NF EN 61606-2 : 2005

1 Scope
2 Normative references
3 Terms, definitions, explanations and rated values
   3.1 Definitions
   3.2 Explanation of terms
   3.3 Digital interface for measurement
   3.4 Rated values
4 Measuring conditions
   4.1 Environmental conditions
   4.2 Power supply
   4.3 Test signal frequencies
   4.4 Standard setting
   4.5 Preconditioning
   4.6 Measuring instruments
       4.6.1 Digital level meter
       4.6.2 Distortion meter
5 Methods of measurement (digital-in/analogue-out)
   5.1 Input/Output characteristics
       5.1.1 Maximum output amplitude
       5.1.2 Gain difference between channels
   5.2 Frequency characteristics
       5.2.1 Frequency response
       5.2.2 Group delay (phase linearity)
   5.3 Noise characteristics
       5.3.1 Signal-to-noise ratio (idle channel noise)
       5.3.2 Dynamic range
       5.3.3 Out-of-band noise ratio
       5.3.4 Channel separation
   5.4 Distortion characteristics
       5.4.1 Level non-linearity
       5.4.2 Distortion and noise
       5.4.3 Intermodulation
6 Methods of measurement (analogue-in/digital-out)
   6.1 Input/output characteristics
       6.1.1 Analogue to digital level calibration
       6.1.2 Maximum allowable input amplitude
       6.1.3 Gain difference between channel and tracking error
   6.2 Frequency characteristics
       6.2.1 Frequency response
       6.2.2 Group delay
   6.3 Noise characteristics
       6.3.1 Signal-to-noise ratio (idle channel noise)
       6.3.2 Dynamic range
       6.3.3 Folded noise
       6.3.4 Cross-talk
       6.3.5 Channel separation
   6.4 Distortion characteristics
       6.4.1 Level non-linearity
       6.4.2 Distortion and noise
       6.4.3 Intermodulation
Tables
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Specifies the basic measurement methods of the audio characteristics of the digital audio part of audio and audiovisual equipment for consumer use.