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About Noise reduction

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Working day-evening average level, DNL or LDN: This measurement assesses the cumulative exposure to sound for just a 24-hour interval (Leq above 24 hrs) of the calendar year, having a 10 dB(A) penalty or pounds included to nighttime noise measurements specified the elevated sensitivity to noise at nighttime. Will you https://elliotgmrvx.blogoxo.com/32074263/the-best-side-of-acoustic-performance

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