发明名称 VIDEO SIGNAL ENCODER AND VIDEO SIGNAL RECORDER
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a device for recording on a recording medium for a long time by improving an image on a part where there is little motion even if an encoded amount is reduced when inputting video images of a plurality of channels and compression-encoding for recording on the medium. <P>SOLUTION: Video signals of a plurality of input channels are converted into a series of video signals, arranged for each channel into unit of a predetermined number of frames, and compression-encoded in the unit of the predetermined number of frames. When setting image quality, an encoded amount of a reference image is made constant for encoding, and the encoded amount of a differential image is modified. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p>
申请公布号 JP2005184419(A) 申请公布日期 2005.07.07
申请号 JP20030421951 申请日期 2003.12.19
申请人 HITACHI LTD 发明人 FUJII HIROMASA;TSUGI YASUSHI;SATO YUJI
分类号 H04N5/915;H04N7/18;H04N19/102;H04N19/115;H04N19/134;H04N19/157;H04N19/172;H04N19/189;H04N19/50;H04N19/503;(IPC1-7):H04N7/32 主分类号 H04N5/915
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