发明名称 DIGITAL SIGNAL RECORDING APPARATUS AND METHOD, AND DIGITAL SIGNAL PLAYBACK APPARATUS AND METHOD
摘要 <P>PROBLEM TO BE SOLVED: To optionally set a playback speed and to achieve smooth trick play regarding a digital broadcast recording and playback apparatus in which coded video data of a digital broadcast are recorded on a recording medium so as to perform trick play such as fast forwarding. <P>SOLUTION: Before recording on a recording medium, picture class information is analyzed by transport stream packet, then added to a transport stream and recorded on the recording medium. Otherwise, information of correspondence between picture class analysis information and a recording position of the transport stream packet on the recording medium is recorded at a position different from a transport stream recording position. Only a specific picture is played back in accordance with such picture class information, thereby achieving trick play such as fast forwarding. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010028821(A) 申请公布日期 2010.02.04
申请号 JP20090198234 申请日期 2009.08.28
申请人 MITSUBISHI ELECTRIC CORP 发明人 SHIRASUGA KEIICHI
分类号 H04N5/92;G11B20/10;G11B20/12;H04N5/91 主分类号 H04N5/92
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