OBO

Laboratory

無標題文件

International Standard List



IEC-Standard

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
ITU-T-Standard

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
BSI-Standard

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

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


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
IEA EA-2 Electro
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

OBOPro.2   Anechoic Chamber

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