High-density optical MUSE disk

Yoichi Tsuchiya; Hitoshi Terasaki; Osamu Ota

doi:10.1117/12.45928

1 July 1991 High-density optical MUSE disk

Yoichi Tsuchiya, Hitoshi Terasaki, Osamu Ota

Proceedings Volume 1499, Optical Data Storage '91; (1991) https://doi.org/10.1117/12.45928
Event: Optical Data Storage, 1991, Colorado Springs, CO, United States

Abstract

A high-definition videodisc with 60 minutes of playback time per side has been developed by doubling the disc recording density and using an optical pick-up employing laser diode with a wavelength of 670 nm. MUSE (Multiple Sub-Nyquist Sampling Encoding) video signal and two kinds of PCM sounds are recorded. In the disc with a linear velocity of 14 m/s and a track pitch of 1.12 micrometers , a playback image without cross-talk noise was obtained. In this paper, the development of a disc recording and playback system, and the optimization of recording conditions, which were carried out to achieve 60 minutes of playback time per side, are described.

Citation Download Citation

Yoichi Tsuchiya, Hitoshi Terasaki, and Osamu Ota "High-density optical MUSE disk", Proc. SPIE 1499, Optical Data Storage '91, (1 July 1991); https://doi.org/10.1117/12.45928

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