Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1997/11/25 Vol. E80-ANo. 11pp. 2225-2231 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Source Coding Keyword: universal d-semifaithful code, rate distortion function, rate redundancy, n-type, d-ball covering,