DB34/T 4739-2024
Active
GB/T 4854.1-1999
Replaced
National standards
GB/T 4854.1-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
GB/T 4854.1-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
Basic Information
Standard Code:
GB/T 4854.1-1999
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Physics and mechanics
ICS Name:
Other standards related to acoustics
Publish Date:
1999-03-08
Implement Date:
1999-09-01
Pages:
10 pages
Development Information
Same series standard
GB/T 4854.4-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 4:Reference levels for narrow-band masking noise
GB/T 4854.7-1999 Acoustics—Reference zero for the calibration of audiometric equipment—Part 7:Reference threshold of hearing under free-field and diffuse-field listening conditions
Replace the following standards
GB/T 4854-1984
Superseded by the following standards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 389-1:1991
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