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AUDIO & SPEECH Low Latency TTS 15 min read

Sub-180ms Voice Cloning: Building a Real-Time Streaming TTS Engine with XTTS-v2

JC
Jutt AI Engineering Lab
Principal Systems & AI Security Architect
September 2026 Jutt Cyber Tech™
Detailed Engineering Index
1. The Conversational Voice Latency Gap 2. Chunked Latent Autoregressive Streaming 3. WebRTC / WebSocket PCM Streaming Code 4. Speaker Embeddings & Anti-Cloning Guards

The biggest hurdle in building voice AI agents is latency. Waiting 2 to 3 seconds for a model to generate an entire audio paragraph destroys conversational flow. Here is how we chunk XTTS-v2's autoregressive latent tokens to achieve 175ms time-to-first-audio.

Domain: #AUDIO&SPEECH #JuttCyberTech #AIInfrastructure
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