automatic level control


Cars & Driving

  • noun a suspension system that automatically adjusts front and rear ride heights to compensate for changes in axle loads; this can either be achieved by adding air shock absorbers to a conventional suspension system, or by incorporating the system in a sophisticated pneumatic or hydropneumatic suspension system


  • A circuit which automatically adjusts the input so that the output signal remains constant despite variations in said input. Used in devices such as magnetic tape recorders and radio transmitters. Its abbreviation is ALC.

Media Studies

  • noun a device on recording machines that maintains a constant recording level.