A downloadable audio plugin for Windows

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Simple pitch and volume fluctuation.


Flutterbird is a free, open-source effect plugin for adding pitch and volume fluctuation to incoming audio. It can be used for traditional wow/flutter effects as well as more chaotic, extreme modulation. Flutterbird has four separate oscillators with adjustable speeds that can be mapped to either pitch or volume.

Download it here, or check out the source on GitHub!

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Click download now to get access to the following files:

Flutterbird - Windows VST2 32-bit 731 kB
Version 2
Flutterbird - Windows VST2 64-bit 778 kB
Version 2
Flutterbird v2.0 alpha 3 - Windows VST2 32-bit 1 MB
Version 3
Flutterbird v2.0 alpha 3 - Windows VST2 64-bit 1 MB
Version 3

Development log