MATRIXSYNTH: One-Bit Delay, a new plugin by Infinite Digits, inspired by the PT2399 delay chip


Friday, February 20, 2026

One-Bit Delay, a new plugin by Infinite Digits, inspired by the PT2399 delay chip


video upload by infinitedigits

https://onebitdelay.com

"Introducing the One-Bit Delay plugin - a VST/AU inspired by the one-bit sampling delay circuits from the 90's. it is my love letter to the classic delay chips like the PT2399 and M50195P.

this plugin uses a one-bit stream at its core. like the classic chips, this plugin uses delta-sigma modulation to manage noise above the audio band (though the plugin has a configurable sample rate to change the noise level!). also the One-Bit Delay plugin has demodulation filters tuned to the PT2399, and the harmonic distortion is modeled and closely follows the change in resistance applied to the internal oscillator (like the PT2399).

thank you all who continue to support me, I'm truly grateful - your support is allowing me to continue to crystalize musical artifacts."

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