treble increase at low levels

Also found in: Acronyms.

treble increase at low levels (TILL),

a signal-processing modality in hearing aids to increase amplification of high-frequency sounds gradually over that of low-intensity sounds.
Farlex Partner Medical Dictionary © Farlex 2012

tre·ble in·crease at low lev·els

(treb'ĕl in'krēs lō lev'ĕlz)
A hearing aid signal-processing strategy to increase gradually the amplification of high-frequency sounds at low levels.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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