KS I ISO 389-4:2003
Acoustics-Reference zero for the calibration of audiometric equipment-Part 4:Reference levels for narrow-band masking noise

Standard No.

KS I ISO 389-4:2003

Release Date

2003

Published By

Korean Agency for Technology and Standards (KATS)

Status

Be replaced 2014-12

Replace By

KS I ISO 389-4:2014

Latest

KS I ISO 389-4:2020

Scope

This standard specifies the narrowband signal that appears during airborne conduction from the earphone in pure tone measurements.

KS I ISO 389-4:2003 history

• 2020 KS I ISO 389-4:2020 Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noise
• 2014 KS I ISO 389-4:2014 Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noise
• 2003 KS I ISO 389-4:2003 Acoustics-Reference zero for the calibration of audiometric equipment-Part 4:Reference levels for narrow-band masking noise