在DE2开发板上实现对固定2KHZ噪音的滤波，音频输入信号为模拟信号，经过DE2开发板内的音频芯片WM8731处理得到数字信号。-implemention of a FIR filter(20KHz) on altera de2 board.

Zybo xc7z010 uation board,ssm6203音频编码器，PC端给音频输入，HPH输出口输出过滤噪音的音频，软件：xilinx vivado, vivado HLS, SDK-Zybo xc7z010 uation board, ssm6203 audio encoder, PC end to the audio input, HPH output port noise filter audio software: xilinx vivado, vivado HLS, SD