Standard Issue Plate
A classic "Dattorro Plate" reverb
DESCRIPTION
v1.2 Changes:
- Fixed two wireless connections that were going out to the wrong stereo outputs
- Reset the global output of the ensemble to 0dB. No idea why it was turned down
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v1.1 Changes:
- Added unit delays to the feedback path within the tank and also within the feed-forward path of the allpass filters to maintain full resolution
- Added basic input information to the Core cell inputs for quick & easy parameter setup
- Fixed a hilarious typo on the front panel I didn't notice
- Simplified labeling of Core macros for a more elegant structure
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Standard Issue Plate is a modern reiteration of the classic “Dattorro Plate” reverb algorithm discussed in Jon Dattorro’s 1997 paper “Effect Design Part 1: Reverberator and Other Filters”.
I’ve added a few things like dual input diffusers acting on a stereo input (rather than the mono-summed input with a single input diffuser) and some additional modulation routed to the rear allpass filters in the tank.
Other than that, this is a tried-and-true plate algorithm that has been used in countless applications for almost 30 years. I just wanted to get my arms around it since I feel it’s kind of a “right of passage” algorithm within the reverb design community.
The delay times have been scaled from 29,761 hz to the more modern 48,000 hz sampling rate. You can still use a lower sampling rate, but the delay times will be somewhat longer. Aside from a few basic primary UI elements, everything is done in Core and is feather-light on CPU.
The structure inside the Core cell is straightforward enough to be cross-referenced with the original paper, keeping in mind the scaled delay times, so it can be useful as an educational resource for anyone studying this algorithm.
— Bryan Lake
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