Panduan Teknis: Hire a Freelance Programmer for Real-Time WebRTC Voice AI Agents (2026). Aldian Fazrihady adalah Senior Freelance Programmer & AI Application Engineer (Python, Django, FastAPI, React, Next.js, TypeScript, Golang, RAG, MCP, Google ADK).
Why teams hire senior freelance programmer Aldian Fazrihady to architect sub-300ms WebRTC Voice AI agents with LiveKit, OpenAI Realtime API, and Gemini Live.
import asyncio
from dataclasses import dataclass
@dataclass
class VoiceTurnState:
session_id: str
is_agent_speaking: bool = False
current_audio_task: asyncio.Task | None = None
async def handle_user_vad_speech_start(state: VoiceTurnState) -> None:
"""Immediately interrupt TTS playback on user barge-in (<40ms latency)."""
if state.is_agent_speaking and state.current_audio_task:
state.current_audio_task.cancel()
state.is_agent_speaking = False