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Testing foundry services

International Standard List


  • IEC 60268-1, Sound system equipment – Part 1: General
  • IEC 60268-3, Sound system equipment – Part 3: Amplifiers
  • IEC 60268-4, Sound system equipment – Part 4: Microphones
  • IEC 60268-5, Sound system equipment – Part 5: Loudspeakers


  • EN50332-1:2000 General method for “one package equipment"
  • EN50332-2:2003 Matching of sets with headphones if either or both are offered


  • ITU-T P.800, Methods For Subjective Determination of Transmission Quality
  • ITU-T P.862, Perceptual evaluation of speech quality (PESQ): An objective method for end-to-end speech quality assessment of narrow-band telephone networks and speech codecs


  • 7779:2010
    specifies procedures for measuring and reporting the noise emission of information technology and telecommunications equipment

Certification / Report

Brüel & Kjær / G.R.A.S. Microphone System

Free-field 1/2 Microphone Type 4191
Free-field 1/2 Microphone GRAS 40HL
Microphone Preamplifier — Type 2669
Brüel & Kjær PULSE Type 3560-C
Brüel & Kjær 2012
Metrico MUSE PESQ (MOS) Analyzer System
Brüel & Kjær / G.R.A.S. Microphone System
Brüel & Kjær 4128D
Brüel & Kjær 4128D
Precision Turntable System LT-360EX

OBO Pro.2 Anechoic Chamber

OBO Electroacoustic Testing Laboratory Introduction V1.1
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