SN EN 60856 : 1993 AMD 2 1997
Current
The latest, up-to-date edition.
PRE-RECORDED OPTICAL REFLECTIVE VIDEODISK SYSTEM "LASER VISION" 50 HZ/625 LINES
12-01-2013
Cooperating organizations
National foreword
Foreword
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
Figures
Appendix A - List of abbreviations
Appendix B - Audio compression system
Appendix C - Programme status code
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references
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