GB/T 4854.7-2008 Active National standards

GB/T 4854.7-2008 Acoustics—Reference zero for the calibration of audiometric equipment—Part 7:Reference threshold of hearing under free-field and diffuse-field listening conditions

Publish Date: 2008-07-02 Implement Date: 2009-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4854.7-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Acoustic metrology

ICS Name: Acoustics and acoustic measurement

Publish Date: 2008-07-02

Implement Date: 2009-02-01

Pages: 12 pages

Development Information

Word Count: 20 Thousand words Pages: 12 pages

Same series standard

GB/T 4854.5-2008 Acoustics—Reference zero for the calibration of audiometric equipment—Part 5:Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz

Replace the following standards

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

Referenced Standards

GB/T 4963-2007 Acoustics—Normal equal-loudness-level contours 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 16296-1996 Acoustics—Audiometric test methods—Part 2:Sound field audiometry with pure tone and narrow-band test signals GB/T 16402-1996 Acoustics—Reference equivalent threshold sound pressure levels for pure tones and insert earphones GB/T 16403-1996 Acoustics—Audiometric test methods—Basic pure tone air and bone conduction threshold audiometry GB/T 3240-1982 Preferred frequencies for the acoustical measurement

Adopt standards

ISO 389-7:2005

Related Standards

GB/T 3238-1982 Active

GB/T 3238-1982 Acoustical levels and refrence quantities

Publish Date: 1982-06-08

GB/T 3240-1982 Active

GB/T 3240-1982 Preferred frequencies for the acoustical measurement

Publish Date: 1982-06-08

GB/T 3785-1983 Replaced

GB/T 3785-1983 Electric, sonic properties and measuring methods for sound level meters

Publish Date: 1983-06-25

GB/T 5265-1985 Replaced

GB/T 5265-1985 Measurement of underwater noise

Publish Date: 1985-07-26

GB/T 7966-1987 Replaced

GB/T 7966-1987 Acoustics—Ultrasonic power measurement in the frequency range 0.5～10MHz

Publish Date: 1987-06-22

GB/T 11452-1989 Abolished

GB/T 11452-1989 Guide to hearing aid standards

Publish Date: 1989-07-04