Valhalla DSP releases ValhallaFreqEcho

Valhalla DSP

Valhalla DSP has released ValhallaFreqEcho, a freeware effect plug-in which combines a wide range frequency shifter with an analog style delay, for a variety of paradoxical audio effects.

Bode-style frequency shifter + analog echo emulation = skull melting chaos.

Sonic results range from subtle chorusing and double tracking, to barberpole phasing and flanging, to runaway echos spinning through your skull, to endless glissandos. Perfect for those Dr. Who sounds, dub, and all of your psychedelic needs.

ValhallaFreqEcho is available as a freeware VST plug-in for Windows and Mac (Mac AU coming).

Note: This is a pre-alpha release, so you might encounter some bugs.

More information: Valhalla DSP

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ronnieSean Costello Recent comment authors
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Sean Costello
Sean Costello

I just posted updates to the plugin, available at

New features:

– Low Cut and High Cut controls for feedback, for getting a variety of echo sounds

– Audio Unit version now available, in addition to VST for PC and OSX