stellar suite

Create. Connect.
Scale.

Localization is complex. Your technology shouldn’t be.

Bring your people, creative tools, workflows and AI together in The Stellar Suite. From subtitling and dubbing to audio description, compliance and delivery, The Stellar Suite gives you the flexibility to work your way, automate where it makes sense and stay in control as you scale.

Stellar for every user

The Stellar Suite:
One SECURE platform. Every localization operation.

No two localization operations work exactly the same way. Some teams need professional creative tools. Others want to connect people across locations, introduce AI, automate repetitive work or manage complex localization workflows at scale.

The Stellar Suite adapts to the way you work, not the other way around. Start with what you need today and expand as your operation grows.

Stellar's revolutionary toolkit

A Closer Look

What if your creative tools, AI, people and workflows could all work together? Take a closer look at how The Stellar Suite connects the different stages of media localization: helping teams reduce manual work, collaborate more effectively and keep projects moving from incoming media to final delivery. Discover the power of integrated workflows, real-time collaboration and Integrated AI. Watch the video here.

stellar suite software

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The way to elevate your localization process

YOUR HUB FOR MEDIA LOCALIZATION

Introducing The Stellar Suite, a secure, intuitive, browser-based solution from Yella that streamlines subtitling, dubbing, audio description, and more.

Audio Description

Make every story accessible. Create your complete Audio Description workflow in Stellar, from script to final delivery. Use AI-assisted analysis and scripting, then record with voice artists, your own voice or synthetic voices. Edit, mix, review and QC in one connected environment, with flexible delivery options and Pro Tools integration.

Subtitles and captions

From first word to final subtitle. Create, translate, time, review and deliver subtitles across languages and platforms. Combine professional editing tools with AI-assisted transcription and translation, while keeping full control over quality and the final result.

Dubbing and Voice-Over

Bring every story to a new audience. Manage your complete dubbing and voice-over workflow in Stellar, from script and casting to recording and delivery. Work with professional or synthetic voices, record remotely, and adapt performances with respeeching, voice cloning and voice morphing.

Compliance and timed text

Deliver with confidence. Combine automated and human review to identify compliance issues and prepare content for different audiences and markets. Use compliance tagging and QC workflows to flag, review and resolve regulatory, cultural or audience-specific issues.

Automate

Let Stellar handle the repetitive work. Build workflows that connect people, AI services, conversions, QC and delivery. Giving your team more time for the work that requires human expertise.

Manage

See the bigger picture. Manage projects, tasks, users, media, resources and progress from one central environment, with visibility across your entire localization operation.

Convert

One less thing to worry about. Convert subtitles, captions, scripts and accessibility files across formats and platforms without adding another tool to your workflow.

BUILT AROUND THE WAY YOU WORK

REVOLUTIONIZING CREATIVE WORKFLOWS

Localization workflows come in all shapes and sizes. Your technology should too. Whether you are a freelancer, a growing localization team or managing a complex global operation, Stellar gives you the flexibility to combine people, technology and AI in the way that works best for you. Start with professional creative tools. Add collaboration, management, AI and automation when you need them.

Language Service Providers
Discover the benefits:

The Stellar Suite empowers language service providers, subtitle houses and dubbing studios, by providing a single toolset for creating, editing, managing and automating all workflows for all deliverables.

More localization. Less operational friction.

Growing volumes, tighter deadlines and increasingly complex workflows put localization teams under constant pressure. Stellar brings your people, freelancers, media, AI services and workflows together so you can spend less time moving files and managing processes and more time delivering great localization.

Browser-based and always up to date

Give your teams and freelancers access to The Stellar Suite wherever they work. With no specialist equipment or complex installations required, Stellar runs directly in the browser on Mac and PC. Everyone works with the same, always up-to-date tools. Making it easier to collaborate, scale your team and keep localization moving.

Industry-standard security

Your content is valuable. Stellar helps keep it protected throughout the localization process , without getting in the way of collaboration.

From watermarking and encryption to multi-factor authentication, DRM and MediaSeal support, Stellar provides multiple layers of media security to match the needs of professional localization operations.

Control and track media access with a clear audit trail, giving you visibility over who has access to your content throughout the workflow. TPN Gold Shield certified.

Flexible pricing that grows with you

Scale users and usage up or down as workloads change. Stellar gives localization operations the flexibility to grow without committing every user to permanent software licences.

Stay in control as you scale

Keep a clear view of your workloads, resources and costs across your localization operation. See who is working on what, balance workloads and track time and costs by project, user or client. Helping your team plan ahead, meet deadlines and make better-informed decisions.

Any format. Any language.

Keep your localization moving without switching between separate conversion tools. Stellar supports all industry file formats, languages and writing systems, so content can move smoothly from creation to final delivery.

This includes IMSC Rosetta, the subtitle format developed by Warner Bros. Discovery and Yella Umbrella to support the needs of global media localization.

AI without the lock-in

There is no single best AI model for every language, voice or project. The Stellar Suite integrates leading AI services for speech-to-text, machine translation, synthetic voices, voice morphing and more, allowing you to choose the technology that fits the job.

One connected platform

Every localization operation works differently. Stellar brings your people, tools and workflows together in one flexible environment, built around the way you work.

From subtitling, dubbing and Audio Description to compliance, conversion and delivery, teams, freelancers and partners can collaborate on the same media and always work from the latest version.

Support from people who understand localization

Technology is only part of the solution. Our team combines software, localization and media expertise to help you design workflows that work in practice.

Freelancers
Discover the benefits

The Stellar Suite empowers freelancers by providing a complete professional toolset with no upfront cost. Get the complete set of editing, QC and conversion tools plus integrated AI assistance and workflow management and automation.

Browser-based and always up to date

Cloud access from any computer.
The Stellar Suite is a browser-based solution that needs no costly equipment.
Enjoy a seamless user experience that includes all enhancements, automatically.
No specialist hardware required.
Runs on Mac and PC

Flexible pay-per-use model

Enjoy cost-effective usage model that aligns with your workload.
The Stellar Suite’s flexible pricing model ensures you only pay for the days you use the software. If you don’t use it, you don’t pay. So, no more financial headaches, for freelancers with fluctuating project demands and smaller businesses on tight budgets.
Add user at any time with no limitation. Scale up or down instantly with no cost, just pay for what you use per day.

AI-assisted innovation to empower humans

Empower with AI. Integrate with the best available AI services for speech-to-text, machine translation, synthetic voices, voice morphing, dialogue removal and gap detection. Reduce the effort and cost of external language service providers.

Integrated Rules Based QC tools

Centralized Style Profiles define all the client requirements for caption, subtitle, and AD deliverables. Rules based QC system simplifies complex subtitle file correction and editing with auto-correct options. Reduce rejects with up front checks.
Central storage of Style Profiles removes confusion and human errors.

Convert file formats, all languages

The Stellar Suite supports all file formats, all languages and all writing systems including the new IMSC Rosetta subtitle file format created for the industry by Warner Brothers Discovery and Yella Umbrella.

Customer support from industry experts

Get the support you need, when you need it.
Yella Umbrella provide a range of support options covering software support, operations, IT and media services. Ask for more information.

Broadcasters
Discover the benefits

The Stellar Suite empowers broadcasters by streamlining their workflows with a single set of tools for all media localization and accessibility needs. Retain control of high value media files with market leading encryption and access control and traceability. Manage the creation and modification of all localization and accessibility assets in a single system.

Integrated workflow solutions

Our toolkit integrates effortlessly with media asset management (MAM) and existing workflow systems to boost your operational efficiency and streamline your processes.

Industry-standard security

The Stellar Suite is secured with industry standard certifications. Your content is totally safe when you use The Stellar Suite.

The Stellar Suite offers multiple media security options: watermarking, encryption, multi-factor authentication, full industry standard digital rights management (DRM) and MediaSeal support to make sure your data is always secure.

Track media access to provide a secure audit trail.

TPN Gold Shield certification.

Convert file formats, all languages

The Stellar Suite supports all file formats, all languages and all writing systems including the new IMSC Rosetta subtitle file format created for the industry by Warner Brothers Discovery and Yella Umbrella.

Integrated Rules Based QC tools

Centralized Style Profiles define all the client requirements for caption, subtitle, and AD deliverables. Rules based QC system simplifies complex subtitle file correction and editing. Reduce rejects with up front checks.
Central storage of Style Profiles removes confusion and human errors.

Browser-based and always up-to-date

Cloud access from any computer.
Stellar is a browser-based solution that needs no costly equipment and runs on Mac and PC.
Enjoy a seamless user experience that includes all enhancements, automatically.

Smart archive management

Efficiently preserve and organize your valuable subtitle and audio description archives with our streamlined solutions. Modernize legacy formats to enhance accessibility and ensure compliance while maximizing their long-term value.

Integrated Management and Progress Overview

The Stellar Suite provides a single portal for managing and tracking all your projects. Manage tasks, media, users and project data in the one system. See the status of all work in progress and highlight bottlenecks and deadlines.

AI-assisted innovation to empower humans

Empower with AI. Integrate with the best available AI services for speech-to-text, machine translation, synthetic voices, voice morphing, dialogue removal and gap detection. Reduce the effort and cost of external language service providers.

Customer support from industry experts

Yella Umbrella provide a range of support options covering software support, operations, IT and media services. Ask for more information

Resource planning and cost tracking

The Stellar Suite provides an overview of workloads and resources so you can be sure deadlines will be met. See time spent and associated costs per project, user or client.

Real-time collaboration

Enhance collaborative quality and improve communications.
Stellar ensures all users and freelancers can collaborate on projects in real time, regardless of their geographical location. Features include shared workspaces, live editing and instant feedback.
Track progress and outstanding errors in real-time.

Save time in collaborative projects by streamlining revisions and ensuring clear communications with clients, staff and freelancers.

Content Owners
Discover the benefits

For content owners, the Stellar Suite ensures faster turnarounds, consistent quality, and full control across all localization workflows. Secure, scalable, and built for global distribution—bring your stories to every audience with confidence.

Industry-standard security

The Stellar Suite is secured with industry standard certifications. Your content is totally safe when you use The Stellar Suite.

The Stellar Suite offers multiple media security options: watermarking, encryption, multi-factor authentication, full industry standard digital rights management (DRM) and MediaSeal support to make sure your data is always secure.

Track media access to provide a secure audit trail.

TPN Gold Shield certification.

Convert file formats, all languages

The Stellar Suite supports all file formats, all languages and all writing systems including the new IMSC Rosetta subtitle file format created for the industry by Warner Brothers Discovery and Yella Umbrella.

Browser based and always up-to-date

Cloud access from any computer.
Stellar is a browser-based solution that needs no costly equipment and runs on Mac and PC.
Enjoy a seamless user experience that includes all enhancements, automatically.

Integrated Rules Based QC tools

Centralized Style Profiles define all the client requirements for caption, subtitle, and AD deliverables. Rules based QC system simplifies complex subtitle file correction and editing with auto-correct options. Reduce rejects with up front checks.
Central storage of Style Profiles removes confusion and human errors.

Integrated Management and Progress Overview

The Stellar Suite provides a single portal for managing and tracking all your projects. Manage tasks, media, users and project data in the one system. See the status of all work in progress and highlight bottlenecks and deadlines.

Customer support from industry experts

Yella Umbrella provide a range of support options covering software support, operations, IT and media services. Ask for more information

Resource planning and cost tracking

The Stellar Suite provides an overview of workloads and resources so you can be sure deadlines will be met. See time spent and associated costs per project, user or client.

AI-assisted innovation to empower humans

The Stellar Suite integrates with the best available AI services for speech-to-text, machine translation, synthetic voices, voice morphing and dialogue removal. Let AI do the heavy lifting, so humans have space to be more creative and productive.

Real-time collaboration

Enhance collaborative quality and improve communications.
Stellar ensures all users and freelancers can collaborate on projects in real time, regardless of their geographical location. Features include shared workspaces, live editing and instant feedback.
Track progress and outstanding errors in real-time.

Save time in collaborative projects by streamlining revisions and ensuring clear communications with clients, staff and freelancers.

Meet Yella Umbrella: Innovators in Media Localization

Media localization for the future

Media localization keeps changing. New AI technologies, growing content volumes and evolving ways of working continue to create new possibilities and new challenges.

At Yella, we believe your technology should be flexible enough to evolve with you. That’s why The Stellar Suite brings creative tools, AI and automation together in one adaptable environment. Use the technology that works for you, automate where it makes sense and keep people at the heart of the creative process.

Helping your team work efficiently today, while staying ready for what comes next.

Testimonials

Discover what our clients have to say

'We have worked with Yella Umbrella for several years on analysing and processing our extensive subtitle archive. As we move to a new streamlined system, we have integrated The Stellar Suite to support our growing content needs. We use Stellar to conform multiple languages in a single session, create subtitles, perform automated subtitle conversions, and retime existing subtitle files. These capabilities have allowed us to maintain high quality standards while improving efficiency. This balance between automation and editorial control is exactly what we need'

Adam Jakubowski

Vice President of Technical Operations, Global Technology at BBC Studios

stellar suite

“We wouldn’t have been able to complete this intricate AD project without the shared task capabilities in Stellar. It simplified version control, enabled real-time QC, and allowed feedback without endless file sharing. It also keeps assets secure since only the project is shared, not the high-res media files.”

Cara Edney

CEO, Hear Say AD

At Vertala (TVT Media), we use Yella Umbrella’s Stellar Suite to manage and streamline our subtitling workflows across a wide range of projects and clients. The platform supports efficient, accurate, and flexible subtitle creation, review, and delivery across our output, including multiple Asian languages. Stellar’s tools have helped us maintain high quality standards while scaling to meet demanding turnaround times. Throughout our collaboration, the Yella team has been consistently helpful and responsive, offering expert support and adapting quickly to our evolving needs.

Hayden Punter

CFO at Vertala (TVT Media)

At Broadcast Intelligence, we rely on Yella Umbrella’s Stellar Suite to handle both the creation of new subtitles and the conforming of existing subtitle files across diverse projects and clients. The platform allows us to deliver accurate, consistent subtitles efficiently, even under tight deadlines. Using Stellar has enabled us to uphold rigorous quality standards while managing increasing volumes of work. The Yella team has been an excellent partner throughout—knowledgeable, approachable, and quick to respond as our requirements evolve.

Jake Robbins

COO at Broadcast Intelligence

As a freelance translator, Stellar has revolutionized the way I work. Its intuitive design and powerful features have significantly reduced my project turnaround times.

Nathalie Delacroix

Freelance translator at Copy2U

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