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    • 95. 发明申请
    • METHOD FOR TRANSPORTING DIGITAL MEDIA
    • 运输数字媒体的方法
    • WO2006110960A1
    • 2006-10-26
    • PCT/AU2006/000538
    • 2006-04-21
    • NATIONAL ICT AUSTRALIA LIMITEDAIDAN, WilliamsVARUNI, Witana
    • AIDAN, WilliamsVARUNI, Witana
    • H04L12/54H04L29/06
    • H04J3/0661H04J3/0632H04J3/0667H04L7/0025H04L9/12H04L29/06027H04L29/0854H04L43/106H04L65/60H04L65/602H04L65/80H04L67/1095H04N21/2381H04N21/242H04N21/4305
    • A networked system is provided for transporting digital media packets, such as audio and video. The network (100) includes network devices (108, 110, 111) interconnected to send and receive packets. Each network device can receive and/or transmit media signals from media devices (112, 114). A master clock generates a system time signal (104) that the network devices (108, 110, 111) use together with a network time protocol (120) to generate a local clock signal (126, 218) that is synchronised to the system time signal (104) for both rate and offset. The local clock signal (126, 128) governs both the rate and offset of the received or transmitted media signals. In a further aspect the invention concerns a method of operating the data network or network devices and software for performing the method, for instance on a personal computer. The system, which can be implemented using conventional network equipment enables media signals to be transported to meet quality and timing requirements for high quality audio and video reproduction.
    • 提供用于传输数字媒体分组(例如音频和视频)的网络系统。 网络(100)包括互连以发送和接收分组的网络设备(108,110,111)。 每个网络设备可以从媒体设备(112,114)接收和/或发送媒体信号。 主时钟产生系统时间信号(104),网络设备(108,110,111)与网络时间协议(120)一起使用以产生与系统时间同步的本地时钟信号(126,218) 信号(104)用于速率和偏移。 本地时钟信号(126,128)控制接收或发送的媒体信号的速率和偏移。 在另一方面,本发明涉及操作数据网络或网络设备和软件的方法,用于执行该方法,例如在个人计算机上。 可以使用常规网络设备实现的系统使得媒体信号能够被传输以满足用于高质量音频和视频再现的质量和时序要求。
    • 96. 发明申请
    • METHOD OF AND DEVICE FOR SYNCHRONIZING MULTIPLE INPUT STREAMS
    • 用于同步多个输入流的方法和装置
    • WO2006072853A1
    • 2006-07-13
    • PCT/IB2005/054354
    • 2005-12-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.DE LANGE, Alphonsus, A., J.SNIJDER, Freddy
    • DE LANGE, Alphonsus, A., J.SNIJDER, Freddy
    • H04N7/24
    • H04N21/23412H04N21/232H04N21/234318H04N21/2368H04N21/242H04N21/4307H04N21/4622
    • A method of synchronizing multiple input streams (In-I, In-2, In-3 ... In-N) fed to separate input channels, wherein the input streams comprising packets (IPlO, IPl 2; IP20; IP30; IPNO) that contain time codes (T+0, T+2; T+2; T+l; T+3), comprises the steps of: allocating memory space in a buffer array (2) for assembly packets (AP), wherein each assembly packet (AP) is identified by a specific time code (T+0 to T+3), which time code is associated with an address of the allocated memory space; for each input channel, reading the packets arriving at said input channel, checking their time codes and writing each packet into a specific part of a respective one of the assembly packets (AP), wherein the specific part is determined by the address associated with the time code of the packet and by an offset from said address, which offset depends on the channel number of the respective input channel; reading the assembly packets (AP) from the buffer array and outputting them in chronological order.
    • 一种将馈送到分离的输入通道的多个输入流(In-1,In-2,In-3 ... In-N)同步的方法,其中包括分组(IP10,IP2; IP20; IP30; IPNO) 包含时间码(T + 0,T + 2; T + 2; T + 1; T + 3)的步骤包括以下步骤:为汇编包(AP)的缓冲器阵列(2)分配存储器空间, 组装分组(AP)由特定时间码(T + 0至T + 3)标识,该时间码与所分配的存储器空间的地址相关联; 对于每个输入通道,读取到达所述输入通道的分组,检查其时间代码并将每个分组写入相应的一个组装分组(AP)的特定部分,其中特定部分由与 分组的时间码和来自所述地址的偏移,该偏移取决于相应输入信道的信道号; 从缓冲区数组中读取汇编数据包(AP),并按时间顺序输出它们。