Apparatus noiseless electronic switch and timer |
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Authors: | C S L Keay M Rodda |
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Institution: |
a Department of Physics, University of Canterbury, Christchurch, New Zealand
b Department of Psychology, University of Canterbury, Christchurch, New Zealand |
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Abstract: | In psychoacoustic testing and experimentation the avoidance of extraneous stimuli is most important, but the elimination of such cues is often difficult. A circuit is described which enables sound stimuli to be switched on and off in a manner which produces no unwanted transient signals. The circuit may be adapted to function as a noiseless changeover switch. |
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