Optical Recording System In Minidisc

Conference Digest Joint International Symposium on Optical Memory and Optical Data Storage 1993 Pub Date : 1993-07-05 DOI:10.1109/OMODS.1993.696709

T. Yoshida

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引用次数: 1

Abstract

The HiniDisc (MD) system 'includes a recordable magneto-optical. (MO) disc for user-recording and a conventional read-only disc for music-software WiniDisc is highly suited for outdoor poxtable applications. By mean8 of audio data Compra88iOn and 8hOCk m8i8tant X Y , Mter the introduction of the compact ~isc, consumers have becoxm accustomed to the bemerit of quick random access w i t h an optical disc system. ZesUlt, the CD has been universally accepted as the standard for high fidelity music playback i n the home. Oa88ette is still widely used in portable outdoor applioations because of its easy handling ,c011p1ctne88 and rooording capability. But sales of cassette tape have been deareasing since 1989 leading Sony t o believe that the compact cassette tape is approaching end of the life. Magneto-optical (MO) disc recording technology has been used for computer data storage system for several years. Based on this technology, we have developed a direct ower-writing system that is capable of the same high recording density as compaat &so. W e have ale0 sucoessfully.de~loped a digital audio canpression system nanrsd AT= (Adaptive ~~ansform Acoustic Coding) that nvkes 74 minutes of digital audio reoording possible on a small 64mn diac. In addition, a shock-reaiatant buffer memory has been incorporated to minimize the effects of shock in portable applications. A8 a On the other hand, the^ compact

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微型光学记录系统

HiniDisc (MD)系统包括一个可记录的磁光系统。(MO)光盘的用户记录和传统的只读光盘的音乐软件WiniDisc是非常适合户外便携式应用。通过音频数据比较和hock播放器xy，随着光盘系统的推出，消费者已经习惯了光盘系统快速随机存取的优点。因此，CD已被普遍接受为家庭高保真音乐播放的标准。Oa88ette仍广泛用于便携式户外应用，因为它易于操作，c011p1ctne88和屋顶能力。但自1989年以来，盒式磁带的销量一直在下降，这导致索尼公司认为，紧凑型盒式磁带即将走到生命的尽头。磁光光盘记录技术应用于计算机数据存储系统已有多年历史。基于这一技术，我们开发了一种具有与compa&so相同的高记录密度的直接书写系统。我们已经成功地开发了一种数字音频压缩系统nrsd AT=(自适应转换声学编码)，它可以在一个小型的64mn刻度盘上录制74分钟的数字音频。此外，一个冲击相关的缓冲存储器已纳入，以尽量减少冲击在便携式应用程序的影响。另一方面，^紧凑

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Digest Joint International Symposium on Optical Memory and Optical Data Storage 1993

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