Patent ID: 6282155
Filing Date: 2001-08-28
Classification: G11B,H04N

Abstract:
A signal recording/playback method for inserting an additional signal part into a signal previously recorded as a plurality of signal parts on a recording medium such that continuous playback of said signal with said additional signal part without a playback time break is ensured; said additional signal part having a length less than a predetermined playback time length determined on the basis of read buffer memory availability and required seek time of said recording medium; said method comprising the steps of:locating a non-recorded area on said recording medium having a size of at least said predetermined playback time length;recording said additional signal part in said non-recorded area;re-recording a portion of the next signal part of said signal to be reproduced during playback into the remainder of said non-recorded area; anddetermining the length of a remaining portion of the next signal part, that was not re-recorded, and if said remaining portion has a length less than said predetermined playback time length, then locating another non-recorded area on said recording medium having a size of at least said predetermined playback time length; recording said remaining portion of the next signal part into the non-recorded area; re-recording a portion of another next signal part of said signal to be reproduced during playback into the remainder of said non-recorded area; and repeating said determining step until said remaining portion has a length of at least said predetermined playback time length.