US 12,342,148 B2
Software and microphone device
Tomokazu Mitsui, Tokyo (JP); and Yudai Shinkai, Tokyo (JP)
Assigned to ZOOM CORPORATION, Tokyo (JP)
Filed by ZOOM CORPORATION, Tokyo (JP)
Filed on Mar. 9, 2023, as Appl. No. 18/119,322.
Claims priority of application No. 2022-036923 (JP), filed on Mar. 10, 2022.
Prior Publication US 2023/0292072 A1, Sep. 14, 2023
Int. Cl. H04S 5/02 (2006.01); H04R 5/027 (2006.01); H04R 5/04 (2006.01)
CPC H04S 5/02 (2013.01) [H04R 5/027 (2013.01); H04R 5/04 (2013.01); H04S 2420/11 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A non-transitory computer readable medium, storing a software causing a processor to execute a process comprising:
converting A format signals from four or more microphone elements applicable to ambisonics to B format signals W, X, Y, and Z;
distinguishing a direction of a specific sound source from a plurality of directions contained within a peripheral 360° of the microphone elements based on at least the B format signals W, X, and Y; and
generating and outputting an audio signal corresponding to the direction of the specific sound source based on at least the B format signals W, X, and Y.