US Patent Issued to DOPPLE IP on June 30 for "Environmental noise suppression method" (Dutch Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,933, issued on June 30, was assigned to DOPPLE IP B.V. (Assen, Netherlands).

"Environmental noise suppression method" was invented by Jacobus Cornelis Haartsen (Rolde, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A voice pick-up arrangement (500) provides improved voice performance in a wireless headset (12) exposed to loud environmental noise. A air microphone (220) and a vibration sensor (230) are used for sound pickup. An adaptive filter (450) may be used to subtract the noise from the vibration sensor output in a subtractor (460), thus producing a clear voice signal. A noise level may be monitored and be used for determining whethe...