ALEXANDRIA, Va., April 9 -- United States Patent no. 12,271,654, issued on April 8, was assigned to REALTEK SEMICONDUCTOR CORP. (Hsinchu, Taiwan).
"Audio dose monitoring circuit" was invented by Yu Wei Liu (Hsinchu, Taiwan), Chi Wu (Hsinchu, Taiwan) and Chia Chun Hung (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio dose monitoring circuit includes: a sound level measuring circuit arranged to operably generate multiple sound level values, wherein the multiple sound level values respectively correspond to the sound levels generated by an audio playback device at multiple time points or the sound levels received by a microphone at multiple time points; an audio dose calculating circuit ...