115. Physical hazards: disorders caused by noise and vibration and their prevention: Revision history

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30 November 2022

  • curprev 21:5721:57, 30 November 2022‎ Nikolas talk contribs‎ 2,311 bytes +2,311‎ Created page with "* Disorders caused by noise ** Humans hear from 20 – 20 000 Hz ** Normal conversation is 60 dB ** Chronic exposure > 85 dB may cause hearing loss *** Higher noise causes hearing loss faster *** High frequency sounds are more damaging than low frequency sounds ** The phon scale *** For the human ear and brain, not only the sound pressure level (the decibel) but also the frequency matters. *** Unlike the normal decibel scale, the phon scale is standardized to one frequen..." Tag: Visual edit