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 4 Band Shifter by Bitterspring is a Virtual Effect Audio Plugin. It functions as a VST Plugin.
4 Band Shifter
Product 4 Band Shifter
Developer Bitterspring
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.0  Downloads Released
Miscellaneous Information

4 Band Shifter is a VST Plug-in that is able to shift independently the pitch of 4 adjacent, user-definable frequency bands. Code is based on Stephan M. Bernsee's article, Pitch Shifting Using Fourier Transform.


  • Fast: it uses FFTW library to perform fast STFTs.
  • Can shift each frequency band independently in a range of (-12, +12) semitones.
  • Big display representing the frequency bands / gain per band / volume per band.
  • Can work in continuous or discrete mode.

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