I.S. EN 28798:1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ACOUSTICS - REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
Hardcopy , PDF
04-16-1999
English
01-01-1992
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Specifies reference levels for the calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry.
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