We are dedicated to enhancing audio and video quality through advanced technologies. These include optimization of network transmission, video quality enhancement, echo cancellation, and intelligent noise reduction. Our research in key audio-video technologies, such as coding, video quality enhancement, ROI video detection, AI coding, dual-talk echo cancellation, automatic gain control, multi-channel dereverberation, intelligent sound source positioning, and intelligent AI noise reduction, aims to improve the performance of our core products. These products include multimedia dispatch communication systems and integrated video surveillance systems. By doing so, we continuously provide reliable, safe, and efficient support for the production and maintenance operations of our industry clients.