Acoustics — Normal equal-loudness level contours

Acoustics — Normal equal-loudness-level contours

Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators — Technical Corrigendum 1

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

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

Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions — Amendment 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions

Acoustics — Reference zero for the calibration of audiometric equipment

Acoustics — Reference zero for the calibration of audiometric equipment — Addendum 2

Acoustics — Standard reference zero for the calibration of pure-tone air conduction audiometers

Acoustics — Description and measurement of environmental noise — Part 1: Basic quantities and procedures

Acoustics — Description and measurement of environmental noise — Part 2: Acquisition of data pertinent to land use — Amendment 1

Acoustics — Assessment of occupational noise exposure for hearing conservation purposes

Acoustics — Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings

Acoustics — Pure tone air conduction threshold audiometry for hearing conservation purposes

Acoustics — Statistical distribution of hearing thresholds as a function of age

Acoustics — Audiometric test methods — Part 1: Basic pure tone air and bone conduction threshold audiometry

Acoustics — Audiometric test methods — Part 2: Sound field audiometry with pure tone and narrow-band test signals

Acoustics — Audiometric test methods — Part 3: Speech audiometry

Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 1: Noise control strategies

Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 2: Noise control measures

Forestry machinery — Noise test code for portable hand-held machines with internal combustion engine — Engineering method (Grade 2 accuracy)