ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,620, issued on May 19, was assigned to Sound Devices LLC (Reedsburg, Wis.).

"Digital lavalier microphone" was invented by Matthew G. Anderson (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lavalier microphone has improved dynamic range. The lavalier microphone incorporates a pair of microphone transducer elements into the same housing or attached housings, with one of the microphone transducer elements being more sensitive to acoustic input than the other. The voltage signals from the respective transducer elements are processed and combined, resulting in a digital output audio signal with improved signal to noise both at lower and h...