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Chen Geng

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Preprint Oct 2026

DyCraft: An Agentic System for Long-Horizon 4D Scene Generation

While frontier coding agents can generate high-quality 3D scenes and articulated assets, they struggle to create coherent long-horizon animations. When equipped with general-purpose harnesses, they frequently produce physically implausible outputs, generating objects that interpenetrate, lack physical support, or move...

Jeff Tan, Hang Dai, Ze-Qian Long et al. · 0 citations
Preprint Sep 2026

StepAudio 3 Realtime Technical Report

Realtime spoken interaction demands deep reasoning, prompt responses, and fluid turn-taking. We present StepAudio 3 Realtime, an audio-language foundation model organized around a continuous listen-converse-think-act loop. Deep Perception captures rich acoustic cues to interpret user intent, while Seamless Duplex model...

Bin Lin, Bo Zhao, Bo-Yang Zhang et al. · 4 citations
Preprint Sep 2026

StepAudio 3 Gen Technical Report

This study introduces StepAudio 3 Gen, a general-purpose audio generation model that supports zero-shot text-to-speech (TTS), voice design, vocal generation, sound effects, music, vibe speech, and mixtures of multiple audio types within a unified framework.

Bin Lin, Bo Zhao, Bo-Yang Wang et al. · 1 citation

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