The music spectrum source code based on MCU
2016-08-23
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The cool at least something so is this computer before, whenever see blind box power amplifier on the rows of lights, with the broadcast of music as a wave like jumping, or in open dry static Xin music player software to see the dynamic spectrum to follow the music rhythm and beautiful dancing with can not help thinking of stem million to their day personally with ordinary MCU DIY Dongdong, it will be either a sense of achievement of our electronic enthusiasts, this is many people have dreamed of. With the blind box came the wonderful music, was originally only listen to the music, but now can see, to bring visual enjoyment.Key Technology
First, we using ADC to sample an analog signal to change into a digital signal. According to the sampling theorem, because the maximum frequency of the audio signal is about 20kHz, if the ADC sampling trouble rate set to 40KHz high sampling frequency and signal frequency of two times canc
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