: a thin resonant board (such as the belly of a violin) so placed in an instrument as to reinforce its tones by sympathetic vibration see violin illustration
: a device for monitoring and mixing (see mix entry 1 sense 2) sounds from various input sources
… the soundboard receives 110 channels for microphone feeds, each capturing musical hues from separate sources. Jim Dwyer
or sound board
: sound card
Lab technicians installed all of the sound boards using the supplied software installation utilities … Tom Benford
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