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dB chart voltage power table conversion sound pressure ...
http://www.sengpielaudio.com/dB-chart.htm
dB chart table power voltage conversion sound pressure intensity dB decibel level ratio dBA dBm acoustic measurement volts, watts, and pascals absolute relative voltage level database - sengpielaudio Eberhard Sengpiel
dB calculator for amplification gain and damping (loss ...
http://www.sengpielaudio.com/calculator-amplification.htm
Reference electric power P 0 = 1 milliwatt = 0.001 watt ≡ 0 dB m Level in psycho acoustics as subjectivly perceived loudness (volume) The vague human feeling of the double loudness (volume) is specified
Convert dBm to dB conversion to volt mW voltage V dB …
http://www.sengpielaudio.com/calculator-volt.htm
The index u at decibel (dB) means unloaded source, V (volt).Some say: The "u" in dBu implies also that the load impedance is unspecified, or unterminated and is likely to be high. The index m at dB (decibel) means 1 milliwatt (power) as reference value for 0 dB. If the reverse conversion dBu, or dBV to volts is needed, go to the converter at the bottom.
dB dBu dBFS dBV to volts audio ... - Eberhard Sengpiel
http://www.sengpielaudio.com/calculator-db-volt.htm
The dBm is a logarithmic measure of power compared to 1 mW, that means it is power dependent. It can be converted to a voltage, if the load impedance is known. Typically the impedance (load) is 600 ohms. Equation: Level in dBm: L P = 10 × log (P / 0.001)
Calculation voltage and power - gain and loss ...
http://www.sengpielaudio.com/calculatorVoltagePower.htm
Power gain is defined as the ratio of the output power to the input power in dB. Assume that the input power is 10 mW (+10 dBm) and the output power is 1 W (1000 mW, +30 dBm). The ratio will be 1000/10 = 100, and the power gain will be 10×log 100 = 20 dB. Reference power P 0 = 1 Watt.
dB calculate - decibel calculation dB calculator voltage ...
http://www.sengpielaudio.com/calculator-db.htm
With "dB" and "ratio" near the input boxes, we decide what is calculated and which box is the input. With size of a "field" and size of "energy" we decide if it is 20 times (field quantity, e.g. volts) or 10 times (energy quantity, or power quantity, e.g. watts) in the formula.
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