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Applied · AI System Designsenior

Real-Time Voice Agent

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// brief

Real-Time Voice Agent

Design a low-latency speech-to-speech conversational agent with natural turn-taking.

Key Requirements

  • 01Streaming pipeline (VAD → STT → LLM → TTS) with overlap
  • 02Endpointing and barge-in (interruption) handling
  • 03Latency budget engineering (<~800ms to first audio)
  • 04Graceful handling of tool-call latency (no dead air)
  • 05Concurrency scaling and ASR-error recovery

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