未来线路预测,分析误差,语音信号的采集与处理，数字信号处理课设，包括最小二乘法、SVM、神经网络、1_k近邻法。- Future line prediction, error analysis, Acquisition and Processing of the speech signal, digital signal processing class-based, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.