Décibel (bruit) — Wikipédia
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Noise meter 3.3 to 5.0V 30 to 130 dB(A) Analog output: 0.6 to 2.6V Linear conversion (dB A -> volts) High precision Easy to use
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Sound level meter (Decibel-meter) - Gravity, Analog output
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Dynalets: A new method for modelling and compressing biological signals. Applications to physiological and molecular signals