qt uses bass library to realize FFT visualization

I can help you understand how to use the Bass library for FFT visualization. You can start with a brief introduction to the Bass library, which is a powerful library for processing multi-channel audio and MIDI. You can use it to do many things, such as: play audio, capture audio, mix audio, process audio data, calculate FFT, visualize and so on. To implement FFT visualization, first prepare an input audio file, then use the Bass library to convert it into a recognizable format, then calculate the FFT through the Bass library, and finally use a graphics library (such as Qt) to visualize the result.