John Volkman
Encyclopedia
John E. Volkman was an American industrial scientist, spent his career at RCA, designing studios and auditoria, and sound reinforcement components.
John Volkman was the first to use variable equalization
, In the 1930s he used them to equalize a motion picture theater playback systems.
John Volkman was the first to use variable equalization
Equalization
Equalization, is the process of adjusting the balance between frequency components within an electronic signal. The most well known use of equalization is in sound recording and reproduction but there are many other applications in electronics and telecommunications. The circuit or equipment used...
, In the 1930s he used them to equalize a motion picture theater playback systems.