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    • 1. 发明申请
    • APPARATUS AND METHOD FOR EFFICIENT AV SYNCHRONIZATION
    • 用于高效AV同步的装置和方法
    • US20090074376A1
    • 2009-03-19
    • US11856477
    • 2007-09-17
    • Po-Ting LinShih-Ta Hsu
    • Po-Ting LinShih-Ta Hsu
    • H04N5/91
    • H04N9/8042H04N9/8211
    • An apparatus and a method for an efficient audio/video (AV) synchronization are provided. The apparatus includes a parser, a frame memory, a video start code (VSC) detector and a video decoder. The parser is used for analyzing a packetized elementary stream (PES) and outputting a video stream, an address information and at least one time stamp, in which the video stream includes a frame and at least one VSC corresponding to the frame. The frame memory is used for temporarily storing the video stream according to the address information. The VSC detector is used for retrieving the VSC of the video stream. The video decoder is used for selecting the frame from the frame memory according to the VSC and the address information provided by the VSC detector.
    • 提供了一种用于高效音频/视频(AV)同步的装置和方法。 该装置包括解析器,帧存储器,视频起始码(VSC)检测器和视频解码器。 解析器用于分析分组化基本流(PES)并输出视频流,地址信息和至少一个时间戳,其中视频流包括帧和至少一个对应于该帧的VSC。 帧存储器用于根据地址信息临时存储视频流。 VSC检测器用于检索视频流的VSC。 视频解码器用于根据VSC和由VSC检测器提供的地址信息从帧存储器中选择帧。
    • 3. 发明授权
    • Decoder and operation method thereof
    • 解码器及其操作方法
    • US08498341B2
    • 2013-07-30
    • US11861816
    • 2007-09-26
    • Po-Ting LinShih-Ta Hsu
    • Po-Ting LinShih-Ta Hsu
    • H04B1/66
    • H04N21/435H04N21/235H04N21/4345
    • A decoder and an operation method thereof are provided. The decoder includes a pre-unit, a database, a data filter, and a scheduler. The pre-unit provides packet information of a data stream. The database records a plurality of parameter sets. The scheduler fetches the corresponding parameter sets from the database according to the packet information, and saves the parameter sets into the data filter. The data filter compares the data stream with the saved parameter sets and outputs a comparing result. Therefore, the present invention reduces the cost of the decoder.
    • 提供了解码器及其操作方法。 解码器包括预单元,数据库,数据过滤器和调度器。 预单元提供数据流的分组信息。 数据库记录多个参数集。 调度器根据分组信息从数据库中取出相应的参数集,并将参数集保存到数据过滤器中。 数据过滤器将数据流与保存的参数集进行比较,并输出比较结果。 因此,本发明降低了解码器的成本。