A practical circumaural ear enclosure is described in which improved low-frequency attenuation is provided by a Helmholtz absorber in the form of an added volume selectively coupled to the enclosure. Some acoustical and mechanical problems associated with selectively coupled volumes are discussed.
(See document for exact affiliation information.)
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member Join the AES. If you need to check your member status, login to the Member Portal.
