介绍了新的声音采集方法，利用VHDL编写，对声音频谱分析有很强的拟合性-Introduced a new sound collection methods, the use of VHDL writing to sound spectrum analysis has a strong fit of

64*32点阵 声音频谱 温度计 遥控器 日历 stc12c5a40s2单片机-64* 32 dot matrix spectrum of the sound chip thermometer remote calendar stc12c5a40s2