基于8位单片机的玩具控制器的研究与实现

Research and Implementation of Toy Controller Based on 8- bit Microcontroller

针对特定音频信号的时延估计,设计了一种基于8位单片机实现声源识别与测向功能的玩具控制器,传声器阵列用来接收声音信号,单片机用来对声音进行检测、前后识别、模式识别、测向。系统采用变采样率与交替采样能够提高声源模式识别和测向性能,实验结果表明,控制器硬件性能良好,软件算法精简,运算量小,可以应用在实时系统中。

For time delay estimation of specific audio signal, a toy controller based on 8 - bit microcontroller with the func- tion of voice recognition and direction - finding is designed. The characteristics of the controller are receiving the sound sig- nal based on the microphone array and checking the sound, before and after identification, pattern recognition, direction - finding based on 8 - bit microcontroller. The performance of the system by variable sampling is improved rate and alternate sampling is improved. The experimental results show that the system has advantages such as good hard ware performance, simple implementation of software algorithm, small amount of computation. So it can be usedas in real - time system.