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发明公开
CN102349307A 拼接系统 有权

拼接系统
摘要：
一种用于从第一(14)音频/视频序列切换到第二(16)音频/视频序列的系统，第二序列(16)包括拼接点时间戳(12)，该系统包括：存储第一序列的磁盘(18)、将第二序列作为直播音频/视频进行接收的接收机、对来自所述磁盘(18)的第一序列(14)中的至少一些和来自接收机的第二序列(16)中的至少一些进行解复用的解复用器排列(24)(其中，对第一序列进行足够快的解复用，使得第二序列(16)的解复用能够在所述拼接点时间戳(12)之前的多个帧开始)、用于从解复用器排列(24)接收第一序列(14)的解复用的音频/视频和第二序列(16)的至少一部分的解复用的音频/视频以进行存储的缓冲器(28、30)、以及对缓冲器(28、30)中存储的解复用的音频/视频进行解码(其包括对第一序列(14)进行解码，随后从拼接点时间戳(12)对第二序列(16)进行解码)的解码器(34、36)。此外，还描述了有关的装置和方法。
摘要（英）：

A system for switching from a first (14) to a second (16) audio/video sequence, the second sequence (16) including a splice point time stamp (12), the system including a disk (18) to store the first sequence (14), a receiver to receive the second sequence as live audio/video, a demultiplexer arrangement (24) to demultiplex at least some of the first sequence (14) from the disk (18) and the second sequence (16) from the receiver, demultiplex the first sequence fast enough so that the demultiplexing of the second sequence (16) can commence a number of frames prior to the splice point time stamp (12), a buffer (28,30)to receive for storage from the demultiplexer arrangement (24), the demultiplexed audio/video of the first sequence (14) and at least part of the second sequence (16), and a decoder (34,36) to decode the demultiplexed audio/video stored in the buffer (28,30); including decoding the first sequence (14) and then the second sequence (16) from the splice point time stamp (12). Related apparatus and methods are also described.

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