Title

Active plus selective headset (ANC)-U.S. Patent 5,815,582

Document Type

Patent

Publication Date

9-1998

Abstract

An active plus selective headset system for provision of active attenuation of broadband noise as well as speech filtering comprising a headset with reference microphones, residual microphones and speakers on each of a pair of open backed muffs and a controller means.

Comments

U.S. Patent 5,815,582, issued September 1998.

Published Citation

Claybaugh; David, Denenberg; Jeffrey N. , Busch; Ralph, Hohman; John. Active plus selective headset (ANC) US. #5,815,582 issued September, 1998