vBrownBag

From Speech to Speech: A Tale about Amazon Nova Sonic

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In this week’s vBrownBag, Principal Software Engineer Dominik Wosiński takes us on a deep dive into Amazon Nova Sonic — AWS’s latest speech-to-speech AI model.

Dominik explores how unified voice models like Nova Sonic are reshaping customer experience, DevOps workflows, and real-time AI interaction, with live demos showing just how natural machine-generated speech can sound.

We cover what makes speech-to-speech difficult, how latency and turn-detection affect conversational design, and why this technology marks the next frontier for AI-driven customer support.

Stick around for audience Q&A, live experiments, and insights on where AWS Bedrock and generative AI are headed next.

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Timestamps

  • 00:00 – Intro & catching up with Eric Wright
  • 05:00 – Meet Dominik Wosiński & Halo Radius
  • 06:15 – Why speech-to-speech matters
  • 10:00 – Challenges with chatbots and customer experience
  • 15:00 – Latency, realism, and the human connection
  • 20:00 – Evolution of synthetic voices (“Jennifer” demo)
  • 25:00 – Why speech is hard for computers
  • 30:00 – Architecture of speech-to-speech systems
  • 40:00 – Inside Amazon Nova Sonic
  • 48:00 – AWS Bedrock integration & limitations
  • 52:00 – Pricing, tokens, and performance
  • 55:00 – Lessons learned from real customer projects
  • 57:00 – Live demo of Nova Sonic in action
  • 01:04:00 – Q&A and closing thoughts

    • How to find Dom:

    https://www.linkedin.com/in/dominik-wosi%C5%84ski-b27535b7/

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