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...face tension]] and [[viscous]] [[attenuation]]. It is the frequency of the sound made by a drop of water from a tap falling in water underneath, trapping a ...th> and <math>c_g^2</math> being respectively the density and the speed of sound in the bubble. ...

...he characteristic dimensions of inhomogeneous inclusions through which the sound propagates. ...pagation varies slowly over the distances of wavelength, then an arbitrary sound wave can be approximated locally as a plane wave. In this case, the [[veloc ...

.... Proc., 8, 536-542.</ref><ref>Rayleigh, J. W. S. B. (1896). The theory of sound (Vol. 2). Macmillan.</ref> In simple terms, Rayleigh criterion states that ...as viscous/wall/nozzle/relaxation/homogeneous/particle damping, mean-flow effects, et, that are not accounted in Rayleigh's analysis.{{r|williams}} ...

...to the frontal subwoofer array. This will actively "absorb" any reflected sound. <math>c</math>: [[Speed of sound]] ...

...er of expansion for the velocity field that possess slight compressibility effects. The expansion was first studied by O. Janzen in 1913<ref>O. Janzen, Beitra where <math>c=c(v^2)</math>, the [[sound speed]] is expressed as a function of the velocity magnitude <math>v^2=(\na ...

...t-pressure processes, as well as the effects of adiabatic and isothermal [[sound speed]]s.<ref name=frs>{{Cite journal | doi = 10.1098/rsbm.2014.0012| title .../\partial t^2-\nabla^2</math> describes the wave propagation at isothermal sound speed. Molecular transports are neglected in the derivation. ...

...is wave differs from the other well-known small-amplitude wave that is a [[sound wave]], which propagates with respect to the gas within which density, pres ...solid-propellant rocket]]s and [[detonations]].<ref>Flandro, G. A. (1995). Effects of vorticity on rocket combustion stability. Journal of Propulsion and Powe ...

...se small spatial structures cannot be resolved by the waves, only indirect effects (e.g. wavevector dependence) remain detectable. An example of spatial dispe ...rsion contributes relatively small perturbations to optics, providing weak effects such as [[optical activity]]. Spatial dispersion and temporal dispersion ma ...

...a constant.<ref name="anderson" /> [[Compressible flow|Compressibility]] effects often come into consideration, though this flow model also applies to [[inc ...and the flow can become [[Choked flow|choked]]. Conversely, for [[Speed of sound|subsonic]] flow (an upstream Mach number less than 1), acceleration occurs ...

...implifies real-world conditions by neglecting [[Gas dynamics|gas dynamic]] effects, it offers valuable insights into the fundamental mechanisms of rapid react ...r relevant speeds such as, the deflagration speed, <math>u_f</math>, the [[sound speed]], <math>c</math> and the speed of the [[Chapman–Jouguet condition|Ch ...

...n as '''joint frequency encoding''', which functions on the principle of [[sound localization]]. Human hearing is predominantly less acute at perceiving the ...ape of the ear makes it such that the ITD can be recovered from IAD if the sound comes from free space, e.g. played through loudspeakers.<ref>F. Baumgarte a ...

...p.473–476</ref> As a result, vessel flutes have a distinctive overtoneless sound. {{listen |filename=Gemshorn pitch F.ogg |title=Sound of a gemshorn |description=A [[gemshorn]] playing the beginning of a French ...

PGEW‎s are [[elastic waves]] of the sound type, propagating at the [[speed of sound]]. PGEWs ‎ are reflected and participate in the [[interference process]]. T * ‎There are density fluctuations inside this volume (powerful sound, turbulent pulsations). ...

{{Short description|Delay-based audio effects system}} ...replicas of the input signal. The proposed scheme allows to implement such effects in a compact form, only using a set of three parameters to control the type ...

:*<math>c</math> is the [[speed of sound]] in the medium in cm/s.<ref>{{cite journal|last1=Palmeri |first1=Mark |las ...s, and are generated through a different mechanism, which does not require sound [[Absorption (acoustics)|absorption]] or [[Reflection (physics)|reflection] ...

...]] state referred to as reference conditions that are free of installation effects.<ref>Miller, W. Richard, "Flow Measurement Engineering Handbook", [[McGraw- === Installation effects === ...

{{short description|Measure of energy loss as sound waves propagate through a medium}} ...nuation formula takes into account both viscosity and thermal conductivity effects. ...

...are generally used for volume controls, due to the human ear's response to sound pressure being roughly logarithmic, whereas tone controls can employ both l ...f tones between a humbucker and a single-coil. Coil splitting results in a sound that's brighter and has less output than a full humbucker. It also eliminat ...

...elgerzonphotos.org.uk/surround-sound-from-two-channel-stereo.html Surround sound from two-channel stereo], see photos, retrieved 2014-01-02</ref> ...22/Has_Ambisonics_Come_of_Age ''Has Ambisonics Come of Age?''], Reproduced Sound 24 - Proceedings of the Institute of Acoustics, Vol 30. Pt 6, 2008, Fig. 7< ...

...evices. Multiple passive sonar devices must be used for triangulation of a sound source. No matter whether [[active sonar]] or [[passive sonar]], the inform ...modify the frequency content and the smoothing of waveforms to reduce the effects of noise. ...