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Real-time audio spectrum analyzer & generator is proposed to design as a test instrument (with 1-2 Hz accuracy), which has following objective:
●Signal Analyzer: Measure the spectral contents of the analog signals in audio frequency band. Analog signal captured from 3.5 mm stereo input are processed inside DSP kit & measurement results are sent over UART to a Python based display.
● Signal Generation: In this mode, it can be used as signal generator to generate the analog signal through 3.5 mm output jack.
Abhishek Pal
Posted by 
Swapnil Thakur
Swapnil ThakurThanks to Anil Kumar Garg.
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