发明名称 |
Apparatus and method for providing plural pictures while searching a recording medium whereon a compressed picture signal is recorded |
摘要 |
A method and apparatus for reproducing pictures from a recording medium in search mode wherein each picture is recorded in the recording medium in the form of a coded signal. The coded signal is coded in either an intra-picture coding mode or an inter-picture coding mode. The coded signal of a picture coded in the intra-picture coding mode is an I-picture; the coded signal of a picture coded in the inter-picture coding mode with only forward prediction is a P-picture; and the coded signal of a picture coded in the inter-picture coding mode with bidirectional prediction is a B-picture. The pictures are reproduced from a read position on the recording medium. To provide an increased number of pictures in search mode, the read position is changed to a first read position, and an I-picture is immediately reproduced from the recording medium at the first read position. Then, at least one B-picture or one P-picture is immediately reproduced from the recording medium following the I-picture. Finally, the I-picture and the at least one B-picture or P-picture is decoded to provide an output signal for display.
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申请公布号 |
US5504585(A) |
申请公布日期 |
1996.04.02 |
申请号 |
US19930125685 |
申请日期 |
1993.09.22 |
申请人 |
SONY CORPORATION |
发明人 |
FUJINAMI, YASUSHI;VELTMAN, MARKUS H. |
分类号 |
G11B20/12;G06T9/00;G11B27/034;G11B27/10;G11B27/11;G11B27/32;G11B27/34;H04B14/04;H04J3/22;H04N5/781;H04N5/783;H04N5/85;H04N5/92;H04N5/926;H04N7/24;H04N7/32;H04N7/52;(IPC1-7):H04N5/76;H04N5/78 |
主分类号 |
G11B20/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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