| 一种基于STM32F103C8T6单片机DSP库的音乐频谱 |
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| 引用本文： | 谢志平. 一种基于STM32F103C8T6单片机DSP库的音乐频谱[J]. 软件, 2020, 0(4): 200-202,228 |
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| 作者姓名： | 谢志平 |
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| 作者单位： | 广东省技师学院 |
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| 摘 要： | 利用STM32单片机内部的DSP库功能,将外部输入的音乐信号放大后再送入单片机内部的A/D转换器,运用STM32内部DSP库功能进行FFT运算,采用中断扫描技术,将音乐信号的频谱在32X64全彩点阵屏进行显示,能对音乐信号的频谱进行简单的分析,实现多种随音乐节奏舞动的视觉效果。
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| 关 键 词： | 单片机 DSP库 FFT 中断扫描技术 |
A Music Spectrum Based on DSP Library of STM32F103C8T6 Microcontroller |
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| XIE Zhi-ping. A Music Spectrum Based on DSP Library of STM32F103C8T6 Microcontroller[J]. Software, 2020, 0(4): 200-202,228 |
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| Authors: | XIE Zhi-ping |
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| Affiliation: | (Guangdong technician college,huizhou 516100,China) |
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| Abstract: | Use of STM32 MCU internal DSP library function,the music of external input signal amplification and then sent into single chip microcomputer internal A/D converter,use STM32 internal DSP library functions for FFT arithmetic,using interrupt scanning technology,the music signal spectrum in 32 x64 lattice screen for display,full-color to simple music signal spectrum analysis,realize the visual effect of A variety of dance with the music rhythm. |
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| Keywords: | Single chip microcomputer DSP library FFT Interrupt scanning technique |
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