ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,944, issued on April 15, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).
"Adaptive comfort noise parameter determination" was invented by Fredrik Jansson (Sundbyberg, Sweden) and Tomas Jansson Toftgard (Uppsala, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for generating a comfort noise (CN) parameter is provided. The method includes receiving an audio input; detecting, with a Voice Activity Detector (VAD), a current inactive segment in the audio input; as a result of detecting, with the VAD, the current inactive segment in the audio input, calculating a CN parameter CNused; and providing the CN parameter CNused ...