Directional sound

$Sound from an array spreads less than sound from a point source, by the Huygens–Fresnel principle applied to diffraction.$

See sound from ultrasound for a beam of ultrasound that makes audible sound in a restricted target area without a receiving set.

Directional Sound refers to the notion of using various devices to create fields of sound which spread less than most (small) traditional loudspeakers. Several techniques are available to accomplish this, and each has its benefits and drawbacks. Ultimately, choosing a directional sound device depends greatly on the environment in which it is deployed as well as the content that will be reproduced. Keeping these factors in mind will yield the best results through any evaluation of directional sound technologies.

单词	Directional Sound
释义	Directional Sound 英语百科 Directional sound $Sound from an array spreads less than sound from a point source, by the Huygens–Fresnel principle applied to diffraction.$ See sound from ultrasound for a beam of ultrasound that makes audible sound in a restricted target area without a receiving set. Directional Sound refers to the notion of using various devices to create fields of sound which spread less than most (small) traditional loudspeakers. Several techniques are available to accomplish this, and each has its benefits and drawbacks. Ultimately, choosing a directional sound device depends greatly on the environment in which it is deployed as well as the content that will be reproduced. Keeping these factors in mind will yield the best results through any evaluation of directional sound technologies.
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