Sound waves and acoustics
Estimate the critical damping coefficient of a damped oscillator with c_c = 2·√(m·k). Enter the mass and spring constant…
Calculate the specific acoustic impedance of a material (z = ρ·c) and the intensity reflection and transmission coefficients…
Estimate the speed of sound in solids from density and modulus of elasticity. Choose a thin rod (1-D) or a bulk solid (3-D,…
Calculate the beat frequency of two waves as the absolute difference of their frequencies (fb = |f₂ − f₁|). Supports Hz,…
Calculate the reverberation time (RT60) of a room from its dimensions, doors, windows, and surface absorption coefficients…
Calculate the resonant frequency of a Helmholtz resonator from the cavity volume, neck diameter, and neck length. Uses f…
Calculate power gain (dB = 10·log₁₀(P₂/P₁)) and voltage gain (dB = 20·log₁₀(V₂/V₁)) in decibels, or convert a dB value back…
Calculate sound pressure level (SPL = 20·log(P/P₀)), sound intensity level (SIL = 10·log(I/I₀)), intensity at a distance…
Calculate the wavelength of a sound wave from its frequency and speed, or find frequency from wavelength. Supports metric…
Calculate the observed frequency of a sound wave when the source or receiver is in motion. Uses the Doppler formula f = f₀…
Calculate how sound pressure level (SPL) changes with distance using the attenuation formula SPL₂ = SPL₁ − 20·log₁₀(R₂/R₁).…
Calculate the speed of sound in air and fresh water based on temperature. Supports Celsius and Fahrenheit input, with results…
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