Patent ID: 6778761
Filing Date: 2004-08-17
Classification: G11B,H04N

Abstract:
An information record medium, on which record information to be reproduced by a reproducing apparatus comprising at least a detection means for detecting said record information recorded on said information record medium and a reproduction processing means for performing a reproduction processing of said detected record information is recorded, wherein:the record information is quantized by 8Ã—n (n is a natural number equal to or more than 2) bits at every quantization timing; the 8Ã—n bit quantized record information is divided into (i) upper 8Ã—m (m(i) an upper bit quantized record information block including a plurality of upper bit quantized record information corresponding to consecutive timings and (ii) a lower bit quantized record information block including a plurality of lower bit quantized record information corresponding to the same consecutive quantization timings are multiplexed adjacent to each other.