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    • 2. 发明授权
    • Video signal reproducing apparatus capable of reproducing bitstreams and video signal reproducing method
    • 能够再现比特流和视频信号再现方法的视频信号再现装置
    • US06647202B1
    • 2003-11-11
    • US09362972
    • 1999-07-29
    • Ryoji YamaguchiMakoto MeiarashiMasaru Iwasa
    • Ryoji YamaguchiMakoto MeiarashiMasaru Iwasa
    • H04N5783
    • H04N9/8042H04N5/85H04N9/8063H04N9/8205H04N9/8227
    • A video signal reproduction apparatus is provided for reproducing a multiplexed encoded stream including audio data, video data, sub-picture data, and additional information digitally encoded and multiplexed on a packet-by-packet basis. The multiplexed encoded stream includes a plurality of packs, each of the plurality of packs including at least one packet, the at least one packet including a packet header and packet encoded data. The packet encoded data includes at least one of packet audio encoded data, packet video encoded data, packet sub-picture encoded data, and packet navigation encoded data. The packet audio encoded data forms sub-picture encoded data, the sub-picture encoded data including a first reproduction unit and a second reproduction unit. The first reproduction unit includes a first unit header, first encoded bit map data, and first display control information, and the second reproduction unit includes a second unit header, second encoded bit map data, and second display control information. The video signal reproduction apparatus includes: an input processing section for adding a next-sub-picture reproduction unit pointer to the first reproduction unit; and a sub-picture decoder for decoding the sub-picture encoded data based on the next-sub-picture reproduction unit pointer added to the first reproduction unit.
    • 视频信号再现装置被提供用于再现包括音频数据,视频数据,子图像数据的多路复用编码流,以及逐个数据包的数字编码和复用的附加信息。 复用的编码流包括多个包,多个包中的每个包包括至少一个包,所述至少一个包包括包头和包编码数据。 分组编码数据包括分组音频编码数据,分组视频编码数据,分组子图像编码数据和分组导航编码数据中的至少一个。 分组音频编码数据形成副图像编码数据,子图像编码数据包括第一再现单元和第二再现单元。 第一再现单元包括第一单元标题,第一编码位图数据和第一显示控制信息,第二再现单元包括第二单元标题,第二编码位图数据和第二显示控制信息。 视频信号再现装置包括:输入处理部分,用于将下一副图像再现单元指针附加到第一再现单元; 以及副图像解码器,用于基于添加到第一再现单元的下一子图像再现单元指针来解码子图像编码数据。