Method for seamless real-time splitting and concatenating of a data stream
    41.
    发明授权
    Method for seamless real-time splitting and concatenating of a data stream 有权
    无缝实时分割和连接数据流的方法

    公开(公告)号:US07480441B2

    公开(公告)日:2009-01-20

    申请号:US10920609

    申请日:2004-08-18

    IPC分类号: H04N5/92

    摘要: When recording packetized real-time streaming data, e.g. multimedia data, it is in general not possible to know in advance the size of the data stream, and thus the required storage area. Therefore the storage device may be full before the data stream is completely stored. The disclosed method for storing and retrieving the remaining part of the data stream on another storage device uses metadata tags (10,11) and data buffers (IB1,IB2) to split a data stream seamlessly into chunks while recording it, and distribute the chunks in real-time to different connected storage devices (D1,D2), so that the chunks can be seamlessly concatenated again in real-time for replaying the stream. The metadata tags (10,11) contain identifiers for the successive storage node (N2) and/or the preceding storage node (N1) and for the last stored application packet.

    摘要翻译: 当记录分组化的实时流数据时,例如, 多媒体数据,通常不可能预先知道数据流的大小,从而知道所需的存储区域。 因此,在数据流被完全存储之前,存储设备可能已满。 所公开的用于在另一个存储设备上存储和检索数据流的剩余部分的方法使用元数据标签(10,11)和数据缓冲器(IB1,IB2)在记录数据流的同时将数据流无缝地拆分成块,并且分发块 实时地连接到不同的连接存储设备(D1,D2),使得块可以被实时再次无缝连接以重播流。 元数据标签(10,11)包含用于连续存储节点(N2)和/或先前存储节点(N1)和最后存储的应用分组的标识符。

    Method and apparatus for recording on a storage medium or replaying from a storage medium data packets of a transport stream
    42.
    发明授权
    Method and apparatus for recording on a storage medium or replaying from a storage medium data packets of a transport stream 失效
    用于在存储介质上记录或从存储介质重播传输流的数据分组的方法和装置

    公开(公告)号:US07027712B2

    公开(公告)日:2006-04-11

    申请号:US09826972

    申请日:2001-04-05

    IPC分类号: H04N5/76 H04N5/781

    摘要: MPEG2 data streams contain data packets for a set of programs and time stamps for data synchronization purposes. An MPEG2 transport stream is assembled of fixed-length transport packets. The received transport packets of at least one specific program of this set of programs can be stored using for example a DVD Streamer recorder or DVD-RAM recorder. For the real-time playback of recorded specific program data packets each packet needs a separate time stamp. For that reason a timestamp is to be captured for each data packet at recording time. However, capturing of timestamps from a transport stream is a very time consuming action in software implementation processing. Therefore transport stream timestamps are captured for every Nth packet only and the missing timestamps are calculated. Thereby software-processing time is saved for generating the timestamps required for real-time bitstream recording.

    摘要翻译: MPEG2数据流包含用于数据同步目的的一组程序和时间戳的数据分组。 MPEG2传输流由固定长度的传输分组组合。 可以使用例如DVD流式录放机或DVD-RAM记录器来存储该组程序的至少一个特定程序的接收的传送分组。 对于记录的特定程序数据分组的实时回放,每个分组需要单独的时间戳。 因此,在记录时间,每个数据包将捕获时间戳。 然而,从传输流捕获时间戳是软件实现处理中非常耗时的动作。 因此,传输流时间戳仅针对每第N个数据包进行捕获,并计算出缺少的时间戳。 从而节省了软件处理时间,用于生成实时比特流记录所需的时间戳。

    Method for improving quality-of-service management in networks
    43.
    发明申请
    Method for improving quality-of-service management in networks 有权
    改善网络服务质量管理的方法

    公开(公告)号:US20060045100A1

    公开(公告)日:2006-03-02

    申请号:US11215554

    申请日:2005-08-30

    IPC分类号: H04L12/56 H04L12/28

    摘要: A logical quality-of-service management method for peer-to-peer networks uses a special group service for QoS management within peer-groups. This group service determines and assigns a budget per time unit for each peer. Such time unit may be in the range of milliseconds or few seconds. It may also determine a group budget for the peer-group. While a peer uses bandwidth, i.e. while it sends or receives data, its budget is decreased. When a peer has exhausted its budget, it has to lower its priority for transferring or receiving data. Each peer is responsible for keeping its own budget. If a peer does not keep the conditions, other peers may have the right to deny the data transfer from that peer. The QoS service function is advertised in peer-group advertisement messages.

    摘要翻译: 对等网络的逻辑服务质量管理方法使用特殊的组服务进行对等组中的QoS管理。 该组服务确定并为每个对等体分配每个时间单位的预算。 这种时间单位可以在毫秒或几秒的范围内。 它还可以确定对等组的组预算。 虽然对等体使用带宽,即在发送或接收数据时,其预算减少。 当同行用尽预算时,必须降低转移或接收数据的优先级。 每个同行负责保留自己的预算。 如果对等体不能保持条件,其他对等体可能有权拒绝该对等体的数据传输。 QoS服务功能在对等组广告消息中发布。

    Method and device for handling metadata
    44.
    发明申请
    Method and device for handling metadata 失效
    处理元数据的方法和设备

    公开(公告)号:US20060041524A1

    公开(公告)日:2006-02-23

    申请号:US11103133

    申请日:2005-04-11

    IPC分类号: G06F17/30

    摘要: The handling of metadata being provided in different formats shall be simplified. Tehrefore, it is suggested to provide metadata in a first metadata structure having a first format and providing a second metadata structure having a first format and providing a second metadata structure having a second format, wherein link data are deposited in the second metadata structure. The link data point to metadata in the first metadata structure. Thus, it is possible to trealize synchronous and automatic editing of metadata and its mirror metadata.

    摘要翻译: 应简化不同格式提供的元数据处理。 因此,建议在具有第一格式的第一元数据结构中提供元数据,并提供具有第一格式的第二元数据结构,并提供具有第二格式的第二元数据结构,其中链接数据被存储在第二元数据结构中。 链接数据指向第一个元数据结构中的元数据。 因此,可以对元数据及其镜像元数据进行同步和自动编辑。