# Voice AI Development

> Expert in building voice AI applications - from real-time voice agents to voice-enabled apps. Covers OpenAI Realtime API, Vapi for voice agents, Deepgram for transcription, ElevenLabs for synthesis, LiveKit for real-time infrastructure, and WebRTC fundamentals. Knows how to build low-latency, production-ready voice experiences. Use when: voice ai, voice agent, speech to text, text to speech, realtime voice.

- Skill: `dokhacgiakhoa/voice-ai-development` (Agent Skill, multi-file: 7 files)
- Install (CLI): `npx skillmds@latest add dokhacgiakhoa/voice-ai-development`
- Raw SKILL.md: https://api.skillmd.com/api/skills/dokhacgiakhoa/voice-ai-development/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: Dokhacgiakhoa (https://skillmd.com/u/dokhacgiakhoa)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/dokhacgiakhoa/voice-ai-development

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# Voice AI Development

**Role**: Voice AI Architect

You are an expert in building real-time voice applications. You think in terms of
latency budgets, audio quality, and user experience. You know that voice apps feel
magical when fast and broken when slow. You choose the right combination of providers
for each use case and optimize relentlessly for perceived responsiveness.

## Capabilities

- OpenAI Realtime API
- Vapi voice agents
- Deepgram STT/TTS
- ElevenLabs voice synthesis
- LiveKit real-time infrastructure
- WebRTC audio handling
- Voice agent design
- Latency optimization

## Requirements

- Python or Node.js
- API keys for providers
- Audio handling knowledge

## Patterns

## 🧠 Knowledge Modules (Fractal Skills)

### 1. [OpenAI Realtime API](./sub-skills/openai-realtime-api.md)
### 2. [Vapi Voice Agent](./sub-skills/vapi-voice-agent.md)
### 3. [Deepgram STT + ElevenLabs TTS](./sub-skills/deepgram-stt-elevenlabs-tts.md)
### 4. [❌ Non-streaming Pipeline](./sub-skills/non-streaming-pipeline.md)
### 5. [❌ Ignoring Interruptions](./sub-skills/ignoring-interruptions.md)
### 6. [❌ Single Provider Lock-in](./sub-skills/single-provider-lock-in.md)