ANSI/ASA S1.16-2000

ANSI/ASA S1.16-2000

American National Standard Method for Measuring the Performance of Noise Discriminating and Noise Canceling Microphones American National Standards of the Acoustical Society of America / 01-Jan-2000

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This American National standard describes procedures for measuring the performance of noise discriminating and noise canceling microphones. The signal-to-noise ratiois 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 noisecanceling 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 alaboratory standard pressure microphone.



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