Standard Swedish standard · SS-EN ISO 11904-2:2021

Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2021)

Status: Valid

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Standard Swedish standard · SS-EN ISO 11904-2:2021

Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2021)
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Scope
This document specifies basic framework measurement methods for sound immission from sound sources placed close to the ear. These measurements are carried out with a manikin, equipped with ear simulators including microphones. The measured values are subsequently converted into corresponding free-field or diffuse-field levels. The results are given as free-field related or diffusefield related equivalent continuous A-weighted sound pressure levels. The technique is denoted the manikin technique. This document is applicable to exposure to sound from sources close to the ear, for example during equipment tests or at the workplace to sound from earphones or hearing protectors with audio
communication facilities. This document is applicable in the frequency range from 20 Hz to 10 kHz. For frequencies above 10 kHz, ISO 11904-1 can be used.

Subjects

Noise with respect to human beings (13.140) Acoustics (14.020) General (17.140.01)


Buy this standard

Standard Swedish standard · SS-EN ISO 11904-2:2021

Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2021)
Subscribe on standards - Read more Dölj
Price: 1 013 SEK
standard ikon pdf

PDF

Price: 1 013 SEK
standard ikon

Paper

Price: 1 620,80 SEK
standard ikon pdf + standard ikon

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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-80028243

Edition: 2

Approved: 3/22/2021

No of pages: 28

Replaces: SS-EN ISO 11904-2:2004