Application of Automatic Mixing Techniques to Audio Consoles
Automatic microphone mixers have become common in unattended sound reinforcement systems. Though many of these use simple gating, superior continuous analog functions exist. A brief review of the field of automatic mixer functions is given. A prototype of an eight-channel controller for use in console insert points has been built. It provides automatic mixing functions as an aid to mixers of multi-mike live sound. Ambient noise and reverberation pickup are reduced. Mixer reaction time is eliminated in fast-moving discussions. A videotape of on-air tests with news and panel discussion programs shows the level of performance achieved.
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