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METHODS OF MEASUREMENT FOR MINIDISC RECORDERS/PLAYERS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2002

Publisher

National Standards Authority of Ireland

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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.

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

Specifies the measuring methods for recording and reproducing equipment for MiniDiscs that conform to I.S. 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.

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	94
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
NF EN 62121 : 2002	Identical
NBN EN 62121 : 2002	Identical
IEC 62121:2001	Identical
EN 62121:2001	Identical
DIN EN 62121:2002-05	Identical
BS EN 62121:2001	Identical