Patent ID: 11956590
Assignee: nan
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A system comprising:
a data store; and
a processing device, communicatively coupled to the data store and to a number M of microphones of a differential microphone array (DMA), to:
specify a target directivity factor (DF) value for the DMA;
generate an N order beampattern for the DMA, wherein N is an integer and a first DF value corresponding to the N order beampattern is greater than the target DF value;
generate an N−1 order beampattern for the DMA, wherein a second DF value corresponding to the N−1 order beampattern is smaller than the target DF value; and
generate a fractional order beampattern for the DMA, wherein a third DF value corresponding to the fractional order beampattern matches the target DF value and the fractional order beampattern comprises a first fractional contribution from the N order beampattern and a second fractional contribution from the N−1 order beampattern.