WIMI Hologram (NASDAQ:WIMI) has developed an intelligent robot voice control system based on artificial intelligence. Through the voice recognition system, the robot can accept voice commands input by users and complete actions indicated by voice commands. Intelligent speech interaction: based on speech signal recognition, combined with natural language processing and conversation management technology, extract and analyze input information, and finally output in the form of speech synthesis or text, and achieve the corresponding response. Intelligent voice interaction is widely used in human-computer interaction, quality inspection, business processing, identity identification and other aspects to reduce business operating costs and improve the efficiency of business processing.
WIMI Holography uses artificial intelligence technology to create an intelligent robot voice fast sound control system to improve the system response speed from multiple perspectives:
In the aspect of signal detection, it is a basic and important problem in the process of speech recognition to find the start and end points of speech signals so as to reduce the amount of computation in the process of speech signal processing. As an important feature of speech segmentation, the accuracy of speech endpoint affects the recognition effect of the system to a great extent. Eliminating background noise and improving the accuracy of speech recognition have become the focus of research.
In the aspect of speech recognition: the fixed-point DSP speech recognition technology with powerful data processing ability is adopted to realize real-time control of the robot, and real-time speech recognition can be realized. High recognition rate, high security, strong stability, voice operation more humanized. It can also identify the direction of the user's sound source and determine the user's position through the location of the sound source, thus improving the human-computer interaction experience.
In the aspect of voice control: using offline voice control technology, compared with online voice control technology, has higher intelligence, will not be restricted by the network. The response speed of offline speech control is faster and more stable. It can not only be used normally in the environment without network, but also not be affected by noise. In the background noise environment, it can also achieve high precision offline speech recognition rate.
After the upgrade of the voice control technology of intelligent robot, its recognition rate is higher and more accurate. At the same time, the response time of voice recognition is shortened, so that the intelligent robot can get the response in the shortest time. After the upgrade, the intelligent robot can better meet the needs of users. With the increase of speech recognition instructions, more and more definitions of syntax, recognition rate and computation increase. The research and development team of WIMI Holographic (NASDAQ:WIMI) will focus on improving the recognition rate of large vocabularies, long sentences and complex statements as well as the robustness of the system. In the future work, we will try to further study the corpus and add artificial features into the training process of artificial intelligence neural network to further improve the accuracy of training.