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Question:

What is the principle of sound-absorbing panels?

What is the principle of sound-absorbing panels?

Answer:

Sound-absorbing board sound-absorbing principle ---- sound-absorbing material is divided into micro-type and fiber type, and there is no essential difference, sound-absorbing principle is to leave the sound can enter the channel (countless together with the tiny holes in the channel, By the countless fibers crossed together in the formation of countless small gap), but the sound once in the go out, because the channel is too chaotic too long, the sound inside the drill drilled to the left and right hit, in the This process gradually consumed energy, played a role in sound absorption.
Jul 4, 2017
All the things that have a long, subtle channel can be used as a sound-absorbing application, such as cotton, all kinds of fiber to help, cotton, sponge, carpet; but like ordinary foam, egg box, wood and the like things basically no sound
Jul 4, 2017
Similar to the needle surface (like a lot of knot tied into a bundle to form a "plane") theory is the best sound-absorbing material, acoustic laboratory is so designed, the principle is to reach the "needle" surface after the sound, constantly Inward reflection, and never reflected out, this surface can be the same as the black hole to the sound (and light) completely absorbed. This is the silencer used in the "sound-absorbing split." But this method is expensive, and the general studio and HIFI listening room does not need such a complete sound-absorbing, so are using the front material.
Jul 4, 2017

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