From top to bottom: Retro Instruments/Gates STA level Spectra Sonic 610 Dbx 162 Dbx 165 Empirical Labs Distressor Smart Research C2 Chandler Limited TG1 Daking FET (91579) and Altec 436c.ĭynamic range compression ( DRC) or simply compression is an audio signal processing operation that reduces the volume of loud sounds or amplifies quiet sounds, thus reducing or compressing an audio signal's dynamic range.
A rack of audio compressors in a recording studio.