A previous paper by the author described certain improvements in low frequency attenuation of a circumaural ear enclosure by means of a Helmholtz absorber in the form of an added volume selectively coupled to the ear enclosure. This paper describes a practical embodiment, and discusses some acoustical and mechanical problems associated with selectively coupled volumes.
https://www.aes.org/e-lib/browse.cfm?elib=981
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 and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.
Learn more about the AES E-Library
Start a discussion about this paper!