Sengpielaudio.Com Sound Speed Calculator

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Speed of sound in air temperature barometric pressure ...

http://www.sengpielaudio.com/calculator-speedsound.htm

Note: The speed of sound c is independent of the frequency and the amplitude of the sound wave, and the air pressure. But the speed of sound is dependent on the temperature. At a temperature of 819.45, we get a speed of sound of 662.6 m/s. That is double the speed of sound, we find at 0°C with 331.3 m.

Calculation speed of sound in humid air and the air ...

http://www.sengpielaudio.com/calculator-airpressure.htm

This calculator is to determine the speed of sound in humid or moist air (water vapor) according to Owen Cramer, "JASA, 93, p. 2510, 1993", with saturation vapor pressure taken from Richard S. Davis, "Metrologia, 29, p. 67, 1992", and a mole fraction of carbon dioxide of 0.0004.

Sound power level SWL and sound pressure level SPL ...

http://www.sengpielaudio.com/calculator-soundpower.htm

All share as level the same unit of measure: the decibel (dB). The term "sound level" is commonly substituted for each. As characteristic impedance of air we use the round value Z = 400 N·s/m³ (Pa·s/m). Then the "sound level", that is the sound pressure level L p and the sound intensity level L I is exactly the same as a decibel value. The sound power or acoustic power is the sound …

Wavelength acoustic sound wave air sound waves …

http://www.sengpielaudio.com/calculator-waves.htm

Notice: Speed of sound in air c = 343 m/s at 20 °C (68 °F) or speed of radio waves and light in a vacuum c. The propagation speed of electrical signals via optical fiber is about 9/10 the speed of light, that is The propagation speed of electrical signals …

SPL sound level to dB pressure level sound pressure …

http://www.sengpielaudio.com/calculator-soundlevel.htm

Sound level SPL conversion sound pressure level SPL to dB intensity unit calculate calculating calculation Conversion of sound pressure to sound intensity sound units pressure intensity dB air sound units level ratio decibel Pa kPa acoustic energy power convert decibels to pascals audio engineering sound pressure is the effect - Eberhard Sengpiel sengpielaudio

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