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I.S. EN 61237-4:1998

Current
Current

The latest, up-to-date edition.

BROADCAST VIDEO TAPE RECORDERS - METHODS OF MEASUREMENT - PART 4: ANALOGUE PERFORMANCE MEASUREMENTS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1998

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For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 General
  1.1 Scope and object
  1.2 Normative references
  1.3 Definitions
2 Manual and automatic measurements
3 Procedure of measurement
4 Environmental conditions
5 Measurements on analogue audio baseband recording
  using bias
  5.1 Reproducing performance using calibration tape
  5.2 Overall performance using reference tape
6 Measurement on analogue audio recording using
  frequency modulation (FM audio)
  6.1 Reproducing performance using calibration tape
  6.2 Overall performance using reference tape
7 Special measurements
  7.1 Measurements on FM carrier (unmodulated carrier
      and deviation)
  7.2 Measurements on AGC (amplitude characteristic;
      attack time; hold time)
  7.3 Measurements on switchable noise reduction circuits
  7.4 Measurements on non-switchable noise reduction
      systems (in combination with a non-switchable AGC)
  7.5 Polarity test
Annex A (informative) Method of measurement for magnetic
         tape flux
Annex B (informative) Bibliography
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Specifies methods of measurement and special test signals for the analogue audio part of equipment mainly dedicated to recording reproduction of TV signals on magnetic tape on reels or in cassettes.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
70
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
NBN EN 61237-4 : 1998 Identical
EN 61237-4:1997 Identical
DIN EN 61237-4:1998-07 Identical
IEC 61237-4:1997 Identical
NF EN 61237-4 : 1998 Identical
BS EN 61237-4:1998 Identical
SN EN 61237-4 : 1997 Identical

IEC 60268-8:1973 Sound system equipment - Part 8: Automatic gain control devices
HD 483.3 : 200S2 SOUND SYSTEM EQUIPMENT - AMPLIFIERS
EN 61041-3:1995 Non-broadcast videotape recorders - Methods of measurement - Part 3: Audio characteristics for FM recording
IEC 60268-3:2013 Sound system equipment - Part 3: Amplifiers
ANSI S4.6 : 82(R1992) RECORDED FLUX OF MAGNETIC SOUND RECORDS AT MEDIUM WAVELENGTHS, METHOD OF MEASURING
IEC 61041-1:1990 Non-broadcast video tape recorders. Methods of measurement - Part1: General, video (NTSC/PAL) and audio (longitudinal)characteristics
HD 574 : 1990 TYPE B HELICAL VIDEO RECORDERS
AES 7 : 2000(R2005)
EN 60094-3:1996/A3:1996 MAGNETIC TAPE SOUND RECORDING AND REPRODUCING SYSTEMS - PART 3: METHODS OF MEASURING THE CHARACTERISTICS OF RECORDING AND REPRODUCING EQUIPMENT FOR SOUND ON MAGNETIC TAPE
EN 61105:1993 Reference tapes for video tape recorder systems
EN 61041-1 : 1995 Non-broadcast video tape recorders - Methods of measurement - Part 1: General video (NTSC/PAL) and audio (longitudinal) characteristics
IEC TR 61295:1994 Calibration tapes for broadcast VTRs
IEC 61213:1993 Analogue audio recording on video tape - Polarity of magnetization
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 61105:1991 Reference tapes for video tape recorder systems
HD 483.1 : 200S2 SOUND SYSTEM EQUIPMENT - GENERAL
IEC 60268-1:1985 Sound system equipment. Part 1: General
EN 61213:1994 Analogue audio recording on video tape - Polarity of magnetization
IEC 60094-3:1979 Magnetic tape sound recording and reproducing systems - Part 3: Methods of measuring the characteristics of recording and reproducing equipment for sound on magnetic tape
EN 60651:1994/A2:2001 SOUND LEVEL METERS (IEC 60651:1979/A2:2000)
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
DIN 45520:1973-01 MAGNETIC TAPE RECORDERS - MEASUREMENT OF THE ABSOLUTE LEVEL OF THE MAGNETIC FLUX AND ITS FREQUENCY RESPONSE ON MAGNETIC TAPES
HD 483.2 : 200S2 SOUND SYSTEM EQUIPMENT - EXPLANATION OF GENERAL TERMS AND CALCULATION METHODS
EN 61260:1995/A1:2001 ELECTROACOUSTICS - OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND FILTERS
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters

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