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ISO 389-7:1996

Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions
26. 12. 1996.
95.99   Povučen   3. 11. 2005.

Опште информације

95.99     3. 11. 2005.

ISO

ISO/TC 43

Međunarodni standard

13.140  

francuski   engleski  

Kupovina

Povučen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

TRENUTNO

POVUČEN
ISO 389-7:1996
95.99 Povučen
3. 11. 2005.

REVIDIRAN OD

POVUČEN
ISO 389-7:2005