In the beginning of 2020, a sudden epidemic broke out . How to travel safely and prevent virus infection has become a concern for everyone.

AI war epidemic in progress

Nationalchip, as the first technology company to release AI chips, applied AI voice control technology to the epidemic prevention and control management in public places at the first time. Through unremitting efforts, it has handed over an answer sheet belonging to China chip in this epidemic situation!

Through the close cooperation between chips and solutions, SoundPi offline voice module jointly developed by Nationalchip and its partner SoundAI, and AYAH Quasar series smart voice module developed jointly with partner AYAH have launched elevator intelligent voice solutions, realizing "no contact in the air" and zero risk of taking the elevator!

These two AI speech modules are equipped with a series of AI speech chips developed by Nationalchip, with NPU neural network computing unit, supporting off-line hybrid working mode, and built-in DSP speech signal processor, which can accurately capture voice signals from all directions, carry out voice noise reduction processing, and perform local speech recognition.

At present, the contactless AI voice solution for elevator has been developed. A customized algorithm for the elevator voice interaction scene is built in. The factors that affect the sound source signal acquisition with masks are considered, and the difficulties such as multipath reflection, reverberation and click noise interference in the closed elevator are optimized.

At the same time, the offline version has realized the functions of voice calling elevator and floor, voice broadcast reminder, etc.; the off-line hybrid version can also realize the functions of epidemic situation notification, community notification, weather forecast, elevator usage record, etc.