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Audio-Omni Unifies Generation and Editing Across Sound, Music, Speech

Zeyue Tian, Binxin Yang, Zhaoyang Liu, Jiexuan Zhang, Ruibin Yuan, Hubery Yin, Qifeng Chen, Chen Li, Jing Lyu, Wei Xue, Yike GuoRead original
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Audio-Omni Unifies Generation and Editing Across Sound, Music, Speech

Researchers have introduced Audio-Omni, a unified framework that combines audio understanding, generation, and editing across sound, music, and speech in a single model. The system pairs a frozen multimodal large language model for reasoning with a trainable Diffusion Transformer for synthesis. To address the scarcity of audio editing training data, the team created AudioEdit, a dataset of over one million curated editing pairs. The framework achieves state-of-the-art results on multiple benchmarks and demonstrates emergent capabilities including knowledge-augmented reasoning, in-context generation, and zero-shot cross-lingual control.

TL;DR

  • Audio-Omni unifies audio understanding, generation, and editing in a single end-to-end framework covering general sound, music, and speech domains
  • The architecture combines a frozen multimodal LLM for reasoning with a trainable Diffusion Transformer for high-fidelity audio synthesis
  • AudioEdit, a new dataset of over one million curated audio editing pairs, addresses critical data scarcity in audio editing tasks
  • The model demonstrates emergent capabilities including knowledge-augmented reasoning generation, in-context learning, and zero-shot cross-lingual audio control

Why it matters

Audio generation and editing have remained fragmented across specialized models, limiting the potential for unified reasoning and control. Audio-Omni demonstrates that a single architecture can match or exceed specialized models while enabling cross-domain capabilities that emerge from unified training. This suggests a path toward more general-purpose generative audio systems that can handle diverse tasks and modalities without task-specific fine-tuning.

Business relevance

For audio and music production platforms, content creators, and speech applications, a unified model reduces infrastructure complexity and enables new use cases like knowledge-augmented generation and cross-lingual control. The public release of AudioEdit and the model itself could accelerate development of audio applications across startups and enterprises, similar to how open foundation models have driven adoption in other domains.

Key implications

  • Unified multimodal frameworks can achieve performance parity with specialized models while unlocking emergent cross-domain capabilities, suggesting a consolidation trend in audio AI tooling
  • Large-scale curated datasets for underserved tasks like audio editing are critical bottlenecks; AudioEdit's release may enable downstream innovation in audio editing applications
  • Frozen LLMs paired with trainable diffusion models offer a practical architecture for combining reasoning and synthesis, potentially applicable to other modalities beyond audio

What to watch

Monitor whether Audio-Omni's emergent capabilities (knowledge-augmented generation, zero-shot cross-lingual control) hold up in production use cases and whether the AudioEdit dataset becomes a standard benchmark for audio editing research. Watch for adoption by audio platforms and whether competing labs release similar unified frameworks or focus on specialized models instead.

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