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BS 7434-4(1998) : 1998

Current

Current

The latest, up-to-date edition.

METHODS OF MEASUREMENT - NON-BROADCAST VIDEO TAPE RECORDERS - PART 4: CALIBRATION TAPE (NTSC/PAL/SECAM)

Published date

23-11-2012

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INTRODUCTION
SECTION 1: GENERAL
1.1 Scope and object
1.2 Normative references
1.3 Definitions
1.4 Requirements
SECTION 2: SPECIFICATIONS OF THE SIGNALS TO BE RECORDED
ON THE CALIBRATION TAPE
2.1 Luminance signal level
2.2 Dropout compensation characteristics
2.3 Y/C delay
2.4 Switching position
2.5 Audio FM reference recording level
2.6 Audio FM peak recording level
2.7 Audio FM frequency response
Figures
1 Block diagram for luminance level preparation
2 Block diagram for the dropout generator
3 Block diagram for dropout level adjustment
4 Dropout of 20 us duration
5 Black marker in the dropout
6 Dropout of 3 H duration
7 Location of dropouts
8 Block diagram for Y/C delay measurement
9 Signal to be recorded
10 Delay in the luminance signal recording
11 Delay in the chrominance signal recording
12 Block diagram for switching position adjustment
13 Setting of the travelling microscope
14 View on the magnetic coating side of the tape
15 Block diagram for switching position measurement
16 Switching position
17 Block diagram for audio FM reference peak level recording
18 Block diagram for audio FM frequency response signal
    recording
Annex
ZA (normative) Normative references to international
publications with their corresponding European publications

Defines the general requirements for the calibration lapse used for measuring signal characteristics of the playback systems of non-broadcast video tape recorders (NTSC/PAL/SECAM). ALSO NUMBERED AS BS EN 61041-4

Committee
EPL/100/2
DevelopmentNote
Also numbered as BS EN 61041-4 & IEC 61041-4. Supersedes 93/208515 DC. (12/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 61041-4:1997 Identical

IEC 61054:1991 Helical-scan video tape cassette system using 12,65 mm (0,5 in) magnetic tape on type VHS - FM audio recording
IEC 61041-1:1990 Non-broadcast video tape recorders. Methods of measurement - Part1: General, video (NTSC/PAL) and audio (longitudinal)characteristics
IEC 61041-3:1993 Non-broadcast video tape recorders - Methods of measurement - Part 3: Audio characteristics for FM recording
IEC 60094-2:1994 Magnetic tape sound recording and reproducing systems - Part 2: Calibration tapes
IEC 61041-2:1994 Non-broadcast video tape recorders - Methods of measurements - Part2: Video characteristics chrominance SECAM

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