acoustic intensity

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• Acoustic targeted drug delivery — (ATDD) is a method that uses ultrasound energy to enhance the transport of molecules into and/or across specific tissues. Generally this class of ultrasound energy falls under the class of therapeutic ultrasound, and ranges in ultrasonic… …   Wikipedia

• Acoustic droplet ejection — (ADE) uses a pulse of ultrasound to move low volumes of fluids (typically nanoliters or picoliters) without any physical contact. This technology focuses acoustic energy into a fluid sample in order to eject droplets as small as a picoliter. ADE… …   Wikipedia

• Acoustic impedance — The acoustic impedance Z (or sound impedance) is a frequency f dependent parameter and is very useful, for example, for describing the behaviour of musical wind instruments. Mathematically, it is the sound pressure p divided by the particle… …   Wikipedia

• intensity level — noun the amount of energy transmitted (as by acoustic or electromagnetic radiation) he adjusted the intensity of the sound they measured the station s signal strength • Syn: ↑intensity, ↑strength • Hypernyms: ↑magnitude …   Useful english dictionary

• Acoustic mine — An acoustic mine is a type of naval mine which monitors audio activity in its vicinity. Depending on its design, it will either actively send out audio pulses, not unlike a sonar, listening to the speed at which the echo returns to it or… …   Wikipedia

• Acoustic reflex — The acoustic reflex (stapedius reflex, attenuation reflex, or auditory reflex) is an involuntary muscle contraction that occurs in the middle ear of mammals in response to high intensity sound stimuli.When presented with a high intensity sound… …   Wikipedia

• Acoustic guitar — An acoustic guitar is a guitar that uses only acoustic methods to project the sound produced by its strings. The term is a retronym, coined after the advent of electric guitars, which depend on electronic amplification to make their sound audible …   Wikipedia

• acoustic trauma — ▪ physiology       physiological changes in the body caused by sound waves. Sound waves cause variations in pressure, the intensity of which depends upon the range of oscillation, the force exerting the sound, and the distribution of waves.… …   Universalium

• acoustic phonetics — 1. the branch of science dealing with the sounds of speech in terms of their frequency, duration, intensity, etc., esp. as analyzed by means of instruments like the sound spectrograph and the oscillograph. Cf. articulatory phonetics. 2. a… …   Useful english dictionary

• Acoustic board — An acoustic board is a special type board made of sound absorbing materials. Their job is to provide sound insulation.cite book |author= |authorlink= |editor= |others= |title=Dictionary of architectural and building technology |edition= |language …   Wikipedia

• acoustic power — noun the physical intensity of sound • Syn: ↑sound pressure level • Hypernyms: ↑intensity, ↑strength, ↑intensity level …   Useful english dictionary