This is a widget for KDE Plasma 6 that implements a small program developed in C++ leveraging the ALSA libraries included in most distributions and the Radix-2 FFT algorithm to analyze audio and display bars with a wave effect representing the music being played on the system.
- Right click on the desktop
- Click on "Add Widgets"
- Click on "Get New Widgets"
- Click on "Download New Plasma Widgets"
- Search for "Audio Wave Widget"
- Click on "Install" and you're done!
In some cases, it will be necessary to install libasound2-dev and a C++ compiler (gcc), but it is worth noting that these packages are pre-installed in most distributions..