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EN 60774-2 : 2000

Current

Current

The latest, up-to-date edition.

HELICAL-SCAN VIDEO TAPE CASSETTE SYSTEM USING 12,65 MM (0,5 IN) MAGNETIC TAPE ON TYPE VHS - PART 2: FM AUDIO RECORDING

Published date

29-02-2000

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1 Scope
2 Normative references
3 Recording method
4 Mechanical configuration
      4.1 FM audio track pattern
      4.2 Head azimuth angles
      4.3 Recording time difference
5 Recording characteristics
      5.1 Noise reduction
      5.2 Pre-emphasis
      5.3 Carrier center frequency
      5.4 Frequency deviation
      5.5 Modulation polarity
      5.6 Recording level
6 Other subjects (channel application)
Figure 1 - Track arrangement
Figure 2 - Pre-emphasis frequency response
Figure 3 - Signal spectrum
Figure 4 - Block diagram of FM audio recording
Figure 5 - Block diagram of noise reduction system
Figure A.1 - Encoder transient measurement method
Table 1 - FM audio track dimensions
Table 2 - Head azimuth angles
Table 3 - Carrier center frequencies
Table 4 - Channel applications
Annex A (normative) Encoder transient measurement method
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

This part of EN 60774 is applicable to frequency modulation (FM) audioi recording fully compatible with the VHS system defined in EN 60774-1.

Committee
TC 100X
DevelopmentNote
SUPERSEDES EN 61054:1993 (08/2000)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

IEC 60774-1:1994 Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - Part 1: VHS and compact VHS video cassette system

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