ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,188, issued on April 1, was assigned to LISNR INC. (Cincinnati).
"Magnitude equalization of audio-based data transmissions" was invented by Rebekah Farrar (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems are presented for correcting interference to audio transmissions containing data. In one embodiment, a method is presented that includes receiving an audio transmission that includes data modulated onto an audio carrier signal. A first portion of the audio transmission may be detected that includes predetermined frequencies that are produced at predetermined times. The method may further include determining a frequ...