Revoiceit v4.0: APIs and More

Smarter, Faster, and More Expressive AI Voice Creation


Voiseed is excited to launch Revoiceit v4.0, the latest version of our professional virtual studio for expressive AI voices. This release introduces key improvements that make it easier to generate, control, and scale high-quality synthetic speech—now available also via Revoiceit API.

Revoiceit API

Advanced voice synthesis at your fingertips

The new Revoiceit API gives developers and teams full control over voice generation.
With it, you can:

• Generate time-coded speech
• Apply custom styles, emotions, and intensity levels
• Customize pronunciations
• Track usage, manage keys, and view request history via an integrated dashboard

This API is designed for seamless integration into applications in media, gaming, accessibility, and beyond—helping you create emotionally engaging audio at scale.

👉 Request access or get in touch to explore the API.

Full Conditioning

Realistic emotional performance, powered by AI

Revoiceit v4.0 now supports Full Conditioning for Line and Media Dubbing projects. This feature analyzes the source audio and automatically adjusts the generated voice to match the original performance—resulting in more authentic, natural-sounding prosody.

Craft with Revoiceit

Revoiceit v4.0 reflects our commitment to expressive and scalable AI voices. Whether you’re creating interactive content or automating media localization workflows, this release provides the tools to deliver high-quality voice output with emotional depth.

👉 Book a demo or explore the API to see how Revoiceit can support your next project.

Master AI Dubbing with AI Speech Editing Course

Artificial intelligence is transforming media localization, and AI speech editing is an essential skill for professionals working in the localization industry. As AI-generated voices become more advanced, understanding how to refine and enhance synthetic speech is critical for achieving high-quality results.

To meet the market needs, Voiseed and OOONA have developed an AI Speech Editing Course, designed by professionals who actively work in AI dubbing. This course provides a practical, hands-on approach to text-to-speech editing, equipping learners with the skills needed to evaluate, refine, and enhance AI-generated voices.

What You’ll Learn

This course offers a comprehensive introduction to AI Speech Editing, with a strong focus on practical applications. Key topics include:

Understanding AI-Generated Voices

• How text-to-speech engines work
• The capabilities of synthetic voices
• Evaluating AI-generated speech for accuracy and quality

Editing and Refining AI Voices

• Adjusting prosody to improve rhythm and intonation
• Fine-tuning phonemization and pronunciation for clarity
• Modifying pacing and timing to ensure natural delivery

Practical Applications in AI Dubbing

• AI speech editing for dubbing and localization
• Ethical considerations in AI-generated voice production
• Best practices for integrating AI voices into media workflows

Why Choose This Course?

While AI speech editing is gaining attention, few courses are designed by professionals who actively work in AI dubbing and voice synthesis. This course is built on real-world expertise, ensuring that learners gain skills that are directly applicable in the industry.

Key Benefits

Industry-Led Training: Learn from experts who work daily in AI speech editing.
Hands-On Learning: Practical examples and exercises based on real-world scenarios.
Flexible & Self-Paced: Study at your own pace with on-demand lessons.
• Certification: Receive a certificate of completion to validate your expertise.

Who Is This Course For?

This course is designed for linguists and professionals working in media localization, dubbing, and voice production who want to integrate AI speech editing into their workflows. It is also ideal for those in the localization industry, content creation, and anyone looking to expand their expertise in synthetic voice refinement. Whether you are a dubbing director, voice editor, or AI enthusiast, this course provides the essential skills needed to work effectively with AI-generated voices.

Enroll Today

The demand for AI-driven voice solutions is growing rapidly. Gaining expertise in AI speech editing will position you at the forefront of this evolving industry.

🔗 Start learning now

Voiseed & OOONA Launch AI Speech Editing Course for Dubbing

Innovation drives everything we do at Voiseed, especially when it comes to advancing media localization. That’s why we’ve partnered with OOONA to launch Introduction to AI Speech Editing – a new course designed to empower professionals with the skills they need to thrive in AI-powered dubbing workflows.

Why AI Speech Editing Matters


The increasing use of AI-generated speech in dubbing, voiceover, and content adaptation is transforming the industry. However, working with AI voices requires specialized knowledge to ensure clarity, pronunciation accuracy, and natural prosody. This course is designed to bridge that gap and empower professionals with the necessary skills to integrate AI speech into their workflows effectively.

What the Course Covers


Hosted on the OOONA EDU platform, this self-paced course offers an introduction to:

• AI Speech Generation: understanding how AI voices are created and evaluated.
• Digital Audio Fundamentals: learning about phonemization, pronunciation, prosody, and timing.
• Assessing AI-Generated Speech: ensuring accuracy and naturalness in multilingual synthetic speech.

"There’s an urgent need to bridge the gap between technology and creativity,” says Andrea Ballista, Voiseed founder and CEO. "This course is designed to upskill language professionals with the core competences to integrate AI speech tools into their daily workflows while maintaining the highest quality in multilingual synthetic speech generation."
“We are very pleased to introduce a course on synthetic speech editing to our EDU platform,” adds Wayne Garb, OOONA co-founder and CEO. “There is a significant skills gap in the localization market for professionals proficient in handling synthetic voices effectively that we hope to address. This course reflects our commitment to leading innovation in the media localization field and helping the market grow.”


If you’re ready to stay ahead in the ever-evolving localization industry, join us on this exciting new path. The future of AI dubbing starts here.

Revoiceit v3.1 Christmas Release

We are excited to announce Revoiceit’s latest updates, designed to make AI dubbing and voiceover workflows more efficient and authentic. These features aim to support localization service providers, content creators, and production teams working on multilingual projects.

What’s New in Revoiceit?


Among the key updates are Source Emotion Detection and Transfer, Video Mixing, and Integration with Machine Translation, all aimed at streamlining audio and video production.

Source Emotion Detection and Transfer
Revoiceit now analyzes the emotions of the original audio and seamlessly transfers them to multilingual AI-generated voices. This ensures localized audio retains the same emotional impact as the original, providing authentic and nuanced storytelling.

Video Mixing
Users can now mix and download fully dubbed videos directly within Revoiceit. This feature streamlines the production process, helping localization teams deliver multilingual projects faster and with fewer tools.

Integrated Machine Translation
Machine Translation has been added to the platform, allowing users to translate scripts directly within Revoiceit. This simplifies handling multilingual content, improving turnaround time and translation accuracy.

A Year of Innovation


Revoiceit’s enhancements are backed by xpressive, Voiseed’s patented speech synthesis technology. It supports eight core emotions – Joy, Sadness, Anger, Fear, Surprise, Curiosity, Pain, and Pleasure – across all available voices and languages. Combined with emotion detection and transfer, xpressive ensures AI voices sound natural, culturally resonant, and emotionally consistent.

With its latest updates, Revoiceit becomes the reference AI dubbing platform for localization service providers. Featuring an easy-to-use interface and a customizable onboarding program, it enables the creation of emotionally resonant localized AI voices across a wide range of languages.