Optical amplifiers. Test methods. Multichannel parameters. Distributed Raman amplifier gain and noise figure
Edition 2014-08-31

Optical amplifiers. Test methods. Multichannel parameters. Interpolated source subtraction method using an optical spectrum analyzer
Edition 2007-09-28

Optical amplifiers. Test methods. Multichannel parameters. Pulse method using an optical switch and optical spectrum analyzer
Edition 2009-07-31

Audio, video and multimedia systems - General channel assignment of multichannel audio (IEC 62574:2011); German version EN 62574:2011
Edition 2012-02

Petroleum and natural gas industries - Specific requirements for offshore structures - Part 10: Marine geophysical investigations (ISO 19901-10:2021); English version EN ISO 19901-10:2022
Edition 2022-05

Non-destructive testing - Acoustic emission testing - In-service acoustic emission monitoring of metallic pressure equipment and structures - General requirements; German version EN 17391:2022
Edition 2022-08

Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight (ISO 5129:2001 + Amd.1:2013)
Edition 2014-11

Non-destructive testing - Characterization and verification of ultrasonic test equipment - Part 1: Instruments (ISO 22232-1:2020); German version EN ISO 22232-1:2020
Edition 2021-09

Acoustics - Characterization of sources of structure-borne sound and vibration - Indirect measurement of blocked forces (ISO 20270:2019); German version EN ISO 20270:2022
Edition 2023-12

Digital audio interface - Part 4-4: Professional applications - Physical and electrical parameters (IEC 60958-4-4:2016); German version EN 60958-4-4:2016
Edition 2017-01