Patent ID: 7136572
Filing Date: 2006-11-14
Classification: G11B,H04N

Abstract:
1. A recording apparatus having a first recording mode for recording additional information in a cyclic manner in a unit of m tracks, m being an integer of 2 or greater, and recording an encoded image signal on n×m tracks per one frame, n being an integer of 1 or greater, and a second recording mode for recording the additional information and the encoded image signal on n×m/2 tracks per one frame, said apparatus newly recording an image signal onto a recording medium on which the encoded image signal is recorded in the second recording mode, said apparatus comprising: encoding means for encoding an input image signal; additional information generation means for generating the additional information; recording means for recording the image signal encoded by said encoding means and the additional information generated by said additional information generation means onto the recording medium; control means for controlling the recording means to start recording from a track at a head of the n×m tracks on which the image signal for two frames is recorded, in the case where the image signal and the additional information are newly recorded in said second recording means onto the recording medium; and reproduction means for reproducing the image data and the additional information from the recording medium, wherein said control means determines recording start timing based on only the additional information reproduced by the reproduction means.