原创 双色点阵做的FFT音乐频谱显示(千千静听效果)

前阵子做功放,郁闷,问题一大堆,还好MCU部分没问题,做板时考虑了我的点阵驱动,所以郁闷之余,先玩玩点阵,把几年前的频谱显示移植了一下,之前用mega8做的,才64点的FFT,点阵也很少,才三个.现在用stm32,又有了64*32的点阵,所以把那个移植过来,应该效果不错.
废话不说了,看效果:
采样率是43.65Khz,做512点FFT,单位频率为85.225Hz

                                                              1Khz正弦波的频谱

                                                    千千静听显示1Khz的正弦波频谱

                                                   播放音乐的效果1

                                                              播放音乐的效果2

                                                      播放音乐的效果3

                                                          播放音乐的效果4

                                                                 千千静听的效果

                                                          效果对比1

                                                                   效果对比2

                                                         效果对比3

                                                       效果对比4

                                                                    效果对比5

视频效果:

http://v.youku.com/v_show/id_XMTYwNDc2MjI4.html
http://v.youku.com/v_show/id_XMTYwNDY4OTEy.html