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threshold of audibility |
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threshold of audibility [′thresh‚hōld əv ‚ȯd·ə′bil·əd·ē] (physiology) The minimum effective sound pressure of a specified signal that is capable of evoking an auditory sensation in a specified fraction of the trials; the threshold may be expressed in decibels relative to 0.0002 microbar (2 × 10-5pascal) or 1 microbar (0.1 pascal). Also known as threshold of detectability; threshold of hearing. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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