https://apps.microsoft.com/detail/9p2d7j6dsh8r?hl=en-US&gl=US
ATB Audio Analyzer - Download and install on Windows | Microsoft Store
The time accurate multichannel analyzer program for audio measurement technology, with special measurements for time correct crossovers, loudspeaker...
download and installaudio analyzeratbwindowsmicrosoft
Sponsored https://www.ebay.com/itm/800430961831?_skw=Analyzers+Data+Acquisition+Equipment&hash=itemba5d6734a7%3Ag%3AS2AAAeSwWUhqaufm&mkevt=1&mkcid=1&mkrid=711-53200-19255-0&campid=5339165021&customid=&toolid=10049
Secondhand BDS PP-31 Green Audio Spectrum Analyzer Display Music Spectrum
$114.00
green audiospectrum analyzersecondhandbdspp
https://projecthub.arduino.cc/shajeeb/32-band-audio-spectrum-visualizer-analyzer-924af5
32-Band Audio Spectrum Visualizer Analyzer | Arduino Project Hub
This project is for making a 32-band audio (music) frequency spectrum analyzer / visualizer using Arduino.
audio spectrumarduino projectbandvisualizeranalyzer