Patent ID: 6208803
Filing Date: 2001-03-27
Classification: G11B,H04N

Abstract:
A reproducing apparatus, comprising:(a) reproducing means for reproducing coded image data by a high efficiency coding method and historical information indicating whether the coded image data was concealed at a previous time;(b) error correcting means for correcting a code error in the image data reproduced by said reproducing means, said error correcting means providing error correcting information indicating whether error data which cannot be corrected by said error correcting means is in the image data reproduced by said reproducing means;(c) first concealing means for forming coded image data coded by the high efficiency coding method for the error data according to the error correcting information;(d) decoding means for decoding the coded image data provided by said first concealing means; and(e) second concealing means for forming decoded image data, which has been decoded by said decoding means, for the error data according to the historical information and to the error correcting information,said second concealing means forming the decoded image data for the error data by using decoded image data decoded by said decoding means.