NASA NTRS · 19680000485
Improved communication system for large operations center
Abstract
When several microphones are fed into a common system, sound originating at any given source results in poor articulation. Introduction of an automatic microphone priority control suppresses echo and reverberation.
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Draper, M. S.. 1968-11-01. Improved communication system for large operations center. https://ntrs.nasa.gov/citations/19680000485
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