Active/passive headset with speech filter

Details Active/passive headset with speech filter Active/passive headset with speech filter

G - Physics

01

K

G01K 11/16 (2006.01) A61F 11/14 (2006.01) G10K 11/178 (2006.01)

Patent

CA 2136951

2136951 9326085 PCTABS00028 An active/passive headset with a speech filter characterized by a controller (20) processing speech, noise and warning signals input from microphones (14) on closed back muffs (20) and providing an anti-noise output by a digital virtual earth or adaptive feedforward algorithm to speakers (12) adjacent a user's ear.

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