Patent ID: 6684026
Filing Date: 2004-01-27
Classification: G11B,H04N

Abstract:
An information recording apparatus for recording information on a disk type recording medium so as to facilitate variable speed reproduction of said information from said disk type recording medium, comprising:an encoder operable to encode an input video signal representative of a plurality of video frames; a controller operable to control said encoder to encode groups of said video frames into respective fixed size data blocks, each one of said groups of video frames including a predetermined number of video frames; and a recording unit operable to record each of said fixed size data blocks into a predetermined integer number of contiguous sectors of said recording medium, said predetermined number of sectors being set according to a level of compression of said video signal, whereby the respective first frames of said data blocks occur at a period equal to said predetermined number of sectors; and whereby said predetermined number of sectors is determined in accordance with a selected recording mode, and for said selected recording mode the number of said predetermined sectors allocated to each said video frame is constant.