Patent ID: 7689106
Filing Date: 2010-03-30
Classification: G11B,H04N

Abstract:
1. A video or audio recording and reproducing apparatus comprising: an information converter which converts an identical content into video or audio data of a first recording rate and video or audio data of a second recording rate that is different from the first recording rate to be recorded on an optical disk; a recorder which records the video or audio data of the first recording rate and the video or audio data of the second recording rate on the optical disk; and a reproducer which reproduces the video or audio data recorded on the optical disk, wherein when the optical disk has at least three recording layers, then the recorder: records the video or audio data of the first recording rate in a first radial region on a first layer of the optical disk; makes an inter-layer jump to a second layer of the optical disk different from said first layer; records the video or audio data of the second recording rate in the first radial region on said second layer, makes an inter-layer jump to a third layer of the optical disk different from the first and second layers, records the video or audio data of the second recording rate on the third layer in the first radial region, and after recording in the first radial region, records the data of the first recording rate or the second recording rate in a second radial region different from the first radial region.