ISO 8798:1987

ISO 8798:1987

December 1987
International standard Cancelled

Acoustics — Reference levels for narrow-band masking noise

Main informations

Collections

International ISO standards

Thematics

Sécurité, QSE, Gestion des risques et SST

Publication date

December 1987

Number of pages

5 p.

Reference

ISO 8798:1987

ICS Codes

13.140   Noise with respect to human beings

Print number

1
Standard replaced by (1)
ISO 389-4:1994
September 1994
International standard Current
Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noise

Specifies reference levels for narrow-band masking noise presented by air conduction from an earphone in pure-tone audiometry. The data are given in terms of levels to be added to the reference equivalent threshold sound pressure levels for the corresponding pure-tone frequencies. Data are given for noise bandwidths of one-third and one-half octaves.

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