volume compressor

volume compressor

[′väl·yəm kəm‚pres·ər]
(engineering acoustics)
An audio-frequency circuit that limits the volume range of a radio program at the transmitter, to permit using a higher average percent modulation without risk of overmodulation; also used when making disk recordings, to permit a closer groove spacing without overcutting. Also known as automatic volume compressor.
References in periodicals archive ?
In addition, the system can operate from 5PSI to 60PSI, so is equally compatible with both high pressure/low volume blowers or low pressure/high volume compressors.