Ear shield and head-mounted noise reduction earphone
A technology of earmuffs and earpads, which is applied to earphones/headphone accessories, etc., can solve problems such as no noise reduction processing, and achieve the effect of reducing negative pressure effect, reducing peak sound pressure level and bandwidth unevenness, and preventing self-excitation.
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[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0021] The invention provides an earmuff, which comprises a body with an inner cavity and an ear pad arranged on the edge of the inner cavity. The ear pad is an oval ring structure adapted to the shape of the outer ear. The ring sidewall has a grid mesh.
[0022] In the present invention, the inner side of the earpad is designed as a breathable grid net, on the one hand, the equivalent volume of the earpad itself is increased, so that the required equivalent volume and appropriate damping coefficient can be obtained in the earmuff, preventing the occurrence of Self-excited, which reduces the negat...
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