The audio signal analyzer 32-bit MCU-based controller by the through the AD conversion of the audio signal sampling, the discretization of continuous signals, and then FFT Fast Fourier Transform calculations, in the time domain and frequency domain of audio signals in various frequency indicators such as weight and power analysis and processing, and then high-resolution LCD to display the signal spectrum. The system can accurately measure the audio signal frequency range of 20Hz-10KHz, the magnitude of the range of 5mVpp-5Vpp, resolution is divided into two tranches of 20Hz and 100Hz. Power Measurement accuracy up to 1 , and an accurate measurement of periodic signal cycles, is the ideal audio signal analyzer solution.

音频信号分析仪.doc

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