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Signal Processing of the Compact-Cassette Digital Recorder

The signal-processing techniques for compact-cassette digital recording are of interest to those concerned with consumer audio equipment. A cassette digital tape recorder using a metal-evaporated tape has been developed together with a high-density ferrite head having 12 tracks of 120-µm track width and 0.3 µm gap length per channel. Specially designed digital signal-processing circuits include circuits for signal generation, modulation, error correction, and signal control. The digital modulation scheme called FEM-4 is a new and key item of the design. The practical design and system concepts are outlined.

Authors: Sakamoto, Naraji; Kogure, Takuyo; Shimbo, Masatoshi; Komae, Hitoshi
Affiliation: Acoustic Research Laboratory, Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka, Japan
JAES Volume 32 Issue 9 pp. 647-658; September 1984 Import into BibTeX

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