VoiceChat-TTS: A Low-Latency Continuous Speech Synthesis Model for Interactive Agents

• URL: http://arxiv.org/abs/2608.13831v1
• Date: Thu, 13 Aug 2026 23:37:07 GMT
• Title: VoiceChat-TTS: A Low-Latency Continuous Speech Synthesis Model for Interactive Agents
• Abstract summary: VoiceChat-TTS is a low-latency, continuous, and streamable text-to-speech model for interactive agents.<n>The model enables always-on, responsive speech generation while preserving modularity and high speech quality.
• Score: 31.302856029488876
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Spoken dialogue is a natural form of human--computer interaction, yet most speech language models remain limited to turn-based operation and lack real-time adaptability, such as user barge-in. Recent duplex speech-to-speech and speech-to-text models reduce latency by replacing multi-stage pipelines, but often compromise speech quality because accurate ASR, interruption handling, and high-fidelity synthesis must be optimized jointly. We propose VoiceChat-TTS, a low-latency, continuous, and streamable text-to-speech model for interactive agents. VoiceChat-TTS is driven directly by LLM text-token streams, supports explicit interruption via control tokens, and produces silence when no textual input is available. The model enables always-on, responsive speech generation while preserving modularity and high speech quality, and it supports mid-utterance interruptions without resetting the KV cache.

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