-
公开(公告)号：US07849384B2
公开(公告)日：2010-12-07
申请号：US12499536
申请日：2009-07-08
IPC分类号： H03M13/00
CPC分类号： H03M13/373 , H04N19/89
摘要： The present disclosure is directed to a system and method of correcting video data errors. In a particular embodiment, the method includes receiving a stream of data packets at a re-generator of an Internet Protocol (IP) video transport stream. The stream of data packets includes a plurality of IP media packets and a plurality of forward error correction (FEC) packets. The method also includes determining an error profile of an error within the plurality of IP media packets. The method includes identifying one of the plurality of FEC packets, where the identified FEC packet is associated with an error correction code corresponding to the error profile. The method also includes selecting an inverse FEC function from a plurality of inverse FEC functions. The selected inverse FEC function corresponds to the identified FEC packet.
摘要翻译： 本公开涉及一种校正视频数据错误的系统和方法。 在特定实施例中，该方法包括在因特网协议（IP）视频传输流的再生成器处接收数据分组流。 数据分组流包括多个IP媒体分组和多个前向纠错（FEC）分组。 该方法还包括确定多个IP媒体分组内的错误的错误简档。 该方法包括识别多个FEC分组中的一个，其中所识别的FEC分组与对应于错误分布的纠错码相关联。 该方法还包括从多个逆FEC功能中选择逆FEC功能。 所选择的逆FEC功能对应于所识别的FEC分组。
-
公开(公告)号：US20090271683A1
公开(公告)日：2009-10-29
申请号：US12499536
申请日：2009-07-08
CPC分类号： H03M13/373 , H04N19/89
摘要： The present disclosure is directed to a system and method of correcting video data errors. In a particular embodiment, the method includes receiving a stream of data packets at a re-generator of an Internet Protocol (IP) video transport stream. The stream of data packets includes a plurality of IP media packets and a plurality of forward error correction (FEC) packets. The method also includes determining an error profile of an error within the plurality of IP media packets. The method includes identifying one of the plurality of FEC packets, where the identified FEC packet is associated with an error correction code corresponding to the error profile. The method also includes selecting an inverse FEC function from a plurality of inverse FEC functions. The selected inverse FEC function corresponds to the identified FEC packet.
摘要翻译： 本公开涉及一种校正视频数据错误的系统和方法。 在特定实施例中，该方法包括在因特网协议（IP）视频传输流的再生成器处接收数据分组流。 数据分组流包括多个IP媒体分组和多个前向纠错（FEC）分组。 该方法还包括确定多个IP媒体分组内的错误的错误简档。 该方法包括识别多个FEC分组中的一个，其中所识别的FEC分组与对应于错误分布的纠错码相关联。 该方法还包括从多个逆FEC功能中选择逆FEC功能。 所选择的逆FEC功能对应于所识别的FEC分组。
-
公开(公告)号：US07577898B2
公开(公告)日：2009-08-18
申请号：US11400908
申请日：2006-04-10
IPC分类号： H03M13/00
CPC分类号： H03M13/373 , H04N19/89
摘要： The present disclosure is directed to a system and method of correcting video data errors. In a particular embodiment, the method includes receiving a plurality of Internet Protocol (IP) video data packets at a generator of a video acquisition system. The method also includes calculating a first error correction code corresponding to a first error profile and generating a first forward error correction (FEC) packet to produce the first error correction code. The method also includes calculating a second error correction code corresponding to a second error profile and generating a second FEC packet to produce the second error correction code. Further, the method includes transmitting a stream of data packets including the plurality of IP video data packets, the first FEC packet and the second FEC packet, to a re-generator of an Internet Protocol video transport system, where an arbitrator of the re-generator identifies an error in the plurality of IP video data packets and selects one of a plurality of inverse FEC functions to correct the error.
摘要翻译： 本公开涉及一种校正视频数据错误的系统和方法。 在特定实施例中，该方法包括在视频采集系统的发生器处接收多个因特网协议（IP）视频数据分组。 该方法还包括计算对应于第一误差分布的第一纠错码并产生第一前向纠错（FEC）包以产生第一纠错码。 该方法还包括计算对应于第二误差分布的第二纠错码并产生第二FEC分组以产生第二纠错码。 此外，该方法包括将包括多个IP视频数据分组，第一FEC分组和第二FEC分组的数据分组流发送到因特网协议视频传输系统的再生成器，其中， 生成器识别多个IP视频数据分组中的错误，并且选择多个逆FEC函数中的一个来校正错误。
-
公开(公告)号：US07937640B2
公开(公告)日：2011-05-03
申请号：US11641988
申请日：2006-12-18
IPC分类号： H03M13/00
CPC分类号： H04L1/0009 , H04L1/0015 , H04L1/0057
摘要： Methods are disclosed for maintaining a quality video stream in Internet Protocol (IP) mode include dynamically adjusting IP packet-loss periods and loss distances between IP packet-loss events.
摘要翻译： 公开了用于在因特网协议（IP）模式下维持质量视频流的方法包括动态地调整IP分组丢失周期和IP分组丢失事件之间的丢失距离。
-
公开(公告)号：US20080148329A1
公开(公告)日：2008-06-19
申请号：US11641988
申请日：2006-12-18
IPC分类号： H04N7/173
CPC分类号： H04L1/0009 , H04L1/0015 , H04L1/0057
摘要： Methods are disclosed for maintaining a quality video stream in Internet Protocol (IP) mode include dynamically adjusting IP packet-loss periods and loss distances between IP packet-loss events.
摘要翻译： 公开了用于在因特网协议（IP）模式下维持质量视频流的方法包括动态地调整IP分组丢失周期和IP分组丢失事件之间的丢失距离。
-
6.发明授权System and method to provide a unified video signal for diverse receiving platforms 有权系统和方法为不同的接收平台提供统一的视频信号公开(公告)号：US07908627B2
公开(公告)日：2011-03-15
申请号：US11158892
申请日：2005-06-22
IPC分类号： H04N7/173
CPC分类号： H04N21/25825 , H04N7/106 , H04N7/163 , H04N21/234327 , H04N21/234363 , H04N21/23439 , H04N21/2393 , H04N21/4353 , H04N21/4358 , H04N21/440227 , H04N21/44029 , H04N21/4408 , H04N21/47202 , H04N21/6334 , H04N21/6336
摘要： A system and method are disclosed for providing a unified video data stream for diverse receiving platforms. In some embodiments, the unified data stream can provide video data to multiple receiving devices with diverse video data input requirements. The communication system can include a digitizer that converts an analog video to a high resolution (HR) digital video signal. The communication system can also include a signal processing engine that receives the HR digital video signal, compress the video signal, creates video packets from the compressed signal, and identifies at least a portion of the video packets for distribution to lower resolution devices. The HR data stream can be sent to high resolution devices wherein the identified packets can be “copied” from the HR data stream and sent to devices having lower resolution requirements.
摘要翻译： 公开了提供用于不同接收平台的统一视频数据流的系统和方法。 在一些实施例中，统一数据流可以向具有不同视频数据输入要求的多个接收设备提供视频数据。 通信系统可以包括将模拟视频转换为高分辨率（HR）数字视频信号的数字转换器。 通信系统还可以包括接收HR数字视频信号的信号处理引擎，压缩视频信号，从压缩信号创建视频分组，并且识别视频分组的至少一部分以分配给较低分辨率的设备。 HR数据流可以发送到高分辨率设备，其中所识别的分组可以从HR数据流“复制”并发送到具有较低分辨率要求的设备。
-
-
-
-
-
搜索结果
6 条记录 (耗时 0.021 秒)
