Registration number (WIID)Project No.TitleStatus
30443ISO 389-1:1998Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphonesAtcelts
30173ISO/WD 226Acoustics — Normal equal-loudness level contoursIzstrādē
26314ISO 7029:2000Acoustics — Statistical distribution of hearing thresholds as a function of ageAtcelts
26022ISO 389-3:1994/Cor 1:1995Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators — Technical Corrigendum 1Atcelts
24540ISO 14509:2000Small craft - Measurement of airborne sound emitted by powered recreational craftAtcelts
22800ISO 389-7:1996Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsAtcelts
22498ISO/WD 389-6Acoustics — Reference zero for the calibration of audiometric equipment — Part 6: Reference equivalent threshold sound pressure levels for acoustic test signals of short durationIzstrādē
22497ISO/TR 389-5:1998Acoustics — 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 kHzAtcelts
22496ISO 389-4:1994Acoustics — Reference zero for the calibration of audiometric equipment — Part 4: Reference levels for narrow-band masking noiseStandarts spēkā
22495ISO 389-3:1994Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibratorsAtcelts
Displaying 61-70 of 127 results.