Wednesday, October 14, 2020

Bitwig: Spring Theory

A spring reverb is a physical box with some short springs in it, a transducer, and a magnetic pickup that detects the vibrations. It can simulate a decaying reverberation based on how many springs, and the tightness of them. Typically used with guitars; sounds metallic, and echoed.

After listening to some reggae and "surf rock" style music, I became interested in creating a spring reverb in Bitwig. Here are some resulting presets that give a "springy" sound. The theory was to create a very short delay period with generous feedback. The higher resonance is cut off with a lowpass filter. the delay is inside a reverb with a small size to provide more vibration. the second version has some macro controlled parameters and a distortion at the end.

Within Bitwig there are probably many ways to create this type of device. starting with the basic delay, and reverb device.

spring theory #1:
an effects layer with 3 different tuned delays.

spring theory #2
chain with reverb and delay inside wetfx. rotary at the end to give channel variation.

spring theory #3
nearly the same as above, but with macros to control parameters and a distortion on the end.

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