Yutou Technology (hangzhou) Co., Ltd.

Yongjun Zhou

Xin Liu

Da Wei

Yujin Chen

The present invention relates to a multi-channel digital microphone, comprising: an array pickup unit and a processing unit, the array pickup unit comprises a plurality of pickup modules, arranged in array form, wherein each of the pick-up modules picks up the audio signals of the spatial region component, the array pickup unit converts a plurality of the audio signals of the spatial region component to a plurality of digital signal and outputs it; the pickup unit is connected to the processing unit, configured to extract and denoise the plurality of digital signals. The present invention adds a spatial region based on the time region and frequency region so that a pick-up de-noising process can be done for these received signals from different spatial directions.

Multi-channel digital microphone

The present invention provides for a display device, which is applied to rear projection system. The device includes a screen, which is curved with incident rays penetrating into a concave side of the screen, and then being transmitted by the screen, to form parallel rays to be emitted out from the convex side of the screen. The device also includes a projecting unit, configured to project rays of an image to the screen, the image including a valid area and an invalid area. The device yet further includes a covering plank, located between the screen and the projecting unit, and configured to cover the invalid area of the image for getting the light of the valid area of the image emitted by the projecting unit to project to the screen.

Growing community of inventors

Zhejiang, China

Yongjun Zhou