Active selective headset

Details Active selective headset Active selective headset

G - Physics

10

K

G10K 11/16 (2006.01) A61F 11/14 (2006.01) G10K 11/178 (2006.01)

Patent

CA 2136949

2136949 9325167 PCTABS00028 An active selective headset system characterized by a headset (51) having controller means (50) with an LMS adapter, feedback compensator and cancellation filter with reference microphone (54) and residual microphones (53) and speakers (52), where the controller means synthesizes an "anti-noise" to cancel the noise before reaching the ear canal. The headset which is selective, i.e., "anti-noise" signal cancels only the noise signal with minimal affect on speech and warning signal which pass to the ear canal.

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