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# Enhanced Technical Specification
Verified signature## Real-Time Conversational AI Agent - System Requirements ### Core Capabilities **Voice Processing Pipeline** - Bidirectional audio streaming with <50ms total latency (VAD + STT + LLM + TTS + network) - Streaming Speech-to-Text (Deepgram Nova-2 or AssemblyAI with real-time endpoints) - Streaming Text-to-Speech (ElevenLabs Turbo v2.5, Cartesia Sonic, or PlayHT 3.0-mini for sub-300ms first-byte) - Voice Activity Detection (VAD) with interrupt handling for natural turn-taking - Echo cancellation and noise suppression for clean audio in/out **AI Agent Architecture** - LLM backbone: Claude 3.5 Sonnet or GPT-4 Turbo with streaming responses - Function calling / tool use for: - Web search (Brave Search API, Perplexity API, or Tavily) - PDF processing (PyMuPDF + semantic chunking + vector embeddings) - Memory/context retention across conversation - Async message queue for non-blocking tool execution - Response streaming with partial sentence cutoff for ultra-low latency **Visual Com…1b21e08 -
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