Is Synplant 2's new prompt-based patch generator the future of synthesis?
Describe a sound, texture or instrument, and Synplant's new PhenoType feature will attempt to recreate it using the synth's text-to-patch sound engine
Sonic Charge's Synplant 2 is one of the most innovative synth plugins released in recent years, not only thanks to its unique 'genetic' workflow, but also the groundbreaking Genopatch function introduced in version 2.
Genopatch is an AI-powered tool that generates synth patches based on imported audio, analysing a sample to create a similar-sounding patch in Synplant based on its sonic characteristics. As the first synth plugin to introduce this kind of capability, Synplant has been consistently ahead of the curve when it comes to AI-based sound design.
Today, Sonic Charge continues to lead the charge with the introduction of PhenoType, a new feature for Synplant 2 that allows users to generate synth patches from text descriptions. Much like prompt-based song generators like Suno or text-to-sample tools such as Waves' Illugen, PhenoType responds to text descriptions, using these to guide Synplant's sound engine towards a patch that reflects the input.
The process is simple: once you've downloaded and installed the script (which is free for Synplant 2 owners), just open up PhenoType and type in a description of the patch you'd like to create.
This could be anything from simple, well-known sounds ("reese bass", for example) to more complex descriptions that cover multiple timbral characteristics, like "soft ambient pad, slow attack, sweeping resonant filter, strong reverb". (Listen to the example below to hear what PhenoType came up with in response to that prompt.)
Once your description is ready, hit EXE to generate a patch, or alt-click to edit the previous result. The RND button will suggest a random prompt if you're lacking inspiration, and a handy CLR button empties the text field. Each patch will be accompanied by a description beneath that shows how PhenoType would describe the sound its created, and a confidence score that rates how close the results are to the initial description.
Notably, PhenoType isn't built on a large language model, or even marketed as an AI-powered feature. Instead, the algorithmic text parser runs locally in Synplant with no internet connection required. Its specialized neural network works with hundreds of internal tags – along with synonyms and variations – to build its patches, and Sonic Charge advises that simple, natural English will get you the best results.
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The company suggests that specific prompts like "a reverb-drenched pad with a slow attack and some modulation" should work well, while more abstract descriptions ("a sound that resembles a busy cafe heard from the street outside") are beyond its abilities. (If the parser doesn't understand your description, it'll generate a random patch instead.)
PhenoType is still in its early stages, and though it performed well at generating basic patches from easily understandable prompts, complex descriptions typically yielded mixed results. Even when PhenoType didn't quite hit the mark in terms of accuracy, though, it usually produced some creatively inspiring and highly usable sounds.
While the text-to-patch concept isn't entirely novel, Sonic Charge is the first established plugin developer to integrate this kind of tech into a well-known software synth – and much like Synplant's GenoPatch feature, PhenoType is another major leap forward from a forward-thinking developer that continues to surprise us.
"The idea for PhenoType came from working on a new technology for Synplant: an algorithm capable of describing Synplant patches using words and tags," reads a press release from Sonic Charge.
"At some point, we started thinking: If an algorithm can create descriptions from patches, should it not also be possible to run the process in reverse and create patches from descriptions? Once this idea was planted, we simply had to try building it."
Head over to Sonic Charge's website to find out more and download PhenoType. You'll need a Synplant 2 license to download and use PhenoType: the plugin is priced at €149 but a free trial is available.

I'm MusicRadar's Tech Editor, working across everything from product news and gear-focused features to artist interviews and tech tutorials. I love electronic music, and I love writing about the tools and techniques we use to make it.
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