是用VERILOG HDL和NIOS II C/C++ 编的DE2-70板子的音频编解码芯片的使用工程-Is VERILOG HDL and NIOS II C/C++ code of the DE2-70 board in the audio codec chip, the use of project

通过altera开发板DE2_70实现语音记录与播放，添加FIR滤波器提升语音质量。附加硬件功能方框图以及软件流程图，以及改进方法。-By altera board DE2_70 voice recording and playback, added FIR filter to enhance the voice quality. Additional functional block diagram of the hardware and software flow chart, as wel

DE2_70 SD卡音乐播放的程序工程文件-DE2_70 SD Card Audio Player

这是基于DE2_70开发板的音频采集程序，使用了niosII软核，实现音频数据的采集和播放。-This is the audio capture program based on DE2_70 development board, use the niosII soft core to capture and playback of audio data.