ISO_IEC_10149_1995E.pdf

INTERNATIONAL STANDARD ISO/IEC 10149 Second edition 1995-07-15 Information technology-Data interchange on read-only 120 mm Optical data disks(CD-ROM)Technologies de I informa tion-khange de donnbes sur des disques optiques de diametre 120 mm 5 lecture unique(CD-ROM)ISO/IEC 10149:1995(E)Contents Page 1 Scope 2 Conformance 3 Normative references 4 Definitions 4.1 Audio Track 4.2 concentricity 4.3 Control byte 4.4 Digital Data Track 4.5 Fl-Frame 4.6 F,-Frame 4.7 F,-Frame 4.8 Information Area 4.9 Information Track 4.10 Physical Track 4.11 radial acceleration 4.12 radial x-unout 4.13 Section 4.14 Seetor 4.15 User Data Area 5 Environments 5.1 Testing environments 5.1.1 Optical stylus 5.1.2 Clamping 5.1.3 Normal testing environment 5.1.4 Restricted testing environment 5.2 Operating environment 5.3 Storage environment 6 Inflammabilitv 0 ISO/IEC 1995 All rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized in any form or by any means,electronie or mechanical,including photocopying and microfilm,without Permission in writing from the publisher 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 ISO/IEC Copyright Office l Case postale 56 l CH-121 1 Geneve 20 l Switzerland Printed in Switzerland o ISO/IEC ISOAEC10149:1995(E)7 Material 8 Mechanical,physical and dimensional characteristics 8.1 Reference planes 8.2 Centre hole 8.3 First transition area 8.4 Clamping area 8.5 Second transition area 8.6 Information Area 8.7 Rim area 8.8 General remarks 9 Mechanical deflection of the entrance surface 10 Deflection of the reflective layer 7 11 Physical Track geometry 11.1 Physical Track shape 11.2 Direction of rotation 11.3 Physical Track pitch 11.4 Scanning velocity 11.5 Radial r-unout of tracks 8 12 Optical read System 12.1 HF Signal 8 12.2 Modulation amplitude 12.3 Symmetry 12.4 Cross talk 12.5 Quality of the HF Signal 12.5.1 Position jitter of the Charme1 bits 12.5.2 Specification of random errors 12.5.3 Specification of burst errors 12.6 Radial track-following Signal 9 12.6.1 Magnitude 9 12.6.2 Defects 10 13 General aspects of recording 15 13.1 Information Tracks 15 13.2 Bit coding 15 15 14 Seetors of a Digital Data Track 14.1 Sync field 16 14.2 Header field 16 14.3 EDC field 17 14.4 Intermediate field 17 14.5 P-Parity field 17 14.6 Q-Parity field 17 15 Scrambling ISO/IEC 10149:1995(E)o ISO/IEC 16 F,-Frames 17 CIRC encoding-F2-Frames 18 Control Bytes-F3-Frames and Sections 19 Recording of the F3-Frames on the disk 19.1 8-to-14 Encoding 19.2 Sync Header 19.3 Merging Channel bits 19.4 Charme1 Frame 20 Track structure of the Information Area 20.1 Lead-in Area 20.2 User Data Area 20.3 Lead-out Area 21 Addressing System in the Information Area 22 Specification of the Control bytes of Digital Data Tracks 22.1 Setting of r-channel to w-channel 22.2 Setting of the p-channel 22.3 Setting of the q-channel 22.3.1 Control field 22.3.2 q-Mode field 22.3.3 q-Mode 1-q-Data Field in the User Data Area and in the Lead-out Area 22.3.4 q-Mode 1-q-Data field in the Lead-in Area 22.3.5 q-Mode 2-q-Data field in the Information Area 22.3.6 CRC field Annexes A-Error correction encoding by RSPC B-Scrambler C-Error correction encoding by CIRC D-g-bit to 14-Channel bit conversion E-Merging bits F-Storage tests 17 17 18 18 18 18 18 18 19 19 19 19 19 20 20 21 21 21 21 22 23 24 24 25 29 30 36 38 39 iv 0 ISOnEC ISO/IEC 10149:1995(E)Foreword ISO(the International Organization for Standardization)and IEC(the Inter-national Electrotechnical Commission)form the specialized System for worldwide standardization.National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity.ISO and IEC technical committees collaborate in fields of mutual interest.Other international organizations,governmental and non-governmental,in liaison with ISO and IEC,also take part in the work.In the field of information technology,ISO and IEC have established a joint technical committee,ISO/IEC JTC 1.Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting.Publication as an International Standard requires approval by at least 75%of the national bodies casting a vote.International Standard ISO/IEC 10149 was prepared by the European Association for Standardizing Information and Communication Systems(as ECMA-130)and was adopted,under a special“fast-track procedure”,by Joint Technical Committee ISO/IEC JTC 1,Information technology,Subcommittee SC 23,Optical disk cartridges for information interchange,in parallel with its approval by national bodies of ISO and IEC.This second edition cancels and replaces the first edition(ISOKIEC 10149:1989),which has been technically revised.Annexes A to E form an integral part of this International for information only.Standard.Annex F is This page intentionally left blank INTERNATIONAL STANDARD I