DIN EN 61606-4:2007-04

1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
  3.1 Terms and definitions
  3.2 Abbreviated terms
  3.3 Rated values
4 Measuring conditions
  4.1 Environmental conditions
  4.2 Power supplies
  4.3 Test signal frequencies
  4.4 Standard setting
  4.5 Working setting
  4.6 Preconditioning
5 Measuring instruments
  5.1 Analogue signal generator
  5.2 Analogue in-band level meter
  5.3 Analogue low-pass filter
  5.4 Analogue weighting filter
  5.5 Standard medium
  5.6 Recording medium
  5.7 Software for digital data evaluation
  5.8 Short-term distortion meter
  5.9 Other instruments
6 Methods of measurement (digital-in/analogue-out)
  6.1 Input/output characteristics
  6.2 Frequency response
  6.3 Noise characteristics
  6.4 Distortion characteristics
7 Methods of measurement (analogue-in/digital-out)
  7.1 Input/output characteristics
  7.2 Frequency response
  7.3 Noise characteristics
  7.4 Distortion characteristics
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Specifies the basic measurement methods of a linear PCM signal for an audio part of personal computers (PCs) and applies to both desktop and portable computers.