ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,244, issued on March 31, was assigned to Starkey Laboratories Inc. (Eden Prairie, Minn.).
"Reduced-bandwidth speech enhancement with bandwidth extension" was invented by Wenyu Jin (Eden Prairie, Minn.) and Tao Zhang (Eden Prairie, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ear-wearable electronic device is operable to apply a low-pass filter to the digitized voice signal to remove a high-frequency component and obtain a low-frequency component. Speech enhancement is applied to the low-frequency component. Blind bandwidth extension is applied to the enhanced low-frequency component to recover or synthesize an estimate of at least part o...