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  • EN 62121:2001

    Current The latest, up-to-date edition.

    Methods of measurement for minidisc recorders/players

    Available format(s): 

    Language(s): 

    Published date:  12-12-2001

    Publisher:  European Committee for Standards - Electrical

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

    1 Scope and object
    2 Normative references
    3 Terms and definitions
    4 Information required from manufacturers of MD recorders
       4.1 Introduction
       4.2 Identification
       4.3 Mechanical characteristics
       4.4 Electrical characteristics
       4.5 Environmental conditions
       4.6 Mechanical performance requirements
       4.7 Electrical performance requirements
       4.8 Results of measurement
    5 Measuring conditions
       5.1 Introduction
       5.2 Environmental conditions
       5.3 Power supply
       5.4 Input conditions
       5.5 Output condition
       5.6 MD recorder setting
       5.7 Other conditions
       5.8 Test disc
       5.9 Performance claims
       5.10 Measuring equipment
       5.11 Additional considerations
    6 Measurement of mechanical parameters
       6.1 Shock and vibration resistance
       6.2 Acoustic noise
    7 Measurement of electrical parameters
       7.1 Maximum power consumption
       7.2 Frequency response
       7.3 Signal to noise ratio
       7.4 Dynamic range
       7.5 Distortion and noise
       7.6 Channel separation
       7.7 Deviation of emphasis characteristic
       7.8 Modulation distortion
       7.9 Phase difference between channels
       7.10 Minimum input level
       7.11 Output voltage
       7.12 Pitch deviation
       7.13 Access times
       7.14 Trackability
    Annex A (normative) Test disc requirements
    Annex B (informative) Table of measurements - Results
    Annex C (informative) Available test disc
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications
    Figure A.1 - Sweep signal
    Tables

    Abstract - (Show below) - (Hide below)

    Specifies the measuring methods for recording and reproducing equipment for MiniDiscs that conform to EN 61909. Lists and defines the characteristics affecting the performance of MiniDisc recorders or players, establishes conditions and methods of measurement of those characteristics, and standardizes the presentation of the results.

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

    Committee CLC/TC 100X
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    IEC TR 60268-13:1998 Sound system equipment - Part 13: Listening tests on loudspeakers
    ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
    ISO 1996-2:2017 Acoustics — Description, measurement and assessment of environmental noise — Part 2: Determination of sound pressure levels
    EN ISO 3743-2:2009 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2: Methods for special reverberation test rooms (ISO 3743-2:1994)
    IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    EN 60065:2014/AC:2017-01 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS (IEC 60065:2014/COR2:2016)
    ISO 3743-2:1994 Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms
    IEC 61909:2000 Audio recording - Minidisc system
    IEC 61606:1997 Audio and audiovisual equipment - Digital audio parts - Basic methods of measurement of audio characteristics
    EN 60721-3-5:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 5: Ground vehicle installations
    IEC 60721-3-5:1997 Classification of environmental conditions - Part 3: Classificationof groups of environmental parameters and their severities -Section 5: Ground vehicle installations
    EN ISO 3741:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010)
    ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
    EN 61909:2000 Audio recording - Minidisc system
    IEC 60958:1989 Digital audio interface
    EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    ISO 1996-3:1987 Acoustics Description and measurement of environmental noise Part 3: Application to noise limits
    ISO 532:1975 Acoustics Method for calculating loudness level
    EN ISO 3744:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
    ISO 1996-1:2016 Acoustics Description, measurement and assessment of environmental noise Part 1: Basic quantities and assessment procedures
    EN 61606 : 1997 AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC METHODS OF MEASUREMENT OF AUDIO CHARACTERISTICS
    EN ISO 3743-1:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)
    ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
    EN 60651:1994/A2:2001 SOUND LEVEL METERS (IEC 60651:1979/A2:2000)
    ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms
    EN 60958:1990/A2:1995 DIGITAL AUDIO INTERFACE
    IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
    ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room
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