of the associated sender node; and, said receiver node sending (8) receiver RTCP messages to said control node, using said address comprised in said session control protocol message or HTTP message.
摘要翻译：描述了用于动态中继与一个或多个RTP流相关联的RTCP消息的方法和系统。每个RTP流与媒体会话以及与发送者节点（MF）和一个或多个接收器节点（UE）相关联。该方法包括以下步骤：将至少一个控制节点（MSAS）分配给至少一个RTP流; 提供（4）与所述RTP流相关联的接收器节点与所述控制节点的地址，所述地址在会话控制协议消息或HTTP消息中提供给所述接收器节点，并且不同于相关联的发送方节点的地址; 并且所述接收机节点使用包含在所述会话控制协议消息或HTTP消息中的所述地址向所述控制节点发送（8）接收机RTCP消息。

8. 发明申请

WO2008119510A3 METHOD AND SYSTEM FOR SPEECH QUALITY PREDICTION OF THE IMPACT OF TIME LOCALIZED DISTORTIONS OF AN AUDIO TRASMISSION SYSTEM 审中-公开
标题翻译：用于语音质量预测的方法和系统对音频传输系统的时间局部失真的影响
公开(公告)号：WO2008119510A3
公开(公告)日：2008-12-31
申请号：PCT/EP2008002472
申请日：2008-03-28
申请人： KONINKL KPN NV , TNO , BEERENDS JOHN GERARD , VAN VUGT JEROEN MARTIJN , BANGMA MENNO , NIAMUT OMAR AZIZ , BUSZ BARTOSZ
发明人： BEERENDS JOHN GERARD , VAN VUGT JEROEN MARTIJN , BANGMA MENNO , NIAMUT OMAR AZIZ , BUSZ BARTOSZ
IPC分类号： G10L19/00 , G10L25/69 , H04M3/22
CPC分类号： G10L25/69 , H04M3/2236
摘要： Method and processing system for establishing the impact of time response distortion of an input signal which is applied to an audio transmission system (10) having an input and an output. A processor (11) is connected to the audio transmission system (10) for receiving the input signal (X(t)) and the output signal (Y(t)), and the processor (11) is arranged for outputting a time response degradation impact quality score. The processor (11) executes preprocessing of the input signal (X(t)) and output signal (Y(t)) to obtain pitch power densities (PPX(f)n, PPY(f)n) comprising pitch power density values for cells in the frequency (f) and time (n) domain, calculating a pitch power ratio function (PPR(f)n) of the pitch power densities for each cell, and determining a time response distortion quality score (MOSTD) indicative of the transmission quality of the system (10) from the pitch power ratio function (PPR(f)n).
摘要翻译：用于确定施加到具有输入和输出的音频传输系统（10）的输入信号的时间响应失真的影响的方法和处理系统。处理器（11）连接到用于接收输入信号（X（t））和输出信号（Y（t））的音频传输系统（10），并且处理器（11）被布置用于输出时间响应退化影响品质分数。处理器（11）执行输入信号（X（t））和输出信号（Y（t））的预处理，以获得包括间距功率密度值（PPX（f）n，PPY（f）n）计算频率（f）和时间（n）域中的单元，计算每个单元的音调功率密度的音调功率比函数（PPR（f）n），以及确定表示该单元的时间响应失真质量得分（MOSTD）从音调功率比函数（PPR（f）n）的系统（10）的传输质量。

9. 发明申请

WO2008119510A2 METHOD AND SYSTEM FOR SPEECH QUALITY PREDICTION OF THE IMPACT OF TIME LOCALIZED DISTORTIONS OF AN AUDIO TRASMISSION SYSTEM 审中-公开
标题翻译：用于语音质量预测的方法和系统对音频传输系统的时间局部失真的影响
公开(公告)号：WO2008119510A2
公开(公告)日：2008-10-09
申请号：PCT/EP2008/002472
申请日：2008-03-28
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , BEERENDS, John, Gerard , VAN VUGT, Jeroen, Martijn , BANGMA, Menno , NIAMUT, Omar, Aziz , BUSZ, Bartosz
发明人： BEERENDS, John, Gerard , VAN VUGT, Jeroen, Martijn , BANGMA, Menno , NIAMUT, Omar, Aziz , BUSZ, Bartosz
IPC分类号： G10L19/00
CPC分类号： G10L25/69 , H04M3/2236
摘要： Method and processing system for establishing the impact of time response distortion of an input signal which is applied to an audio transmission system (10) having an input and an output. A processor (11) is connected to the audio transmission system (10) for receiving the input signal (X(t)) and the output signal (Y(t)), and the processor (11) is arranged for outputting a time response degradation impact quality score. The processor (11) executes preprocessing of the input signal (X(t)) and output signal (Y(t)) to obtain pitch power densities (PPX(f) n , PPY(f) n ) comprising pitch power density values for cells in the frequency (f) and time (n) domain, calculating a pitch power ratio function (PPR(f) n ) of the pitch power densities for each cell, and determining a time response distortion quality score (MOSTD) indicative of the transmission quality of the system (10) from the pitch power ratio function (PPR(f) n ).
摘要翻译：用于建立施加到具有输入和输出的音频传输系统（10）的输入信号的时间响应失真的影响的方法和处理系统。处理器（11）连接到用于接收输入信号（X（t））和输出信号（Y（t））的音频传输系统（10），并且处理器（11）被布置为输出时间响应降解影响质量得分。处理器（11）执行输入信号（X（t））和输出信号（Y（t））的预处理以获得音调功率密度（PPX（f），PPY（f）包括在频率（f）和时间（n）域中的单元的音调功率密度值，计算音调功率比函数（PPR（f） N）并且根据音调功率比函数（PPR（f））来确定表示系统（10）的传输质量的时间响应失真质量得分（MOSTD）。

10. 发明申请

WO2012168365A1 SPATIALLY-SEGMENTED CONTENT DELIVERY 审中-公开
标题翻译：空间分配内容交付
公开(公告)号：WO2012168365A1
公开(公告)日：2012-12-13
申请号：PCT/EP2012/060801
申请日：2012-06-07
申请人： KONINKLIJKE KPN N.V. , NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO , VAN DEVENTER, Mattijs, Oskar , NIAMUT, Omar, Aziz , HAVEKES, Anton , PRINS, Martin , VAN BRANDENBURG, Ray
发明人： VAN DEVENTER, Mattijs, Oskar , NIAMUT, Omar, Aziz , HAVEKES, Anton , PRINS, Martin , VAN BRANDENBURG, Ray
IPC分类号： H04N21/4728 , H04N7/24 , H04L29/06 , H04N21/218
CPC分类号： H04N21/234363 , H04L29/06 , H04L65/4084 , H04L67/18 , H04N21/218 , H04N21/2356 , H04N21/440263 , H04N21/4728 , H04N21/6587
摘要： Methods and systems are described for processing spatially segmented content originating from a content delivery network. One method comprises a client in a media processing device receiving a spatial manifest information comprising one or more spatial representations of a source stream, each spatial representation identifying one or more spatial segment streams, location information for locating one or more delivery nodes in said content delivery network and, optionally, position information for stitching spatial segment frames in said segment streams into a video frame for display; selecting one or more spatial segment streams and on the basis of said spatial manifest information requesting at least one delivery node in said content delivery network to transmit said one or more selected spatial segment streams to said client; and, receiving said one or more selected spatial segment streams from said at least one delivery node.
摘要翻译：描述了用于处理源自内容传送网络的空间分段内容的方法和系统。一种方法包括媒体处理设备中的客户端，其接收包括源流的一个或多个空间表示的空间清单信息，标识一个或多个空间段流的每个空间表示，用于在所述内容传递中定位一个或多个递送节点的位置信息网络和可选的位置信息，用于将所述段流中的空间段帧拼接成用于显示的视频帧; 选择一个或多个空间段流，并且基于所述空间清单信息，请求所述内容传送网络中的至少一个传送节点将所述一个或多个所选空间段流发送到所述客户端; 以及从所述至少一个递送节点接收所述一个或多个所选择的空间分段流。

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