Acid V (2023)
Digital recreation of a classic corrosive bassline machine, featuring an evolved sequencer and additional enhancements for performance and playability.
Role: Circuit modeling and DSP development of core algorithms.
This portfolio presents commercial products I've contributed to across software, hardware, and embedded platforms, spanning instruments and effects, real-time systems, and audio engines.
Digital recreation of a classic corrosive bassline machine, featuring an evolved sequencer and additional enhancements for performance and playability.
Role: Circuit modeling and DSP development of core algorithms.
Faithful emulation of the iconic analog synthesizer, capturing its raw, screaming character with high fidelity.
Role: Circuit modeling and DSP development of core algorithms.
New sound engine for this classic polyphonic synthesizer plugin, improving authenticity and expanding expressive capabilities.
Role: Circuit modeling and DSP development of core algorithms.
Fourth edition of this classic plugin with a fully reworked sound engine, closely matching the original while adding modern functionalities.
Role: Circuit modeling and DSP development of core algorithms.
Digital incarnation of the legendary growl machine from the '80s.
Role: Circuit modeling and DSP development of core algorithms.
Recreation of a venerated vintage synthesizer with extended features such as polyphony and extra modulations.
Role: Circuit modeling and DSP development of most of the DSP engine.
Component-level model of the Buchla Music Easel synthesizer, extended with polyphony, MIDI sync, and modulation options.
Role: Circuit modeling and DSP development of most of the DSP engine.
Ladder filter model based on my original research, delivering accurate emulation and wide modulation capabilities.
Role: Circuit modeling and DSP development.
Full component-level simulation of a rare 1960s spring reverb, including germanium transistors and incandescent lamp compression.
Role: Circuit modeling and DSP development of most of the DSP engine.
Digital reincarnation of the classic BBD delay pedal, capturing the dark/lo-fi character while adding modern functionality such as stereo and mid/side processing.
Role: Circuit modeling and DSP development.
Powerful floorboard amp modeler featuring lots of modeled devices as well as an own black-box capturing/profiling system.
Role: Circuit modeling and DSP development of distortion pedals and other effects.
Series of plugins replicating specific guitar/bass amplifiers and related effects, as well as the gear used by famous artists.
Role: Circuit modeling and DSP development of preamps, power amps, distortions, and other pedals.

Modern synthesizer combining algorithmic modeling and advanced convolution to deliver raw, "finished-sounding" synthesis, with an emphasis on speed, depth, and sonic transparency rather than vintage emulation.
Role: Circuit modeling and DSP development of core algorithms based on Brickworks and Brickworks Pro.
Virtual analog polysynth combining faithful subtractive architecture with digital precision, expanded polyphony, advanced modulation, and spatial features.
Role: Circuit modeling and DSP development of core algorithms based on Brickworks and Brickworks Pro.
Family of analog-inspired audio plugins comprising a polysynth, a chorus, and a resonant low-pass filter, all derived from classic synthesizer circuitry and adapted for modern production workflows.
Role: Circuit modeling and DSP development of core algorithms based on Brickworks and Brickworks Pro.

Analog-inspired filter and drive suite that merges modeled filters with advanced modulation, envelope following, and MIDI-driven dynamics to function as a flexible, animated tone-shaping block.
Role: Circuit modeling and DSP development of core algorithms based on Brickworks and Brickworks Pro.
Compact 500-watt bass amplifier head that combines an ultra-clean analog power stage with fully programmable digital signal chains, effects, cabinet simulation, USB audio, and MIDI control.
Role: Design and implementation of distortions, modulations, and tuner algorithm.
Compact headphone amplifier and cabinet simulator for guitar and bass, supporting user-loadable IRs, Bluetooth audio playback, USB connectivity, and dual headphone outputs for practice, recording, or performance.
Role: Design and implementation of amplifier models and tuner algorithm.

Physical-modeling synthesizer simulating augmented string instruments, including nonlinear string interaction, dynamic fret and rattle, and with integrated modulation and effects.
Role: Distortion, drive, fuzz, phaser, tremolo, and wah effects are based on Brickworks.

Virtual analog synthesizer plugin based on detailed modeling of classic vintage instruments, featuring dual oscillators, flexible multimode filtering, extensive modulation, and a large preset library.
High-performance smartphone featuring a triple 50 MP camera system, AMOLED 120 Hz display, Snapdragon 8-series platform, long-lasting silicon-carbon battery, and the Glyph Matrix visual interface.
Role: Development of new features for their audio engine.
Prototype of a freeze/sostenuto effect based on an original algorithm of mine, first developed as a plugin and then "ported to the physical world" using the Elk/Raspberry Pi platform.
Role: Everything.
Remote real-time music creation and performance system, allowing to play music together live over the Internet even when miles apart.
Role: Design and implementation of real-time error concealment and low-latency resampling algorithms.
Sushi is the headless DAW at the core of audio and MIDI processing in the Elk Audio OS.
Role: Internal plugins are based on Brickworks.

Virtual pedalboard iPhone/iPad app with 16 essential effect pedals and zero-latency glitch-free audio engine based on Brickworks.
Role: Everything.

Wah effect that runs on original Commodore 64 machines or as a plugin on modern hardware, using the SID chip's analog filter or the corresponding emulation algorithm from Brickworks Pro, to deliver characterful, stepped, resonant filtering with LFO modulation.
Role: Everything.

Compact 6HP Eurorack drum module featuring four independent digital voices, each combining dedicated synthesis engines and sample playback to create a wide range of percussive sounds in a performance-oriented design.
Role: Redesign of synthesis algorithms for the second major firmware release.
Audio DSP libraries providing a broad set of foundational and advanced algorithms for building high-quality audio engines, ranging from general-purpose processing to state-of-the-art components for demanding and high-end applications.
Role: Everything.
In addition to the projects featured here, I have contributed to many more commercial products including synthesizers, audio effects, studio tools, and medical applications, collaborating with companies around the world under NDAs.
For business inquiries (consulting, algorithm development, licensing), drop me an email at s@dangelo.audio.