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  • IEC 61120-4:1992

    Current The latest, up-to-date edition.

    Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use - Part 4: Magnetic tape properties: definitions and methods of measurement

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French

    Published date:  25-07-1992

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Clause
    1 Scope
    2 Normative references
    3 Definitions
       3.1 Flux transitions
       3.2 Physical recording density
       3.3 Test density
       3.4 Recording current wave form
       3.5 Recording current peak-to-peak value
       3.6 Recommended recording current
       3.7 Reference recording current
       3.8 Test recording current
       3.9 Average signal level
       3.10 Standard reference level
    4 Technical requirements and test conditions
       4.1 Standard atmospheric conditions
       4.2 Mechanical characteristics of test equipment
       4.3 Electrical characteristics of test equipment
       4.4 Reference tapes
       4.5 Condition of the tape to be tested
    5 Electrical parameters to be measured
       5.1 Resolution
       5.2 Overwrite characteristic
       5.3 Drop-outs
       5.4 Relative average signal level to noise ratio
       5.5 Characteristics of the sub-tracks in case of
            bias-recording
    6 Recommended parameters to be described in published
       data for professional digital audio tapes
    7 Mechanical parameters to be measured
    Figures
    Annex A (informative) Name and address of the
            manufacturer of primary standard IEC reference
            tapes

    Abstract - (Show below) - (Hide below)

    Applies to methods of measurement for the properties of magnetic tapes used in digital audio reel-to-reel recording and reproducing systems using 6,3 mm magnetic tape for professional use.

    General Product Information - (Show below) - (Hide below)

    Development Note Also numbered as BS EN 61120-4 (10/2005) Stability Date: 2026. (11/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 61595-2:1998 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use Format B
    EN 61120-2:1993 Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use - Part 2: Format A
    EN 61120-5:1995 Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use - Part 5: Reels
    EN 61595-1 : 1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 1: Format A
    CEI EN 61120-5 : 1997 DIGITAL AUDIO TAPE RECORDER REEL-TO-REEL SYSTEM, USING 6,3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 5: REELS
    I.S. EN 61120-2:1994 DIGITAL AUDIO TAPE RECORDER REEL TO REEL SYSTEM, USING 6,3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 2: FORMAT A
    CEI EN 61595-2 : 1999 MULTICHANNEL DIGITAL AUDIO TAPE RECORDER (DATR) - REEL-TO-REEL SYSTEM - FOR PROFESSIONAL USE - FORMAT B
    CEI EN 61120-2 : 1997 DIGITAL AUDIO TAPE RECORDER REEL TO REEL SYSTEM, USING 6,3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 2: FORMAT A
    I.S. EN 61595-1:2005 MULTICHANNEL DIGITAL AUDIO TAPE RECORDER (DATR), REEL-TO-REEL SYSTEM, FOR PROFESSIONAL USE - PART 1: FORMAT A
    CEI EN 61595-1 : 1998 MULTICHANNEL DIGITAL AUDIO TAPE RECORDER (DATR) - REEL-TO-REEL SYSTEM FOR PROFESSIONAL USE - FORMAT A
    I.S. EN 61120-3:1994 DIGITAL AUDIO TAPE RECORDER REEL TO REEL SYSTEM, USING 6,3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 3: FORMAT B
    I.S. EN 61120-5:1999 DIGITAL AUDIO TAPE RECORDER REEL-TO-REEL SYSTEM, USING 6.3 MM MAGNETIC TAPE, FOR PROFESSIONAL USE - PART 5: REELS
    IEC 61595-2:1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 2: Format B
    IEC 61120-5:1995 Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use - Part 5: Reels
    BS EN 61595-1:1997 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use Format A
    EN 61120-3:1993 Digital audio tape recorder reel to reel system, using 6,3 mm magnetic tape, for professional use - Part 3: Format B
    EN 61595-2:1998 Multichannel digital audio tape recorder (DATR), reel-to-reel system, for professional use - Part 2: Format B

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60094-5:1988 Magnetic tape sound recording and reproducing systems. Part 5: Electrical magnetic tape properties
    IEC 61120-3:1991 Digital audio tape recorder reel to reel system, using 6.3 mm magnetic tape, for professional use - Part 3: Format B
    IEC 60050-806:1996 International Electrotechnical Vocabulary (IEV) - Part 806: Recording and reproduction of audio and video
    IEC 61120-2:1991 Digital audio tape recorder reel to reel system, using 6.3 mm magnetic tape, for professional use - Part 2: Format A
    IEC 61120-1:1991 Digital audio tape recorder reel to reel system, using 6,3 mmmagnetic tape, for professional use - Part 1: General requirements
    IEC 61120-5:1995 Digital audio tape recorder reel-to-reel system, using 6,3 mm magnetic tape, for professional use - Part 5: Reels
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