Freeze-Omni: A Smart and Low Latency Speech-to-speech Dialogue Model with Frozen LLM

• URL: http://arxiv.org/abs/2411.00774v3
• Date: Thu, 21 Nov 2024 09:19:28 GMT
• Title: Freeze-Omni: A Smart and Low Latency Speech-to-speech Dialogue Model with Frozen LLM
• Authors: Xiong Wang, Yangze Li, Chaoyou Fu, Yunhang Shen, Lei Xie, Ke Li, Xing Sun, Long Ma,
• Abstract summary: This paper proposes a novel speech-text multimodal LLM architecture called Freeze- Omni. Our main contribution is that the speech input and output modalities can be easily connected to a textual LLM. In addition, we also designed a method to achieve duplex dialogue ability through multi-task training.
• Score: 44.59026505152727
• License:
• Abstract: Rapidly developing large language models (LLMs) have brought tremendous intelligent applications. Especially, the GPT-4o's excellent duplex speech interaction ability has brought impressive experience to users. Researchers have recently proposed several multi-modal LLMs in this direction that can achieve user-agent speech-to-speech conversations. This paper proposes a novel speech-text multimodal LLM architecture called Freeze-Omni. Our main contribution is that the speech input and output modalities can be easily connected to a textual LLM while keeping the LLM's parameters frozen throughout the training process. We design a three-stage training strategy for modeling both the speech input and output, enabling Freeze-Omni to obtain speech-to-speech conversation ability using text-speech paired data (such as ASR and TTS data) and only 60,000 multi-round text Q&A data on 8 GPUs. Moreover, we can effectively ensure that the intelligence of the Freeze-Omni in the speech modality is at the same level compared with that in the text modality of its backbone LLM, while achieving low latency end-to-end spoken response. In addition, we also designed a method to achieve duplex dialogue ability through multi-task training, giving Freeze-Omni a more natural style of dialogue ability between users and agents. In summary, Freeze-Omni holds great potential to conduct speech-to-speech dialogue based on a multimodal LLM under the condition of a frozen LLM, avoiding the catastrophic forgetting problem caused by limited data and training resources.

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