IEC 61179:1993

Foreword
Introduction
Section 1: General
Clause
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 Inter-sector distribution
7.3 Intra-sector 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

Specifies the content, format and recording method of the data blocks forming the helical records of the tape containing video, audio and associated data using the 19 mm type D-2 cassette. In addition, this document specifies the content, format and recording method of the longitudinal record containing tracking information for the scanning head associated with the helical records.