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Specific acoustic impedance z is an intensive property of a particular medium (e.g., the z of air or water can be specified); on the other hand, acoustic impedance Z is an extensive property of a particular medium and geometry (e.g., the Z of a particular duct filled with air can be specified). [citation needed]
Download as PDF; Printable version; In other projects ... Acoustic attenuation; Acoustic holography; Acoustic impedance; Audio frequency; Audio noise measurement; C ...
A high impedance load (e.g. by plugging the end of the line) will cause a reflected wave in which the direction of the pressure wave is reversed but the sign of the pressure remains the same. Since a transmission line behaves like a four terminal model, one cannot really define or measure the impedance of a transmission line component.
Download as PDF; Printable version; ... Acoustic transmission is the transmission of sounds through and between materials, ... A high-impedance part of the instrument ...
The rayl is also used for the characteristic (acoustic) impedance of a medium, which is an inherent property of a medium: [6] = Here, is the characteristic impedance, and and are the density and speed of sound in the unperturbed medium (i.e. when there are no sound waves travelling in it).
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Download as PDF; Printable version ... the acoustic contrast factor is a number that describes the relationship between the densities ... Acoustic impedance; Acoustic ...
Sound pressure or acoustic pressure is the local pressure deviation from the ambient (average or equilibrium) atmospheric pressure, caused by a sound wave. In air, sound pressure can be measured using a microphone , and in water with a hydrophone .