BS EN 61179:1993

Cooperating organizations
National foreword
Foreword
Introduction
Section 1: General
1.1 Scope
1.2 Normative references
1.3 Definitions, symbols and abbreviations
1.4 Environment and test conditions, reference tape
      and calibration tape
Section 2: Videotape-cassette
2.1 Mechanical parameters
2.2 Videotape specification
Section 3: Helical recordings
3.1 Tape speed
3.2 Record location and dimensions
3.3 Helical track record curvature, tolerance zones,
      centre lines
3.4 Relative positions of recorded signals
3.5 Gap azimuth
3.6 Transport and scanner
Section 4: Program track data arrangement
4.1 Introduction
4.2 Labelling convention
4.3 Sector details
4.4 Edit gaps
4.5 Channel code
Section 5: Video interface
5.1 Encoding parameters
5.2 Parallel digital signal interface
5.3 Serial digital signal interface
Section 6: Audio interface
6.1 Encoding parameters
6.2 Digital signal interface
Section 7: Video processing
7.1 Recorded data
7.2 Intersector distribution
7.3 Intrasector shuffling
7.4 Sector array
7.5 Outer code error protection
Section 8: Audio processing
8.1 Introduction
8.2 Source coding
8.3 Source processing
8.4 Auxiliary words
8.5 Outer error protection
8.6 Inner protection and channel coding
8.7 Order of transmission to inner coding
8.8 Order of audio sectors
Section 9: Longitudinal tracks
9.1 General
9.2 Relative timing
9.3 Control track
9.4 Cue record
9.5 Time code record
Annexes
A. Audio levels
B. Cross-tape track measurement technique
C. Examples of error correcting codes
Annex ZA (normative) Other international publications
quoted in this standard with the references of the
relevant European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Defines the electrical and mechanical characteristics of equipment which permits the interchangeability of 19 mm cassettes containing digitally recorded programmes for use with composite TV signals (NTSC, PAL-M) - 525 lines with frame frequency of 29,97 Hz and (PAL) 625 lines with frame frequency of 25 Hz.