audiometric zero

audiometric zero

A value arbitrarily assigned to 0 dB (deciBel) hearing level, the average hearing acuity for a normal population, which corresponds to 24.5 dB sound pressure level (SPL) at 250 Hertz.

audiometric zero

Audiology A value arbitrarily assigned to 0 dB–deciBel hearing level, the average hearing acuity for a normal population, which corresponds to 24.5 dB SPL–sound pressure level at 250 Hertz