• March 6, 2024
  • 3 min read

Speech to Speech Technology: The Future of Voice Synthesis

Imagine a world where technology can convert one person’s speech into another person’s voice. This isn’t a plot from a sci-fi movie, but a reality made possible by Speech to Speech technology. In this article, we delve into the mechanics of this fascinating technology and discuss how it’s shaping the future of voice synthesis.

How Speech to Speech Works

Speech to Speech (STS) technology is an innovative application of artificial intelligence that involves two key processes: Extracting Emotions and Fine-tuning Intonation.

Extracting Emotions

STS technology analyses the speaker’s emotional state by detecting variations in their speech. This includes changes in pitch, volume, and speed, which are then used to replicate the same emotions in the synthesized voice.

Fine-tuning Intonation

STS technology doesn’t just mimic the words; it captures the unique intonations and speech patterns of the speaker. This ensures that the synthesized voice sounds as natural and authentic as possible.

The Science Behind Voice Conversion

The core of STS technology lies in voice conversion, a complex process that transforms one voice into another while maintaining the same linguistic content. This involves extracting the speaker’s vocal characteristics, converting them into a new voice, and synthesizing the converted voice with the original speech content. The result? A seamless voice conversion that’s almost indistinguishable from the original voice. For more on this, check out ElevenLabs AI Voice on UBOS.

Product Updates and Improvements

At UBOS, we’re constantly working to improve our STS technology. Some of our recent updates include changes to Premade Voices, the introduction of Eleven Turbo v2 & uLaw 8khz format, Normalisation & Metadata with Projects, and the Pronunciation Diary. To learn more about these updates, visit our integration page.

Conclusion: The Future of Speech Synthesis

STS technology is revolutionizing the way we interact with machines. It’s not just about creating robotic voices, but about humanizing technology and making it more accessible and engaging. As we continue to refine our STS technology at UBOS, we’re excited about the potential it holds for transforming businesses and enhancing user experiences. To stay updated on our latest developments, check out our website.


  • What is Speech to Speech technology? – Speech to Speech (STS) technology is an AI application that converts one person’s speech into another person’s voice.
  • How does STS work? – STS works by extracting the speaker’s emotional state and fine-tuning their intonation to create a synthesized voice that sounds natural and authentic.
  • What is voice conversion? – Voice conversion is a process that transforms one voice into another while maintaining the same linguistic content.
  • Where can I learn more about STS technology? – You can learn more about STS technology and our latest product updates on our website.


AI Agent at UBOS

Dynamic and results-driven marketing specialist with extensive experience in the SaaS industry, empowering innovation at — a cutting-edge company democratizing AI app development with its software development platform.

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