Create Real-Time Voice Agents with LiveKit and OpenAI — WalkSelf
4.5 (11) ⏱ 2h 48m 📚 28 lessons

Create Real-Time Voice Agents with LiveKit and OpenAI

Discover how to develop conversational voice applications from scratch by combining LiveKit streaming with modern language models.

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About this course

Voice-based artificial intelligence is transforming how users interact with software. If you want to build responsive, conversational applications, understanding real-time streaming and modern AI models is essential. This text-based course guides you through the process of creating your own voice AI agent. You will learn how to handle audio streams, manage conversational context, and integrate powerful language models to produce natural, low-latency voice interactions. What you'll learn: • Understand the fundamental concepts of real-time audio streaming and WebRTC. • Configure a modern development environment using up-to-date packaging tools and virtual environments. • Integrate LiveKit to manage audio input and output streams efficiently. • Connect to OpenAI real-time APIs to process spoken language and generate conversational responses. • Apply basic prompt engineering techniques to give your voice agent a distinct personality and clear behavioral boundaries. • Handle asynchronous data streams safely to ensure smooth, uninterrupted user experiences. The course begins with foundational terminology and core concepts of voice architecture before moving into practical, written exercises. You will read through step-by-step explanations and clear code snippets that gradually build up a functional voice application. Designed for programming beginners and developers new to AI, this course requires no prior experience with audio engineering or machine learning. Start reading today to build your first conversational voice agent.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m of practical content

Reviews (11)

Mariana Almeida PT Verified learner
★ 4 · July 28, 2026

O curso ensina bem como montar um agente de voz em tempo real usando LiveKit junto com a OpenAI. A parte sobre lidar com interrupções na conversa foi a que mais me ajudou a entender o fluxo real. Só achei a configuração inicial um pouco confusa em alguns pontos.

Maria Georgescu RO Verified learner
★ 5 · July 24, 2026

Finally built a working voice agent.

صالح البلوشي KW Verified learner
★ 4 · July 21, 2026

الدورة تشرح بشكل جيد كيفية بناء وكيل صوتي يعمل في الوقت الفعلي باستخدام LiveKit مع OpenAI. الجزء المتعلق بمعالجة التأخير الصوتي والتعامل مع المقاطعات أثناء الحديث كان من أكثر الأجزاء فائدة بالنسبة لي. طبّقت التمارين خطوة بخطوة واستطعت بناء مساعد صوتي بسيط يستجيب بسرعة معقولة. الشيء الوحيد أنني تمنيت شرحاً أعمق لجزء ضبط جودة الصوت، لكن بشكل عام المحتوى عملي ومباشر.

Carlos Iván Navarro MX Verified learner
★ 5 · July 18, 2026

Aprendí a construir un agente de voz en tiempo real con LiveKit y OpenAI, y la parte de manejo de la latencia está explicada de forma muy clara.

Tomasz Kaczmarek PL Verified learner
★ 5 · July 6, 2026

Kurs pokazuje, jak zbudować głosowego agenta w czasie rzeczywistym łącząc LiveKit z OpenAI, świetnie tłumaczy obsługę przerwań w rozmowie.

Hoàng Văn Đức VN Verified learner
★ 5 · July 4, 2026

Khóa học hướng dẫn rất rõ ràng cách xây dựng agent giọng nói theo thời gian thực bằng LiveKit kết hợp với OpenAI. Phần xử lý độ trễ âm thanh và luồng hội thoại được giải thích cụ thể, dễ áp dụng ngay. Sau khi học xong mình đã tự dựng được một trợ lý giọng nói đơn giản chạy mượt.

Joseph Kyeremeh GH Verified learner
★ 4 · June 28, 2026

Good walkthrough of wiring up a real-time voice agent with LiveKit and OpenAI. The audio streaming and interruption handling sections were the most useful part for me. Setup instructions were a little outdated in one spot, but nothing that couldn't be worked around.

橋本 大輝 JP Verified learner
★ 4 · June 26, 2026

LiveKitのストリーミングと言語モデルをつなげてリアルタイムの音声エージェントを作る流れが、ゼロから丁寧に追えました。遅延を抑える設定の話が特に実用的でした。割り込み処理のあたりはもう少し掘り下げてほしかったですが、全体としておすすめできる内容です。

Leon Bauer AT Verified learner
★ 4 · June 13, 2026

Der Kurs zeigt Schritt für Schritt, wie man mit LiveKit und OpenAI einen Sprachagenten baut, der in Echtzeit reagiert. Besonders der Teil über das Abfangen von Unterbrechungen während des Gesprächs war für mich neu und sehr hilfreich. Die Übungen zum Audio-Streaming waren gut aufgebaut und ließen sich direkt nachvollziehen. Etwas gestört hat mich, dass die Erklärung zur Latenzoptimierung recht knapp ausfällt. Trotzdem konnte ich am Ende einen eigenen kleinen Sprachassistenten zum Laufen bringen.

Luiza Oliveira BR
★ 5 · June 5, 2026

Nunca imaginei que montar um agente de voz em tempo real fosse tão acessível. A parte de juntar o streaming do LiveKit com o modelo de linguagem fluiu super bem, e ouvir o bot responder com baixa latência foi empolgante. Saí daqui com um protótipo funcionando de verdade.

Emma Cruz PH
★ 5 · June 2, 2026

Sobrang linaw ng pagpapaliwanag dito kung paano gumawa ng real-time voice agent gamit ang LiveKit at OpenAI, mula simula hanggang matapos. Naintindihan ko kung paano hawakan ang audio streaming at kung paano gawing natural ang daloy ng usapan sa pagitan ng user at ng agent. Yung part tungkol sa pag-handle ng interruptions habang nagsasalita ang agent talagang nakatulong sa akin, dati hindi ko alam paano iyon gawin. Sinubukan ko yung mga exercise nang direkta at gumana agad ang sarili kong simpleng voice assistant, sobrang satisfying makita gumagana.

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Just a phone or computer with internet. No installs, no special hardware.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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