Patent ID: 11900920
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 4:
5. The sound pickup device according to claim 1,
wherein the target sound direction determiner includes
a first directivity synthesizer configured to form a directivity along the target sound direction by boosting a signal that comes along the target sound direction using the output signal of each of the plurality of microphone elements,
a second directivity synthesizer configured to form a sensitivity dead angle toward the target sound direction using the output signal of each of the plurality of microphone elements, and
a level comparison determiner configured to compare an output level of an output signal from the first directivity synthesizer with an output level of an output signal from the second directivity synthesizer and determine whether the target sound comes along the target sound direction.