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1. 发明专利

JP2011015243A Playback apparatus and playback method 审中-公开
标题翻译：播放装置和播放方法
公开(公告)号：JP2011015243A
公开(公告)日：2011-01-20
申请号：JP2009158298
申请日：2009-07-02
申请人： Panasonic Corp , パナソニック株式会社
发明人： NAGAHARA KOSAKU , MIZOBUCHI YUKI , SAKATA NAOKI
IPC分类号： H04N5/76 , H04N5/44 , H04N5/92 , H04N7/173 , H04N19/00 , H04N19/132 , H04N19/156 , H04N19/172 , H04N19/177 , H04N19/196 , H04N19/44 , H04N19/587 , H04N21/442
摘要： PROBLEM TO BE SOLVED: To provide a playback apparatus which achieves power saving according to a decoding amount.SOLUTION: On the basis of remaining power of a battery 110 and information on video images obtained from video encoded data, the number of decimated frames, which shows the number of encoded frames not to be decoded, of the predetermined number of encoded frames included in the video encoded data, is calculated by a power saving information calculation section 160. A playback control section 170 causes a decoder 180 to carry out decode processing for decoding the other encoded frames than the encoded frames as many as the number of decimated frames, of the predetermined number of encoded frames.
摘要翻译：要解决的问题：提供一种根据解码量实现省电的播放装置。解决方案：基于电池110的剩余电力和从视频编码数据获得的视频图像的信息，抽取帧数，其中示出了包括在视频编码数据中的预定数量的编码帧的未被解码的编码帧的数量由功率保存信息计算部分160计算。重放控制部分170使解码器180执行解码处理用于解码比预定数量的编码帧的抽取帧数多的编码帧的其它编码帧。

2. 发明专利

JP2009105684A Moving image decoder 审中-公开
标题翻译：移动图像解码器
公开(公告)号：JP2009105684A
公开(公告)日：2009-05-14
申请号：JP2007275705
申请日：2007-10-23
申请人： Panasonic Corp , パナソニック株式会社
发明人： SAKATA NAOKI , NISHIMURA KENGO
IPC分类号： H04N5/92 , G11B20/10 , H04N5/93 , H04N19/00 , H04N19/423 , H04N19/44 , H04N19/70
CPC分类号： H04N21/2389 , G11B27/105 , G11B27/3027 , G11B2220/2516 , G11B2220/2541 , H04N5/85 , H04N21/431 , H04N21/4341 , H04N21/4385
摘要： PROBLEM TO BE SOLVED: To simultaneously decode a plurality of moving image streams, and to apply seamless reproducing process to the plurality of moving image streams.
SOLUTION: This moving image decoder 100 is provided with a dummy packet inserting part 105A for inserting a dummy packet 221 into a boundary between sections TS1 and TS2 of a moving picture stream 131; a DEMUX part 106 for dividing a moving image stream 132, with the dummy packet 221 inserted thereinto into video streams 133 and 135, and sound streams 134 and 136; a seamless detecting part 107 for detecting that the position where the dummy packet 221 is inserted is a boundary between the video streams 133 and 135 and the sound streams 134 and 136; and a decoding part 109 for decoding the video streams 133 and 135 and the audio streams 134 and 136 and performing seamless reproducing proocessing of the boundary detected by the seamless detecting part 107.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：同时解码多个运动图像流，并对多个运动图像流进行无缝再现处理。解决方案：该运动图像解码器100设置有用于将虚拟分组221插入到运动图像流131的部分TS1和TS2之间的边界中的虚拟分组插入部分105A; DEMUX部分106，用于将运动图像流132分割成虚拟分组221插入到视频流133和135以及声音流134和136中; 用于检测插入虚拟分组221的位置的视频流133和135与声音流134和136之间的边界的无缝检测部分107; 以及解码部分109，用于对视频流133和135以及音频流134和136进行解码，并且执行由无缝检测部分107检测到的边界的无缝再现处理。（C）2009年，JPO和INPIT

3. 发明专利

JP2009111932A Moving image decoding device 审中-公开
标题翻译：移动图像解码设备
公开(公告)号：JP2009111932A
公开(公告)日：2009-05-21
申请号：JP2007284562
申请日：2007-10-31
申请人： Panasonic Corp , パナソニック株式会社
发明人： IKEUCHI YOHEI , NISHIMURA KENGO , SAKATA NAOKI , KAWAMURA SHOJI
IPC分类号： H04N19/00 , H04N19/102 , H04N19/136 , H04N19/146 , H04N19/152 , H04N19/159 , H04N19/166 , H04N19/172 , H04N19/196 , H04N19/42 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/65 , H04N19/67 , H04N19/70 , H04N19/89
CPC分类号： H04N19/42 , H04N19/44 , H04N21/2365 , H04N21/4347 , H04N21/44
摘要： PROBLEM TO BE SOLVED: To provide a moving image decoding device which can perform decoding in time sharing without making as extra vacant time as possible by utilizing a decoder fully. SOLUTION: The moving image decoding device includes a buffer memory 202 which accumulates moving image streams from a plurality of channels, a video decoder 204 which decodes the moving image streams of the plurality of channels read out from the buffer memory 202, a frame buffer 206 which stores the moving image data of the moving image streams of the plurality of channels decoded by the video decoder 204, a display control portion 207 which reads out the moving image data stored in the frame buffer 206 and outputs the moving image data in a moving image signal, and a decode control portion 208 which changes the supply of moving image stream of the channels from the buffer memory 202 to the video decoder 204, thereby, allowing the video decoder 204 to perform decoding in time sharing. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种运动图像解码装置，其能够通过充分利用解码器而尽可能地进行尽可能多的空闲时间而在时间上进行解码。解决方案：运动图像解码装置包括：累积来自多个通道的运动图像流的缓冲存储器202，解码从缓冲存储器202读出的多个通道的运动图像流的视频解码器204，帧缓冲器206，其存储由视频解码器204解码的多个频道的运动图像流的运动图像数据;显示控制部207，其读出存储在帧缓冲器206中的运动图像数据，并输出运动图像数据在运动图像信号中，以及解码控制部分208，其改变从缓冲存储器202向视频解码器204提供的信道的运动图像流，从而允许视频解码器204在时间共享中进行解码。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009111531A High-speed playback device 审中-公开
标题翻译：高速回放装置
公开(公告)号：JP2009111531A
公开(公告)日：2009-05-21
申请号：JP2007279566
申请日：2007-10-26
申请人： Panasonic Corp , パナソニック株式会社
发明人： KAWAMURA SHOJI , SUMIYOSHI TADASHI , SAKATA NAOKI , NISHIMURA KENGO
IPC分类号： H04N5/93 , G11B20/10 , G11B27/10 , H04N5/76 , H04N5/91
CPC分类号： G11B27/105 , G11B27/007 , G11B27/322 , H04N5/783 , H04N19/132 , H04N19/137 , H04N19/172 , H04N19/44
摘要： PROBLEM TO BE SOLVED: To perform high-speed playback even on a stream not including a B-picture, at a set playback speed without depending on the decode performance of a decoder and a codec type. SOLUTION: A high-speed playback device 100 performs a high-speed playback by skipping decoding of pictures constituting a moving image stream, and includes: a playback speed setting unit 110 for setting a playback speed of the moving image stream; a skipping proportion determination unit 111 for determining a skipping proportion that is a picture proportion to be skipped, according to the playback speed; a skip control unit 112 for specifying pictures to be skipped, according to the skipping proportion; and a video decoder 104 for decoding pictures according to instructions from the skip control unit 112. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使在不包括B图像的流中，以设定的回放速度进行高速播放，而不依赖于解码器和编解码器类型的解码性能。解决方案：高速播放设备100通过跳过构成运动图像流的图像的解码来执行高速播放，并且包括：重放速度设置单元110，用于设置运动图像流的回放速度; 跳过比例确定单元111，用于根据播放速度确定作为要跳过的图像比例的跳过比例; 跳过控制单元112，用于根据跳过比例指定要跳过的图片; 以及用于根据来自跳过控制单元112的指令对图像进行解码的视频解码器104.版权所有（C）2009，JPO＆INPIT

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