Patent ID: 8737662

Claim:
An attachment for a microphone, the attachment comprising: a foam structure; a first cavity extending from a first opening at a surface of the foam structure and into the foam structure, the first cavity configured to seal a microphone at least partly into the cavity with sound receiving elements of the microphone fully installed in the structure; a second cavity extending from a second opening at the surface of the foam structure and into the foam structure, the second opening configured to receive sound from a sound source, wherein the second cavity is a cylindrical-shaped cavity with a substantially uniform diameter along a longitudinal axis of the second cavity; and the first cavity being fluidly connected to the second cavity within the foam structure so that a junction is formed between the first cavity and the second cavity, the junction, the sound cavity, and the sealing of the microphone working to shield the sound receiving elements of the microphone from sound other than received through the second opening.