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Calculate Noise Reduction Coefficient from octave band data
Alpha at 250 Hz
i
Number of cycles per second measured in hertz (Hz).
Alpha at 500 Hz
i
Number of cycles per second measured in hertz (Hz).
Alpha at 1000 Hz
i
Number of cycles per second measured in hertz (Hz).
Alpha at 2000 Hz
i
Number of cycles per second measured in hertz (Hz).
Calculate
Results
NRC Rating:
i
Calculated performance rating.
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Reference:
Industry Standards.