Kalkulator Kriteria Kebisingan |
Sound Pressure Level (dB) - Octave band mid-frequency (Hz)
Kalkulator untuk menghitung kriteria NC - noise.
kriteria noise | frekuensi pusat oktaf (hz) < / TR> 63 | 125 | 250 | 500 | | 2000 | 4000 | 8000 | level tekanan suara (db) | nc-15 | 47 | 36 29 | 22 | 17 | 14 | 12 | 11 | NC-20 | 51 | 40 "> 40) | 33 | 26 | 22 | 19 | 17 |
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