Patent ID: 11910180
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The audio processing method of claim 1, further comprising storing correspondences between a plurality of preset positions and a plurality of HRTFs, wherein obtaining the M first HRTFs comprises:
obtaining M third positions of the M first virtual speakers relative to a current head center, wherein each of the M third positions comprises a first azimuth and a first elevation of a first virtual speaker relative to the current head center, and wherein each of the M third positions further comprises a first distance between the current head center and the first virtual speaker;
determining M seventh positions based on the M third positions, wherein the M third positions are in a one-to-one correspondence with the M seventh positions, wherein each of the M seventh positions and a corresponding M third position comprise a same elevation and a same distance, and wherein a difference between an azimuth in each of the M seventh positions and a first preset value is the first azimuth in the corresponding M third position; and
determining, based on the M seventh positions and the correspondences, that the M first HRTFs correspond to the M seventh positions.