Data Acquisition数据获取代码，主要从麦克风获取语音信号，然后real time plot输入信号的时域和频域波形图-Data Acquisition Data acquisition code, mainly for voice signal from the microphone, and then real time plot of the input signal in time domain and frequency domain waveform

用python和R语音实现爬虫功能，以此获取所需要的数据。(Use Python and R to implement crawler function and obtain data.)