Patent ID: 11902737
Assignee: HANGZHOU TARO POSITIONING TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 14:
15. A system for directional sound capture, comprising:
a light source attached to a sound source object in a scene;
a camera device configured to capture a sequence of images of the scene;
a microphone for the directional sound capture;
a direction control device coupled to the camera device and the microphone; and
a directional sound capture controller configured to:
detect, based on a pattern of local light change across the sequence of images, the light source in the scene;
determine a direction of the sound source object by at least determining a location of the light source in at least one image of the sequence of images;
generate, based on the direction of the sound source object, a control signal for directing a sensitivity direction of a microphone towards the sound source object; and
capture, using the microphone and in response to the control signal, sound emitted from the sound source object.