ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,302, issued on Nov. 4, was assigned to Sonos Inc. (Goleta, Calif.).
"Calibration of audio playback devices" was invented by Patrick McPherson (Somerville, Mass.), Shao-Fu Shih (Boston) and Klaus Hartung (Santa Barbara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An audio playback device comprises a microphone, a speaker, and a processor. The processor is arranged to output by the speaker first audio content and receive by the microphone an indication of the first audio content. A first acoustic response of a room in which the audio playback device is located is determined based on the received indication of first audio content. A mapping is...