E-Song Digital Limited, established in April 2004, has been a leading solution provider and manufacturer of Video/Audio/IoT/ Tracker with AI algorithm in different applications. We have in-house RD team with industrial design, moulding developping, PCB design, embedded firmware design, APP and back-end managment system development. Our product ranges from body-worn camera, vehicle MDVR, IoT camera/sensors to trackers and other products based on Video/Audio/IoT/Tracker. We are ODM designer and manufacturer of Motorola, Rentokil, Pioneer, HK Government, Museum, ect.. In AI aspects, we have our own Video/Image/Audio Search Engine, to search people, objects, buildings, equipments, speaking from private database or public social medias like Youtube, Facebook, Instagram, Weibo, ect., which are in actual applications for government, police, army, museum, ect. We are also expertised in ASR, automatic speech recognition with high accuracy, specially for Cantonese, with applications for live report caption, influencer live caption, movie caption, ect, Besides, we also have OCR algorithm to recognise characters, numbers from video/image. With about 20 years of development and experience, E-Song has become an expert to bring your product ideas or demand to an actual product or a complete solution.