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Comparison between FFT and 1/3 octave analysis

Here at AcSoft, we often get asked about the difference between FFT analysis and 1/3 octave analysis, so, equipped with an Apollo and Samurai software, John gives a short non-mathematical description of the two methods, and how they differ in practice, especially when converting from FFT to 1/3 octaves.

To find out more about the Samurai software package or the Apollo data acquisition box contact us.