ICS:13.140

Showing 1–9 of 35 results

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  ISO 389:1994 Acoustics – Reference zero for the calibration of audiometric equipment – Part 4: Reference levels for narrow-band masking noise

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  ISO 389:2009 Acoustics – Reference zero for the calibration of audiometric equipment – Part 9: Preferred test conditions for the determination of reference hearing threshold levels

  CDN $115.00 Add to cart
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  ISO 389:2007 Acoustics – Reference zero for the calibration of audiometric equipment – Part 6: Reference threshold of hearing for test signals of short duration

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  ISO 28961:2012 Acoustics – Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions

  CDN $115.00 Add to cart
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  ISO 22955:2021 Acoustics – Acoustic quality of open office spaces

  CDN $312.00 Add to cart
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  ISO 15666:2021 Acoustics – Assessment of noise annoyance by means of social and socio-acoustic surveys

  CDN $173.00 Add to cart
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  ISO 389:1994 Acoustics – Reference zero for the calibration of audiometric equipment – Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

  CDN $115.00 Add to cart
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  ISO 226:2023 Acoustics – Normal equal-loudness-level contours

  CDN $233.00 Add to cart
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  ISO 9241:2023 Ergonomics of human-system interaction – Part 620: The role of sound for users of interactive systems

  CDN $233.00 Add to cart