SepGen: Multi-Stem Audio-Video Separation and Generation in a Single Model
A 4D audio-visual scene comprises a video, the dynamic geometry it depicts, and the sound sources that populate it, each with its own position and trajectory. Rendering such a scene from a novel viewpoint requires that every source be available as an individual waveform, so that it can be localized in the scene and propagated to the observer before the signals are mixed. Joint audio-video generators can synthesize the video and its soundtrack, but the soundtrack is emitted as a single audio-mix in which the sources are not individually accessible. We present SepGen, which extends a pretrained audio-video generator to emit the video, the mixed soundtrack, and one waveform per captioned sou...
| Authors | Aviad Dahan, Rajaei Khatib, Yonatan Bitton et al. |
|---|---|
| Primary category | cs.SD |
| Published | 8 October 2026 |
| Last updated at source | 8 October 2026 |
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