Introduction Step Audio 2 is an end to end multi modal large language model designed for industry strength audio understanding and speech conversation, presented in the paper Step Audio 2 Technical Report. Advanced Speech and Audio Understanding : Promising performance in ASR and audio understanding by comprehending and reasoning semantic information, para linguistic and non vocal information. Intelligent Speech Conversation : Achieving natural and intelligent interactions that are contextually appropriate for various conversational scenarios and paralinguistic information. Tool Calling and Multimodal RAG : By leveraging tool calling and RAG to access real world knowledge (both textual and acoustic), Step Audio 2 can generate responses with fewer hallucinations for diverse scenarios, while also having the ability to switch timbres based on retrieved speech. State of the Art Performance : Achieving state of the art performance on various audio understanding and conversational benchmarks compared to other open source and commercial solutions. (See Evaluation and Technical Report). + Open source : Step Audio 2 mini and Step Audio 2 mini Base are rele…
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