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    • 11. 发明授权
    • Information recording/reproduction device and information recording medium
    • 信息记录/再现装置和信息记录介质
    • US08369689B2
    • 2013-02-05
    • US11795293
    • 2006-01-12
    • Yukitaka ShimizuYoshihiro OkadaKenichiro TadaKyoichi TeraoYasuaki YamadaJunji ShiokawaYuichi Kanai
    • Yukitaka ShimizuYoshihiro OkadaKenichiro TadaKyoichi TeraoYasuaki YamadaJunji ShiokawaYuichi Kanai
    • H04N9/80
    • H04N5/76G11B20/00086G11B20/0021G11B20/00492G11B27/034G11B27/105G11B27/329H04N5/781H04N5/85H04N9/8205
    • There is provided an information recording medium that reduces operation of shifting information backward or putting information forward closer together upon recording/deleting/dividing information to facilitate processes of recording/deleting/dividing information. An information recording medium records Programs 1 composed of image data, etc., UPGR 3 that refers to at least a part of the Programs 1, PGRG 5 that refers to the UPGR 3, a PGRM that collectively records the UPGR 3 and reference information thereof, and a PGRGM that collectively records the PGRG 5 and reference information thereof. When recording the UPGR 3, the information recording medium refers to the reference information contained in the PGRM, and when invalid reference information or reference information giving no reference to any UPGR 3 is present, records the UPGR 3 using the reference information. When recording the PGRG 5, the information recording medium refers to the reference information contained in the PGRGM, and when invalid reference information or reference information giving no reference to any PGRG 5 is present, records the PGRG 5 using the reference information.
    • 提供了一种信息记录介质,其在记录/删除/分割信息时减少向后移位信息或将信息向前靠近的操作,以便于记录/删除/分割信息的处理。 信息记录介质记录由图像数据等构成的程序1,参照程序1的至少一部分,参照UPGR 3的PGRG 5的UPGR3,共同记录UPGR3的PGRM及其参考信息 ,以及共同记录PGRG 5及其参考信息的PGRGM。 当记录UPGR3时,信息记录介质参考包含在PGRM中的参考信息,并且当存在不参考任何UPGR 3的无效参考信息或参考信息时,使用参考信息记录UPGR 3。 当记录PGRG 5时,信息记录介质参考包含在PGRGM中的参考信息,并且当存在不参考任何PGRG 5的无效参考信息或参考信息时,使用参考信息记录PGRG 5。
    • 18. 发明授权
    • Apparatus for recording and/or reproducing variable bit rate data
    • 用于记录和/或再现可变比特率数据的装置
    • US5872933A
    • 1999-02-16
    • US652716
    • 1996-05-30
    • Yuichi KanaiKazuya Ogawa
    • Yuichi KanaiKazuya Ogawa
    • G11B19/12G11B20/10G11B27/32G11B27/36H04N5/85H04N9/804H04N9/82G06F13/00
    • G11B20/10527G11B19/12G11B27/329G11B27/36H04N9/8042G11B2220/213G11B2220/2545G11B2220/2562H04N5/85H04N9/8205
    • A recording apparatus includes an MPEG encoder, and compressed data from the MPEG encoder and data of an index (a transfer rate and a necessary memory capacity for the transfer rate, or a transfer rate and a rate difference characteristic) are multiplexed and recorded on an optical disc. In a reproducing apparatus, a bit stream read from the optical disc is converted into variable bit rate data by a CD decoder and a CD-ROM decoder. The variable bit rate data is once stored in a system buffer, and then, supplied to an MPEG decoder from the system buffer. The index is extracted by a microcomputer which determines whether or not it is possible to reproduce the optical disc through comparison of the necessary memory capacity and a capacity of the system buffer. If not reproduced, the optical disc is ejected. In a case of simple reproduction, data stored in an output buffer is repeatedly outputted during a time that an operation of the MPEG decoder is suspended.
    • 记录装置包括MPEG编码器和来自MPEG编码器的压缩数据和索引数据(传输速率和传输速率所需的存储容量,传输速率和速率差特性)被多路复用并记录在 光盘。 在再现装置中,从光盘读取的比特流由CD解码器和CD-ROM解码器转换成可变比特率数据。 可变比特率数据一次存储在系统缓冲器中,然后从系统缓冲器提供给MPEG解码器。 通过微型计算机提取索引,该微型计算机通过比较必要的存储器容量和系统缓冲器的容量来确定是否可以再现光盘。 如果不再现,则弹出光盘。 在简单再现的情况下,存储在输出缓冲器中的数据在MPEG解码器的操作被暂停的时间内被重复地输出。