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ASA S1.16-2000

Method for Measuring the Performance of Noise Discriminating and Noise Canceling Microphones
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ASA S1.16-2000

Method for Measuring the Performance of Noise Discriminating and Noise Canceling Microphones

PUBLISH DATE 2000
ASA S1.16-2000
This American National standard describes procedures for measuring the performance of noise discriminating and noise canceling microphones. The signal-to-noise ratio is measured at 1/3 octave band intervals with the desired test source in a diffuse noise field. The noise canceling performance of the microphone is defined as the noise canceling index (NCI), a weighted summation of the signal-to-noise ratios. The NCI of the microphone under test can be compared to the required baseline NCI of a laboratory standard pressure microphone.
SDO ASA: Acoustical Society of America
Document Number S1.16
Publication Date Jan. 1, 2000
Language en - English
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