Span is definitely one of the best free plugins out there, we almost can’t believe that it is free out there! We are talking about a mixing plugin which you can put directly to your master channel and see the a detailed analysis for your track!
Some of it’s features are
- Fast Fourier transform spectrum analyzer
- Stereo, mid-side, surround spectrum analyzer
- Stereo correlation meter
- EBU R128, K-system meter
- RMS, true peak level and clipping detector
We recommend you download it immediately!
It is available for Free download at : https://www.voxengo.com/product/span/
Below you can find a video from the author of this article to help you with getting started with SPAN Spectrum Analyzer Plugin.