The present invention relates to a technical field of voice interaction, especially to a voice
direction searching system and the method thereof. The present invention utilizes a …

A device is operative to locate a target audio source. The device includes multiple
microphones arranged in a predetermined geometry. The device also includes a circuit …

A sound output device which can be fitted flush to match shape and contour of a desired
housing device includes an arc-shaped shell as the housing, a mainboard, at least one first …

A device comprising: an acoustic metamaterial (AMM), wherein the phase velocity of an
acoustic wave is reduced at low frequencies as compared to the phase velocity at higher …

Embodiments include a microphone assembly comprising an array microphone and a
housing configured to support the array microphone and sized and shaped to be mountable …