Jetzt auswählen und bestellen
56,10 €
exkl. USt.
In den Warenkorb
![Icon ISO](https://cdn.austrian-standards.at/thumbnail/shop/Product_Icons/118162/image-thumb__118162__as_book_product_detail_preview/Icon_ISO.png)
![Icon ISO](https://cdn.austrian-standards.at/thumbnail/shop/Product_Icons/118162/image-thumb__118162__as_organization_pdp_logo/Icon_ISO.png)
Norm
ISO 389-7:1996
Ausgabedatum: 1996 12 26
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
Specifies a reference threshold of hearing for the calibration of audiometric equipment used under definite conditions. The listeners are otologically normal persons in t...
ZURÜCKGEZOGEN: 2005 11 03
Herausgeber:
International Organization for Standardization
Format:
Digital | 9 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
Specifies a reference threshold of hearing for the calibration of audiometric equipment used under definite conditions. The listeners are otologically normal persons in the age from 18 to 25 years inclusive. The data are given in numerical form for the preferred frequencies in the one-third-octave series from 20 Hz to 16 000 Hz in accordance with ISO 266.
ISO 389-7:2019
2019 11 05
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshol...
Norm
ISO 389-7:2005
2005 11 03
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshol...
Norm
ISO 389-7:1996
1996 12 26
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshol...
Norm
↖
Norm
Ausgabedatum :
2005 11 03
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions