How directional speakers work and how they are applied

With the development of social economy, speakers, speakers are indispensable products in life, banks, supermarkets, schools and other life scenes can be seen speakers, because the traditional noisy environment has made people more and more disgusted, acoustics based on directional sound technology developed directional speakers, also called directional speakers, directional speakers.
What is directional speakers
Traditional loudspeakers are used to propagate sound over a wide area: audio electrical energy emits sound through electromagnetic, piezoelectric, or electrostatic effects that vibrate its cone or diaphragm and resonate (resonate) with the surrounding air.
Directional speakers are used to propagate sound in a specified direction area: sound is emitted by directional speakers to achieve specified propagation direction and propagation distance control, comparing sound to a "flashlight", which can "shine" sound energy to a precise location, producing a narrow audible beam.
Directional horn applications
Painting art exhibition, each painting work has a directional speaker for the introduction of the work, can allow users to hear and understand the creation mode of such art, the creation background, and the relevant experience of the author, etc., because of the directional function, so even if there is another speaker not far away, and then another product introduction, but in this process the sound will not be mixed together, so every visitor can carefully listen to the introductory description of different works in the art venue, banks, hospitals , schools, shopping malls and supermarkets, digital media billboards, hotels, libraries, cars, bus stop signs, homes and other places can use ultrasonic directional speakers.