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Technology Stocks : C-Cube -- Ignore unavailable to you. Want to Upgrade?

To: John Rieman who wrote (29548)	2/17/1998 7:45:00 AM
From: CPAMarty	Respond to of 50808

New Technologies: DVD+RW ita.sel.sony.com Sony has always provided the most innovative solutions for personal and network storage needs. Sony continues its history of innovation with the announcement of DVD+RW, a phase-change rewritable DVD technology that is backward compatible with virtually all of your existing CD and DVD products. Sony expects to have this technology available for purchase by the general public in the Summer of 1998. Below is the preliminary information on this newest technology from Sony. DVD+RW Technology Sony, co-developer of the original Compact Disc, continues to lead the way in optical technology. Sony knows that future technology is as important to you as protecting your past investments in earlier technology. After consulting with many key stakeholders including end users, PC manufacturers, CD-ROM and DVD-ROM drive manufacturers, software developers and media manufacturers; Sony developed a rewritable DVD technology. We call the drive DVD+RW and the media +RW. DVD+RW uses a Phase-Change Rewritable format that provides a 3.0 GB capacity, rewritability and most importantly, it is backward compatible with virtually all written CD formats. With the creation of DVD+RW technology, users will have an easy upgrade path from CD while protecting their past investments. The new DVD+RW drive will give users the high capacity they need, the exceptional multimedia performance they require, the backwards compatibility they demand and the reliability they expect. DVD+RW TECHNOLOGY HIGHLIGHTS Backwards Compatibility with CD Formats The rewritable capability is simply an extension onto the familiar DVD-ROM format. The DVD+RW drive offers the user full read and write backward compatibility with CD formats including CD-ROM, CD-R, CD-RW, CD-audio and video, DVD-ROM and even DVD-video discs. The DVD+RW drive is the natural extension of CD technology. ReWritable Feature The DVD+RW drive allows the user to read, write, erase and rewrite to a 3.0 GB +RW disc. The new format adds only minimal features to the existing DVD-ROM spec to allow random rewritability, thus allowing DVD-ROM drives to read +RW discs at low cost to DVD-ROM manufacturers. High Capacity Storage (3.0 GB, CAV Mode) The 3.0 GB capacity can be used for network archiving, high capacity data distribution or multimedia storage among many other uses. The DVD+RW drive offers high performance in addition to the +RW media. In the Constant Angular Velocity (CAV) mode, the high-performance random-access and transfer rates are achieved by using techniques similar to those used in hard disk drives. Familiar Format +RW media has the familiar look and feel of a CD or DVD-ROM disc. Since +RW media uses the exact same method to write the address and clock signal as DVD-ROM, future DVD-ROM drives can easily and cost effectively be made to read +RW discs. The +RW disc is as robust as a CD or DVD-ROM disc against dust, fingerprints or scratches. DVD+RW SYSTEM FEATURES The DVD+RW system has the capability of providing CD-ROM, CD-R, CD-RW, CD-audio and video, DVD-ROM, DVD-video and +RW disc compatibility. The CAV mode is the same as DVD-ROM. The read/write speed is equal or greater than the DVD-ROM CLV speed. The standard 5.25-inch form factor is used for the DVD+RW System. REWRITABLE FORMAT SPECIFICATIONS Disk Diameter: 120 mm Disk Thickness: 0.6 mm x 2 Physical Address: FM modulated in CAV wobble groove Track Pitch: 0.8 m (micrometer) Formatted Capacity: 3.0 GB/side Laser Wavelength: 650 nm Modulation Code: 8-16 modulation (2, 10) RLL Recording Principle: Mark-edge recording on phase-change material Writing Method: Zoned CAV Written Format: CLD (Constant Linear Density) c 1997 Sony Electronics Inc. Reproduction in part or in whole without written permission is prohibited. All rights reserved. Sony and Storage by Sony are trademarks of Sony. Nonmetric weights and measurements are approximate. Features and specifications subject to change without notice. AV Computing \| Displays \| Imaging \| Sony VAIO PCs \| Storage Products \| Support \| Technology \| Community Sony Computing \|\| Sony Electronics \|\| Sony Online Copyright 1995-1998 Sony Electronics Inc. All rights reserved.