IEC 62702-1-2:2017
(Main)Audio archive system - Part 1-2 : BD disk and data migration for long-term audio data storage
Audio archive system - Part 1-2 : BD disk and data migration for long-term audio data storage
IEC 62702-1-2:2017(E) specifies a method of data-quality assurance for writable disks which are specified for long-term data storage, and a data migration method, which can sustain the recorded data on disks for long-term audio data preservation. The writable disks include Blu-ray Disk (BD) Recordable disk and BD Rewritable disk.
This document specifies the physical and logical aspects for a standard of audio archives of various storage types which are typically used for audio archives in markets.
The IEC 62702 series consists of:
- IEC 62702-1, which specifies the minimum requirements on physical aspects of optical disks for digital sound recordings; IEC 62702-1-1 specifies requirements for DVD optical disks, IEC 62702-1-2 specifies requirements for BD optical disks.
- IEC 62702-2, which specifies the minimum requirements for digitization of content, format of digitized content, content information and media inspection.
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IEC 62702-1-2 ®
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
colour
inside
Audio archive system –
Part 1-2: BD disk and data migration for long-term audio data storage
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IEC 62702-1-2 ®
Edition 1.0 2017-11
INTERNATIONAL
STANDARD
colour
inside
Audio archive system –
Part 1-2: BD disk and data migration for long-term audio data storage
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.160.30; 35.220.30 ISBN 978-2-8322-4919-2
– 2 – IEC 62702-1-2:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 8
3.2 Abbreviated terms . 9
4 Disk and lifetime for long term audio data storage . 9
4.1 Disk for long term audio data storage . 9
4.2 Lifetime estimation . 9
4.3 B Life for long-term audio data storage . 10
mig
4.4 Estimated lifetime rank and display colour . 11
4.4.1 Estimated lifetime rank and display colour identification . 11
4.4.2 B Life and display colour indication on disks and packages . 11
mig
5 Test condition, test methods and disks for audio data migration . 11
5.1 Ambient conditions for testing . 11
5.2 Test methods . 11
5.2.1 General . 11
5.2.2 Max RSER . 11
5.2.3 Test area of recorded disk . 11
5.3 Test drive calibration. 11
6 Test result evaluation . 12
6.1 Initial performance test result evaluation . 12
6.2 Periodic performance test evaluation . 12
6.3 Reporting items. 13
6.3.1 Initial performance test result . 13
6.3.2 Periodic performance test result . 13
6.4 Management of reporting items . 13
6.5 Test and migration intervals . 13
7 Prevention of deterioration . 14
Annex A (informative) Guideline of usage and indication . 15
A.1 Usage of lifetime rank . 15
A.2 Lifetime rank indication and place . 15
A.2.1 Lifetime rank indication . 15
A.2.2 Indication example . 15
Annex B (informative) Recommendations on handling, storage and cleaning conditions
for BD writable disks . 16
B.1 Handling . 16
B.2 Storage . 16
B.3 Cleaning . 17
Annex C (informative) Causes of deterioration for BD disks for long-term data storage . 18
C.1 Deterioration . 18
C.2 Disk structure. 18
C.3 Causes of deterioration . 18
C.4 Nature of deterioration . 19
C.5 Effects of deterioration . 19
C.6 Unexpected deterioration . 19
Bibliography . 20
Figure 1 – Data migration flow for the initial and the periodic performance tests . 13
Figure A.1 – Lifetime rank indication example . 15
Table 1 – Category of initial recording performance . 12
Table 2 – Category of recording performance at periodic performance . 12
Table B.1 – Recommended conditions for general storage . 16
Table B.2 – Recommended conditions for controlled storage . 16
– 4 – IEC 62702-1-2:2017 © IEC 2017
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
AUDIO ARCHIVE SYSTEM –
Part 1-2: BD disk and data migration for long-term audio data storage
FOREWORD
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International Standard IEC 62702-1-2 has been prepared by technical area 6: Storage media,
storage data structures, storage systems and equipment, of IEC technical committee 100:
Audio, video and multimedia systems and equipment.
The text of this International Standard is based on the following documents:
CDV Report on voting
100/2894/CDV 100/2970/RVC
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
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