US Patent Issued to Pindrop Security on April 21 for "Voice modification detection using physical models of speech production" (Georgia Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,132, issued on April 21, was assigned to Pindrop Security Inc. (Atlanta).

"Voice modification detection using physical models of speech production" was invented by David Looney (Atlanta) and Nikolay D. Gaubitch (Atlanta).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer may train a single-class machine learning using normal speech recordings. The machine learning model or any other model may estimate the normal range of parameters of a physical speech production model based on the normal speech recordings. For example, the computer may use a source-filter model of speech production, where voiced speech is represented by a pulse train and unv...