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1.发明授权Method and device for reading MPEG recorded data transmitted on an IEEE 1394 bus 有权用于读取在IEEE 1394总线上发送的MPEG记录数据的方法和装置公开(公告)号：US07577339B2
公开(公告)日：2009-08-18
申请号：US10332428
申请日：2001-07-16
摘要： The process is characterized in that it comprises: a step of reading tags recorded together with the packets, these tags defining the instants of arrival of the data packets to be recorded, on the basis of a tagging clock (8), a step of comparing the tags with values counted (9) on the basis of a transfer clock (8) for determining the instants of transfer on the bus of the data read from the record carrier, the frequencies of operation of the said tagging and transfer clocks being such that the maximum deviation between these frequencies, added to the maximum drift of the MPEG system clock, is, in proportion to the nominal values, of the order of or less than the drift of the system clock specified in the standard. Application to the storage of MPEG data.
摘要翻译： 该过程的特征在于它包括：读取与分组一起记录的标签的步骤，这些标签基于标记时钟（8）定义要记录的数据分组的到达时刻，比较步骤 基于用于确定总线上从记录载体读取的数据的传输时刻的传送时钟（8）计数值（9）的标签，所述标记和传送时钟的操作频率使得 与MPEG系统时钟的最大漂移相加的这些频率之间的最大偏差与标准中指定的系统时钟的漂移的顺序成正比。 应用于存储MPEG数据。
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2.发明授权Method and device for video data transmission for implementing special modes 失效用于实现特殊模式的视频数据传输方法和装置公开(公告)号：US07539213B2
公开(公告)日：2009-05-26
申请号：US10521384
申请日：2003-07-11
IPC分类号： H04L12/28
CPC分类号： H04N5/783 , H04N5/765 , H04N5/775 , H04N9/8042 , H04N9/8063 , H04N21/42607 , H04N21/4305 , H04N21/43615 , H04N21/43622 , H04N21/43632 , H04N21/6143 , H04N21/6587
摘要： The invention concerns a method comprising a step which consists in comparing a label to a value counted from a transfer clock to define the transfer time on the bus of a packet read on a recording medium. The invention is characterized in that for implementing a special mode or trick mode, it further comprises the following steps: calculating a difference between two consecutive packets based on the values of recorded labels; calculating an offset value based on said difference and parameters received on the bus defining the special mode; adding said offset value to the label value of the transmitted packet to obtain a new label value defining the transfer time on the bus of the following packet to be transmitted. The invention is applicable to the storage of MPEG data.
摘要翻译： 本发明涉及一种方法，其包括步骤：将标签与从传送时钟计数的值进行比较，以定义在记录介质上读取的分组的总线上的传送时间。 本发明的特征在于，为了实现特殊模式或特技模式，它还包括以下步骤：基于记录的标签的值计算两个连续分组之间的差异; 基于在所述总线上接收到的所述差异和定义所述特殊模式的参数来计算偏移值; 将所述偏移值添加到所发送的分组的标签值，以获得定义要发送的以下分组的总线上的传送时间的新标签值。 本发明适用于MPEG数据的存储。
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公开(公告)号：US20060104310A1
公开(公告)日：2006-05-18
申请号：US10521384
申请日：2003-07-11
IPC分类号： H04H1/04
CPC分类号： H04N5/783 , H04N5/765 , H04N5/775 , H04N9/8042 , H04N9/8063 , H04N21/42607 , H04N21/4305 , H04N21/43615 , H04N21/43622 , H04N21/43632 , H04N21/6143 , H04N21/6587
摘要： The invention concerns a method comprising a step which consists in comparing a label to a value counted from a transfer clock to define the transfer time on the bus of a packet read on a recording medium. The invention is characterized in that for implementing a special mode or trick mode, it further comprises the following steps: calculating a difference between two consecutive packets based on the values of recorded labels; calculating an offset value based on said difference and parameters received on the bus defining the special mode; adding said offset value to the label value of the transmitted packet to obtain a new label value defining the transfer time on the bus of the following packet to be transmitted. The invention is applicable to the storage of MPEG data.
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公开(公告)号：US07899042B2
公开(公告)日：2011-03-01
申请号：US10517731
申请日：2003-06-05
IPC分类号： H04L12/28
CPC分类号： H04L12/40058 , H04L12/2805 , H04L12/2834 , H04L12/40065 , H04L12/40117
摘要： The invention concerns a communication device including several external data sources, at least a local area network connecting peripherals, means enabling to establish connections between the local area network and the external data sources, means for controlling the incoming data from the external sources and for sending them to the local area network in order to reduce the bandwidth occupation on the local area network. The device also includes means for updating signalization tables included in the incoming data and means for inserting the modified signalization tables in the transport stream sent to the local area network. It is applicable to IEEE 1394 networks.
摘要翻译： 本发明涉及包括几个外部数据源的通信设备，至少连接外围设备的局域网，能够建立局域网与外部数据源之间的连接的装置，用于控制来自外部源的输入数据和发送 他们到局域网，以减少局域网的带宽占用。 该装置还包括用于更新包括在输入数据中的信号表的装置和用于将修改的信号表插入发送到局域网的传输流中的装置。 适用于IEEE 1394网络。
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公开(公告)号：US06948185B1
公开(公告)日：2005-09-20
申请号：US09631808
申请日：2000-08-03
IPC分类号： H04N5/92 , G11B20/10 , H04J3/00 , H04L7/00 , H04N5/93 , H04N7/01 , H04N7/24 , H04N7/26 , H04N7/52 , H04N7/173
CPC分类号： H04N21/4307 , H04N21/2368 , H04N21/238 , H04N21/4305 , H04N21/4341
摘要： A process for synchronizing an MPEG decoder, characterized by the process of calculating an actual instant of presentation Tpres of the video of an image, this instant relating to a local clock LSTC, further calculating an offset STOC between Tpres, being the calculated instant of presentation and the PTS label corresponding to the instant of presentation desired by the coder for the video of this image, so as to define a virtual clock VSTC=STCO+LSTC, the presentation of the video corresponding to this image being made at the PTS dates relating to the virtual clock VSTC, wherein this process relates to satellite decoders, MPEG decoders, as well, as digital TV receivers, utilizing a hard disk for recording coded data.
摘要翻译： 一种用于同步MPEG解码器的过程，其特征在于计算图像的视频的实际表示时间Tpres的过程，该时刻涉及本地时钟LSTC，进一步计算Tpres之间的偏移STOC，作为计算出的呈现时间 以及PTS标签对应于编码器对于该图像的视频所期望的呈现时刻，以便定义虚拟时钟VSTC = STCO + LSTC，在与PTS日期有关的与该图像对应的视频的呈现 虚拟时钟VSTC，其中该处理涉及卫星解码器，MPEG解码器，以及数字TV接收机，利用硬盘记录编码数据。
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公开(公告)号：US07848334B2
公开(公告)日：2010-12-07
申请号：US10459249
申请日：2003-06-11
IPC分类号： H04L12/28
CPC分类号： H04L12/66
摘要： A device is coupled to a first network and a second network and comprises a first storage element and a second storage element. The device stores data packets originating from the first network in the first storage element and stores data packets destined for the second network in the second storage element. In particular, the device slaves the writing of a data packet intended for the second network into the second storage element to the reading of the data packet from the first storage element so that the transfer time inside the device is constant for all the data packets.
摘要翻译： 设备耦合到第一网络和第二网络，并且包括第一存储元件和第二存储元件。 该设备将从第一网络产生的数据包存储在第一存储元件中，并存储第二网络的目的地数据包在第二存储元件中。 具体地，设备从第一存储单元中读取第二网络的数据分组到第二存储单元，使得设备内的传输时间对于所有数据分组是不变的。
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公开(公告)号：US07024610B2
公开(公告)日：2006-04-04
申请号：US10407547
申请日：2003-04-04
IPC分类号： G08C25/02
CPC分类号： H04L1/1657 , H04L1/1671 , H04L1/1806
摘要： A process for transmitting data in a network adapted for isochronous and asynchronous transmissions and comprising a sender and at least one receiver. The process comprises the steps of: opening an isochronous transmission channel between the sender and the receiver; dispatching by the sender through the isochronous channel of a plurality of start of transmission indicator packets until reception of an acknowledgement of receipt on the part of the receiver, following the reception of the acknowledgement of receipt by the sender, dispatching by the sender through the isochronous channel of at least one payload packet; following the detection of the poor reception of a packet, dispatching by the receiver of an error message to the sender; in case of reception by the sender of an error message dispatched by the receiver, resumption of the transmission of payload data onwards of the error; dispatching by the sender through the isochronous channel of an end of message packet following the transmission of all the payload data. The invention also provides a process for receiving data comprising the steps of error detection hereinabove, from the point of view of a receiver, as well as a sending process comprising the steps of dispatching the start of transmission indicator packets and awaiting acknowledgement of receipt indicator packets, from the point of view of a sender.
摘要翻译： 一种用于在适于等时和异步传输的网络中传输数据并包括发送器和至少一个接收器的过程。 该过程包括以下步骤：在发送方和接收方之间打开同步传输信道; 发送方通过多个发送指示符分组的开始的同步信道进行调度，直到接收到接收方的接收确认为止，在接收到发送方的接收确认之后，发送方通过等时调度 至少一个有效载荷分组的信道; 在检测到分组的不良接收之后，接收机向发送方发送错误消息; 在发送方接收到由接收方发送的错误消息的情况下，恢复有效载荷数据向前发送的错误; 在发送所有有效载荷数据之后，发送方通过消息分组结束的等时信道进行调度。 本发明还提供一种从接收机的角度接收包括上述错误检测步骤的数据的过程，以及发送过程，包括以下步骤：发送传输指示符分组的开始并等待接收指示符分组的确认 ，从发件人的角度来看。
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公开(公告)号：US20050226237A1
公开(公告)日：2005-10-13
申请号：US10517731
申请日：2003-06-05
CPC分类号： H04L12/40058 , H04L12/2805 , H04L12/2834 , H04L12/40065 , H04L12/40117
摘要： The invention concerns a communication device comprising: several external data sources, at least a local area network connecting peripherals, means enabling to establish connections between the local area network and the external data sources, means for controlling the incoming data from the external sources and for sending them to the local area network in order to reduce the bandwidth occupation on the local area network. The device comprises also: means for updating signalization tables comprised in the incoming data, means for inserting the modified signalization tables in the stream sent to the local area network. Application to IEEE-1394 networks.
摘要翻译： 本发明涉及一种通信设备，包括：几个外部数据源，至少连接外围设备的局域网，能够建立局域网与外部数据源之间的连接的装置，用于控制来自外部源的输入数据和 将其发送到局域网，以减少局域网的带宽占用。 该装置还包括：用于更新包括在输入数据中的信令表的装置，用于将经修改的信号表插入发送到局域网的流中的装置。 应用于IEEE-1394网络。
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公开(公告)号：US20080010647A1
公开(公告)日：2008-01-10
申请号：US11803212
申请日：2007-05-14
IPC分类号： G06F3/00
CPC分类号： H04L67/1097 , H04L49/90 , H04L69/12
摘要： The invention concerns a network storage device for communicating data between a network and a storage unit. The network storage device comprises an embedded system processor adapted to manage the storage space of the storage unit, an network interface component and a storage unit management processor adapted to organise storage data communication and to communicate storage data. The network storage device is characterised in that the network interface component comprises a hardware processor implemented in dedicated hardware for dedicated hardware processing of data. The network interface component additionally comprises a control data interface and a storage data interface and the storage data interface and the control data interface are completely separated from one another.
摘要翻译： 本发明涉及一种用于在网络和存储单元之间传送数据的网络存储设备。 网络存储设备包括适于管理存储单元的存储空间的嵌入式系统处理器，适于组织存储数据通信和传送存储数据的网络接口组件和存储单元管理处理器。 网络存储设备的特征在于，网络接口组件包括用专用硬件实现的用于数据专用硬件处理的硬件处理器。 网络接口组件还包括控制数据接口和存储数据接口，并且存储数据接口和控制数据接口彼此完全分离。
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公开(公告)号：US20050155084A1
公开(公告)日：2005-07-14
申请号：US10498191
申请日：2002-11-27
IPC分类号： G06F3/06 , G06F12/00 , G06F12/0804 , G06F12/0862 , G06F12/0866 , G06F17/30 , H04N7/16
CPC分类号： G06F3/0601 , G06F12/0804 , G06F12/0862 , G06F12/0866 , G06F16/10 , G06F2003/0697
摘要： The invention concerns a storage device comprising storage means characterized in that it comprises file system manager means for managing the organization of the data stored on the storage means, interface means enabling a host to access the storage means by sending remote procedures calls to the file system means. Application to multimedia terminals and especially to digital television receivers or set-top box.
摘要翻译： 本发明涉及包括存储装置的存储装置，其特征在于它包括用于管理存储在存储装置上的数据的组织的文件系统管理装置，使主机能够通过向文件系统发送远程过程呼叫来访问存储装置的接口装置 手段。 适用于多媒体终端，尤其适用于数字电视接收机或机顶盒。
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