So you can benefit from the more accurate time resolution of the band-pass filters and the better frequency resolution of the FFT at the same time. SpectrumAnalyzer has a FFT (Fast-Fourier-Transform) and an analog-style (parallel band-pass IIR filter) engine, both of which can run simultaneously. SpectrumAnalyzer comes in two editions, a free and a full version. SpectrumAnalyzer is a spectrum analyzer plugin that offers a lot of opportunities to display the spectral content of your audio material, which helps you create a better mix. SpectrumAnalyzer is a free spectrum analyzer VST, VST3, Audio Unit, AAX plugin developed by SIR Audio Tools.
