Source: Official Press Release from Sony Computer Entertainment Inc.
UMD™ (UNIVERSAL MEDIA DISC) APPROVED BY ECMA INTERNATIONAL AS INDUSTRY STANDARD
Tokyo, June 24, 2005 – Sony Computer Entertainment Inc. (SCEI) announced today that UMD™ (Universal Media Disc) has been approved by Ecma International (Ecma), as an industry standard for optical discs.
Ecma, based in Geneva, Switzerland, is an international association setting
industry standards and is known for its long history in standardizing optical discs. Ecma approved the physical layer format* (1) of UMD as Standard ECMA-365, at the General Assembly held on June 21st, 2005, in Amsterdam, the Netherlands. It will then be submitted to the Joint Technical Committee (JTC 1), a technical committee jointly established by ISO (International Organization for Standardization) and IEC (International Electrotechnical Commission), and will go through the fast-track procedure for approval as an ISO/IEC JTC 1 standard by the ISO/IEC member countries.
UMD is a compact (60mm in diameter) but large capacity universal disc medium
introduced by the Sony Group, offering up to 1.8GB in storage capacity. UMD provides multiple logical layers* (2) within its physical format, according to the different types of content.
To date, more than 90 titles have been released as PSP® Game software enjoyed on PlayStation®Portable (PSP®), and a host of exciting movie and music video titles have also become available as UMD Video software, throughout Japan, North America and Asia.
UMD Approved by ECMA International as Industry Standard
*1) Physical layer format: specifies the physical characteristics such as shape, dimension, thickness, quality of recorded signals of a disc.
*2) Logical layer format: specifies the framework for implementing protocols such as codec (video/audio signal processing) and security technology on a physical disc. ECMA-365 has approved the physical layer of UMD, but not the logical layer.
About Sony Computer Entertainment Inc.
Recognized as the global leader and company responsible for the progression of consumer-based computer entertainment, Sony Computer Entertainment Inc. (SCEI) manufacturers, distributes and markets the PlayStation® game console, the PlayStation®2 computer entertainment system and the PlayStation®Portable
(PSP®) handheld entertainment system. PlayStation has revolutionized home entertainment by introducing advanced 3D graphic processing, and PlayStation 2 further enhances the PlayStation legacy as the core of home networked entertainment. PSP is a new portable entertainment system that allows users to enjoy 3D games, with high-quality full-motion video, and high-fidelity stereo audio. SCEI, along with its subsidiary divisions Sony Computer Entertainment America Inc., Sony Computer Entertainment Europe Ltd., and Sony Computer Entertainment Korea Inc. develops, publishes, markets and distributes software, and manages the third party licensing programs for these platforms in the respective markets worldwide. Headquartered in Tokyo, Japan, Sony Computer Entertainment Inc. is an independent business unit of the Sony Group.
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PlayStation, the PlayStation logo and PSP are registered trademarks and UMD is a trademark of Sony Computer Entertainment Inc.
Data Interchange on 60 mm Read-Only ODC - Capacity: 1,8 Gbytes (UMDTM)
(June 2005)
This Ecma Standard specifies the mechanical, physical and optical characteristics of a 60 mm, read-only ODC having a maximum capacity of 1,8 Gbytes. It specifies the physical format, the quality of the recorded signals, the format of the data and its modulation method, thereby allowing for information interchange by means of such ODCs.
This Ecma standard specifies two types of ODCs, Type A and Type B.
Type A: Single layer disk with maximum recorded capacity of 0,9 G-bytes
Type B: Dual layer disk with maximum recorded capacity of 1,8 G-bytes
Information interchange between systems also requires, at a minimum, agreement between the interchange parties upon the interchange code(s) and the specifications of the structure and labeling of the information on the interchanged ODCs.
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Ishiyoshi
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Discuss accordingly.
Source: Official Press Release from Sony Computer Entertainment Inc.
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