As you move to the right, the frequencies get higher; the highest treble controls are typically 16 kilohertz or 18 kilohertz.
After twiddling with the bass and treble controls, I concluded that the factory's preset balance was the best.
There were two controls for the tone of the output signal, these were simple bass and treble controls.
A high shelf, such as a treble control adjusts the gain of higher frequencies only.
Some computer speakers have equalization features such as bass and treble controls.
Melanie's voice had gone suddenly husky, as if the treble control on the stereo had failed.
And the jukebox reverberation, bass and treble controls were good.
Turning down the treble control increases f so that frequences higher than f are attenuated.
Turning up the treble control increases f so that frequences higher than f are boosted.
A simple amplifier's tone controls typically include passive bass and treble controls.