What is "audio frequencies"

Usage examples of "audio frequencies".

The technicians punched buttons, altering the audio frequencies, but the sound remained peculiar and indistinct.

I spoke for all my comrades in the 3d Battalion, though they remained silent on the audio frequencies.

I spoke for all my comrades in the 3d Battalion, though they ~remained silent on the audio frequencies.

If the subject is lying, the modulations of the audio frequencies increase.

Also the carrier and audio frequencies of the radio transmission did not require the fraction of a second to cover the distance because they were channelled through the accelerator of the hypercom equipment.

He manipulated the ore processor's equipment to broadcast across the full waveband from audio frequencies all the way out to infrared.