Crafting Pure AI-Driven Music Videos with LTX-2.3 and Audio-Reactive LoRA
ART-ficial-Ignorance · reddit · 2026-08-01
The author shares a complete workflow for creating music videos using the LTX-2.3 video model alongside an audio-reactive LoRA. The core idea is to abandon conventional editing tricks like manual beat-synced flashes or speed ramps, allowing the model to generate visual transformations directly driven by the audio.
Workflow Breakdown:
- Beat Analysis: Used the 'BeatThis' tool to map the musical grid, setting each generation clip to 4 bars (approx. 10.5 seconds) so transitions naturally land on the beat.
- Prompt Generation: Passed the song in chunks to Gemma4 alongside a master style prompt and story progression, generating scene prompts tailored to the energy of each section using material descriptions like plasma, stellar dust, and gravitational ripples.
- Keyframes & Rendering: Generated all starting frames in advance, then used LTX-2.3's first-frame/last-frame generation to render the transitions.
- Audio Reactivity: Fed the matching audio segments directly into LTX-2.3 with the LoRA. Bass triggered orbital motion, mid-range shaped plasma clouds, and highs created sparks.
- Post-production: Rendered a best-of-three for each scene, requiring only minimal assembly and alignment afterward.
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