audio taper

audio taper

[′ȯd·ē·ō ‚tā·pər]
(engineering acoustics)
A special type of potentiometer used in a volume-control apparatus to compensate for the nonlinearity of human hearing and give the impression of a linear increase in audibility as volume is raised. Also known as linear taper.
References in periodicals archive ?
Both potentiometers feature a custom audio taper for highly accurate volume setting, and use specialized lubricants for a smooth, viscous rotational torque.