GSOC 2025 - Converting Demucs v4 (Hybrid Transformer) AI model to ONNX format

Mon 27 October 2025 Anmol Mishra gsoc, gsoc-2025, stems

Imagine loading any track in Mixxx and instantly isolating the vocals, drums, bass, or instruments live, in real time. This is the vision behind our Google Summer of Code 2025 project: "Converting Demucs v4 (Hybrid Transformer) AI model to ONNX format".

Mixxx 2.6 will support playback of stem files …

GSoC 2024: Adding STEM mixing support

Mon 26 August 2024 Antoine Colombier gsoc, gsoc-2024, stems

Disclaimer: The blog post primarily serves as the documentation for the Google Summer of Code 2024 project: "Multi channel mixing support (STEMS)".

Explore New Creative Horizons with Mixxx's Latest Feature: Stem Mixing

We're excited to bring a powerful new feature to Mixxx: Stem Mixing. While the concept of stems — separate …

Midsummer Mixxx

Wed 31 July 2024 Evelynne Veys harmonic mixing, stems

Let the Mixxx shine

Summertime, partytime. In the middle of the festival season you are maybe playing a sunny vibes gig somewhere. Or you are relaxing on the beach or at the pool with a cocktail in the hand checking the long list of music you had to discover. Both …