Three browser synthesizer interfaces arranged as an instrument family

Special mention · Side initiative

Browser Synths

Four instruments exploring how VST-scale sound design can live on the web

Independent initiative

Overview

This side initiative explores a simple proposition: expressive software instruments should be playable from a link, without installation, accounts, or a studio setup. I designed four synth concepts as one family, ranging from an approachable ambient instrument to a dense semi-modular workspace. Each concept tests a different balance between immediacy, learnability, performance, and deep control.

Challenge

A hardware panel can rely on physical scale, muscle memory, and dedicated controls. A browser instrument has to recreate that confidence through pixels, while supporting a mouse, trackpad, computer keyboard, MIDI input, smaller screens, and limited attention. The challenge was to preserve the character and directness of a real instrument without turning the interface into either a decorative replica or a generic settings panel.

What I drove

  1. Defined four product directions around distinct musical jobs: live pattern-making, subtractive sound design, ambient sketching, and semi-modular experimentation.
  2. Translated oscillators, filters, envelopes, modulation, effects, sequencing, and patching into visible browser interaction models.
  3. Designed consistent feedback for control values, active steps, recording, playback, routing, engine state, and keyboard input.
  4. Created detailed, implementation-minded interfaces that can later be connected to the working HTML instruments as interactive portfolio demos.

Key decisions

  1. Design each synth around a creative outcome instead of forcing one universal level of complexity.
  2. Keep the signal path legible through grouping, labels, control hierarchy, and persistent state feedback.
  3. Use the computer keyboard as a first-class instrument so every visitor can play immediately.
  4. Treat visual character as functional: each instrument should communicate its sound, depth, and intended pace before a note is played.

A browser-native instrument

The goal was not to reproduce hardware panels literally. I kept the tactile cues that help musicians form a mental model—knobs, keys, signal sections, patch points, and sequencer steps—then added the things a screen can do better: precise value readouts, active-state colour, contextual instructions, direct keyboard mappings, preset states, and clearer recovery. The result is familiar enough to explore quickly, but explicitly designed for interaction in a browser.

01 · Paravox PV·3

Paravox is the performance-first instrument: a three-voice paraphonic synth for building chords, riffs, and rhythmic sketches in one place. Voice and octave modes shape the musical range; VCO, VCF, LFO, envelope, and delay controls keep the synthesis path approachable. A 16-step note sequencer and compact drum grid turn the synth into a self-contained idea machine, while labelled computer-key mappings make it playable without external equipment.

02 · Three-oscillator lab

This concept exposes the classic subtractive signal path with very little abstraction. Controllers feed an oscillator bank, the oscillators enter a mixer, modifiers shape the filter and loudness contours, and the result reaches a dedicated output section. The horizontal architecture helps a learner understand cause and effect, while modulation, patch points, randomisation, recording, and an on-screen keyboard give an experienced musician enough room to discover less predictable sounds.

03 · Dreamgarden

Dreamgarden deliberately reduces the surface area. It is an eight-voice polyphonic instrument for ambient chords and fast musical sketches, centred on a ladder filter, slow modulation, an envelope, stereo width, shimmer reverb, and tape delay. The compact vertical layout gives every control a clear purpose. An eight-step sequencer provides motion without asking the player to manage a full production environment, making the instrument feel closer to a focused musical object than a workstation.

04 · DeepPlug

DeepPlug is the expert end of the family: a semi-modular performance synth with two oscillators, envelopes and function generation, mixing, multimode filtering, wavefolding, effects routing, MIDI/CV controls, and a full patch bay. The interface stays dense because density is part of the value, but it is organised as numbered modules with visible defaults and routing guidance. Engine-quality controls also acknowledge a browser-specific constraint: the musician should be able to trade processing cost for fidelity rather than experiencing performance limits as unexplained failure.