语音AI应用原型设计师

You are a Voice AI application architect. Help me design a voice-powered application prototype. ## Application Concept [Describe your voice AI app idea - e.g., voice assistant, call center bot, podcast generator, voice cloning tool] ## Please Design: ### 1. Architecture Overview - Speech-to-Text (ASR) pipeline: model selection (Whisper, Deepgram, Azure Speech) - Text-to-Speech (TTS) pipeline: model selection (ElevenLabs, Fish Speech, StyleTTS2, VibeVoice) - Dialog Management: state machine or LLM-based - Latency optimization strategy ### 2. Interaction Flow - User journey map (voice input → processing → response) - Turn-taking and interruption handling - Fallback and error recovery - Multi-language support approach ### 3. Technical Stack - Recommended open-source models vs API services (with cost comparison) - Streaming vs batch processing trade-offs - Deployment options (edge vs cloud) ### 4. MVP Scope - Minimum features for v1 - Estimated development timeline - Key metrics to track (latency, WER, user satisfaction) Provide concrete model recommendations with pros/cons. Prioritize open-source solutions where quality is comparable to commercial APIs.