title: An acoustical trigger for impact noise studies.
abstract: In making oscilloscopic studies of impact noise there is often a problem of coordinating the oscilloscope with the noise event. This paper describes a simple noise trigger that has been used successfully in a number of studies.
mesh_terms: D000162:Acoustics / Q000295:instrumentation*; D009622:Noise; D009991:Oscillometry / Q000295:instrumentation