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        "description": "Inherits speech tokens, language models, distillation and tool calling. Acquired delta is the concrete integrated research system/data/evaluation resource, not first speech agent or universally production-ready behavior. The second stage inherits RL, RAG and speech-language training; it does not prove hallucination-free tool use or all-context prosody understanding. Both team fronts bundled as one system family.",
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      "statement": "# Step-Audio: unified speech systems with generative data and reasoning adaptation\n\nReleased a unified speech/text interaction system with a synthetic speech-data engine, a distilled TTS model and instruction/control/tool-use training plus evaluation resources. Step-Audio2 adds a latent audio encoder and reasoning-centric reinforcement learning while integrating paralinguistic speech generation and audio/text retrieval.\n\n## Scientific scope\n\nInherits speech tokens, language models, distillation and tool calling. Acquired delta is the concrete integrated research system/data/evaluation resource, not first speech agent or universally production-ready behavior. The second stage inherits RL, RAG and speech-language training; it does not prove hallucination-free tool use or all-context prosody understanding. Both team fronts bundled as one system family.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\n\n\nSource-listed authors or explicitly credited technical contributors for the cited versions. Family entries retain source-specific attribution; a combined list is not one original-paper byline or equal individual work. Names alone do not establish resolved identities.\n\n\n\n## Original sources\n\n- [Step-Audio: Unified Understanding and Generation in Intelligent Speech Interaction](https://arxiv.org/abs/2502.11946v1)\n- [Step-Audio 2 Technical Report](https://arxiv.org/abs/2507.16632v1)\n",
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