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    • 5. 发明授权
    • Optical disc recording apparatus, optical disc reproduction apparatus, and optical disc recording method that are all suitable for seamless reproduction
    • 光盘记录装置,光盘再现装置和光盘记录方法都适用于无缝再现
    • US07542663B2
    • 2009-06-02
    • US10887864
    • 2004-07-12
    • Tokuo NakataniHideaki HarumotoKazuhiko NakamuraTomoyuki Okada
    • Tokuo NakataniHideaki HarumotoKazuhiko NakamuraTomoyuki Okada
    • H04N5/76
    • H04N9/8042G11B20/10G11B27/034G11B27/105G11B27/329G11B2020/10592G11B2220/216G11B2220/2562G11B2220/2575H04N5/775H04N9/8063
    • An optical disc recording apparatus including: a receiving unit operable to receive designations from a user, the designations including a recording start designation, a recording end designation, a pause designation, and a pause release designation; an encoding unit operable to generate one video object by compressing audio and video data for a period starting when the receiving unit receives the recording start designation or the pause release designation and ending when the receiving unit receives the pause designation or the recording end designation, where if the receiving unit receives the pause release designation, a video object is generated so that the video object is capable of being seamlessly reproduced with an immediately preceding video object in a reproduction apparatus; a generation unit operable to generate a seamless flag each time a video object is generated, the seamless flag showing whether the video object corresponding to the seamless flag is capable of being seamlessly reproduced with an immediately preceding video object in the reproduction apparatus; and a recording unit operable to record, onto an optical disc, each video object generated by the encoding unit and each seamless flag generated by the generation unit.
    • 一种光盘记录装置,包括:接收单元,用于从用户接收指定,所述指定包括记录开始指定,记录结束指定,暂停指定和暂停释放指定; 编码单元,其可操作以通过在接收单元接收到记录开始指定或暂停释放指定的时间段内压缩音频和视频数据并在接收单元接收到暂停指定或记录结束指定时结束来生成一个视频对象,其中 如果接收单元接收到暂停释放指定,则生成视频对象,使得视频对象能够在再现设备中与紧邻的前一个视频对象无缝再现; 生成单元,其可操作以在每次生成视频对象时产生无缝标志,所述无缝标志表示与所述无缝标记相对应的视频对象是否能够与所述再现设备中的紧邻的先前视频对象无缝再现; 以及记录单元,其可操作以在光盘上记录由编码单元生成的每个视频对象和由生成单元生成的每个无缝标志。
    • 6. 发明授权
    • Optical disc recording apparatus, optical disc reproduction apparatus, and optical disc recording method that are all suitable for seamless reproduction
    • 光盘记录装置,光盘再现装置和光盘记录方法都适用于无缝再现
    • US06782193B1
    • 2004-08-24
    • US09666056
    • 2000-09-20
    • Tokuo NakataniHideaki HarumotoKazuhiko NakamuraTomoyuki Okada
    • Tokuo NakataniHideaki HarumotoKazuhiko NakamuraTomoyuki Okada
    • H04N585
    • H04N9/8042G11B20/10G11B27/034G11B27/105G11B27/329G11B2020/10592G11B2220/216G11B2220/2562G11B2220/2575H04N5/775H04N9/8063
    • An optical disc recording apparatus including: a receiving unit operable to receive designations from a user, the designations including a recording start designation, a recording end designation, a pause designation, and a pause release designation; an encoding unit operable to generate one video object by compressing audio and video data for a period starting when the receiving unit receives the recording start designation or the pause release designation and ending when the receiving unit receives the pause designation or the recording end designation, where if the receiving unit receives the pause release designation, a video object is generated so that the video object is capable of being seamlessly reproduced with an immediately preceding video object in a reproduction apparatus; a generation unit operable to generate a seamless flag each time a video object is generated, the seamless flag showing whether the video object corresponding to the seamless flag is capable of being seamlessly reproduced with an immediately preceding video object in the reproduction apparatus; and a recording unit operable to record, onto an optical disc, each video object generated by the encoding unit and each seamless flag generated by the generation unit.
    • 一种光盘记录装置,包括:接收单元,用于从用户接收指定,所述指定包括记录开始指定,记录结束指定,暂停指定和暂停释放指定; 编码单元,其可操作以通过在接收单元接收到记录开始指定或暂停释放指定的时间段内压缩音频和视频数据并在接收单元接收到暂停指定或记录结束指定时结束来生成一个视频对象,其中 如果接收单元接收到暂停释放指定,则生成视频对象,使得视频对象能够在再现设备中与紧邻的前一个视频对象无缝再现; 生成单元,其可操作以在每次生成视频对象时产生无缝标志,所述无缝标志表示与所述无缝标记相对应的视频对象是否能够与所述再现设备中的紧邻的先前视频对象无缝再现; 以及记录单元,其可操作以在光盘上记录由编码单元生成的每个视频对象和由生成单元生成的每个无缝标志。
    • 7. 发明授权
    • System stream creating apparatus which adjusts system clock reference based on total number of pictures to be stored and decoded during certain time period
    • 系统流创建装置,其基于在特定时间段期间要存储和解码的图像的总数来调整系统时钟参考
    • US06754276B1
    • 2004-06-22
    • US09666102
    • 2000-09-20
    • Hideaki HarumotoTomoyuki OkadaKojiro Kawasaki
    • Hideaki HarumotoTomoyuki OkadaKojiro Kawasaki
    • H04N712
    • H04N21/23406G11B27/034G11B27/3027G11B27/329G11B2220/216G11B2220/2562G11B2220/2575H04N5/85H04N9/8042H04N9/8063H04N21/236H04N21/434H04N21/44004
    • A system stream creating apparatus including: a stream data transfer unit for extracting a piece of picture data having a size of a payload from the video stream data and storing it into a fixed-length pack; a header data generating unit for writing a system clock reference (SCR) in a pack header; a condition judging unit for judging, when the SCR is written, whether a difference between (1) a total number of pieces of picture data to be stored in the video decoder buffer up to the SCR and (2) a total number of pieces of picture data to be decoded by the decoding apparatus up to a unit time before the SCR has reached a predetermined value; and a stop/resume control unit for, when the judgement is positive, causing the header data generating unit not to write the SCR and causing the stream data transfer unit to stop storing the piece of video stream data, and after having done these, causing a time updating unit to update the SCR then causing the condition judging unit to judge, and when the judgement is negative, causing the header data generating unit to write the SCR and causing the stream data transfer unit to resume storing the piece of video stream data.
    • 一种系统流生成装置,包括:流数据传送单元,用于从视频流数据中提取具有有效负载大小的图像数据,并将其存储为固定长度的包; 标题数据生成单元,用于在组标题中写入系统时钟参考(SCR); 条件判断单元,用于当写入SCR时,判断(1)要存储在视频解码器缓冲器中的图像数据的总数与SCR之间的差,以及(2)总数为 在SCR达到预定值之前的单位时间内由解码装置解码的图像数据; 以及停止/恢复控制单元,用于当判断为肯定时,使标题数据生成单元不写入SCR并使流数据传送单元停止存储该视频流数据,并且在完成这些之后,引起 时间更新单元,用于更新SCR,然后使条件判断单元判断,并且当判断为否定时,使标题数据生成单元写入SCR,并使流数据传送单元重新存储该视频流数据 。