IEC 62121 : 1.0

Table of Contents

FOREWORD
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
Figures
Tables

Abstract

Defines the measuring methods for recording and reproducing equipment for MiniDiscs that conform to IEC 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

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 100