GB/T 3239-1982
Active
GB/T 4854.1-2004
Active
National standards
GB/T 4854.1-2004 Acoustics—Reference zero for the calibration of audiometric equipment—Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
GB/T 4854.1-2004 Acoustics—Reference zero for the calibration of audiometric equipment—Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Basic Information
Standard Code:
GB/T 4854.1-2004
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Acoustic metrology
ICS Name:
\nNoise (related to humans)
Publish Date:
2004-05-13
Implement Date:
2004-12-01
Pages:
9 pages
Development Information
Replace the following standards
Referenced Standards
GB/T 7342-1987 IEC provisional reference coupler for the calibration of earphones used in audiometry
GB/T 7582-1987 Acoustics—Threshold of hearing by air conduction as a function of age and sex for otologically normal persons
GB/T 7614-1987 An artificial ear of wide band type for the calibration of earphones used in audiometry
GB/T 16403-1996 Acoustics—Audiometric test methods—Basic pure tone air and bone conduction threshold audiometry
Adopt standards
ISO 389-1:1998
Related Standards
GB/T 4963-1985
Replaced
GB/T 4963-1985 Normal equal-loudness contours for pure tones under free field listening conditions
GB/T 7582-1987
Replaced
GB/T 7582-1987 Acoustics—Threshold of hearing by air conduction as a function of age and sex for otologically normal persons
GB/T 7583-1987
Active
GB/T 7583-1987 Acoustics—Pure tone air conduction threshold audiometry—For hearing conservation purposes
GB 14227-1993
Replaced
GB 14227-1993 Noise limits on platform of subway station
GB/T 14228-1993
Replaced