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I.S. EN 60856:1993

Current

Current

The latest, up-to-date edition.

PRE-RECORDED OPTICAL REFLECTIVE VIDEODISK SYSTEM 'LASER VISION' 50 HZ/625 LINES - PAL

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1993

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

FOREWORD
PREFACE
INTRODUCTION
SECTION ONE - GENERAL
1 Scope
2 Object
3 Standard atmospheric conditions for testing
SECTION TWO - DISK PARAMETERS
4 Mechanical parameters
5 Optical requirements
6 Temperature and humidity requirements
SECTION THREE - RECORDED PARAMETERS
7 Audio parameters
   7.1 Channel applications
   7.2 Audio subcarrier modulation of main carrier
8 Audio subcarrier frequencies
   8.1 Type of modulation
   8.2 Polarity of modulation
   8.3 Pre-emphasis
   8.4 Audio compression
9 Video parameters
   9.1 Video signal
   9.2 Video signal modulation
10 Vertical interval control and address signals
   10.1 24-bit biphase coded signal
SECTION FOUR - OPERATIONAL SIGNALS
11 Definition of playback measurement system
   11.1 Optical stylus
   11.2 Measuring set-up
   11.3 General measurement conditions
12 Operational parameters
   12.1 Radial signal
   12.2 Tangential signal
   12.3 High-frequency signal
13 Implementation of a digital audio signal
   13.1 Signal modulation
   13.2 Sample frequency
   13.3 Compensation of time delay
   13.4 Analogue audio subcarriers
   13.5 Control and display of the compact disk
        system (subcode)
Figures
APPENDIX A - List of abbreviations
APPENDIX B - Audio compression system
APPENDIX C - Programme status code

Applicable to pre-recorded optical reflective videodisks compatible with 50 Hz/625 lines CCIR monochrome and colour coding PAL systems, and defines those parameters that effect the interchangeability of the disks, excluding limitations of the programming material and source.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
150
PublisherName
National Standards Authority of Ireland
Status
Current

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