VoxPopulus Pro is a comprehensive vocoder solution available as both a VST insert effect and an instrument plugin. The insert effect allows external audio signals or tracks to be routed directly into the vocoder, enabling real-time processing with rich vocal textures. Meanwhile, the instrument plugin supports sample playback and synthesizer sound generation, using frequency spectrum analysis from loaded samples to create unique tonal characteristics.

The plugin features a sophisticated filterbank with 17 filters and multiple slope settings, along with a voice/unvoice detector to enhance vocal clarity. Users can manipulate pitch shifting by an octave in either direction and fine-tune individual filters for precise sound shaping. A dynamic matrix system facilitates flexible routing between input, analysis, synthesis filters, and modulation sources, while a live XY matrix offers real-time automation to control filter release, pitch, and synthesis parameters for expressive performance.

Additional effects include stereo chorus, reverb, and delay that synchronize with the host tempo, enriching the overall sound palette. The synthesis engine supports six-voice polyphony with multiple waveform options such as supersaw, square, and triangle waves, complemented by overtone modules to add harmonic complexity. With sample support for 16 and 24-bit WAV files and detailed control over filter attack and release, VoxPopulus Pro delivers a powerful platform for creative vocoder sound design and musical experimentation.