Introducing Tonn API Self-Service: For AI Mixing, Mastering and Mix Analysis

For developers, early-stage startups, and music tech enthusiasts, achieving professional-grade sound has never been easier. Meet Tonn, RoEx's intelligent audio engine: An API designed to bring the power of AI mixing, mastering and industry-grade audio production tools directly into your software, service or platform.

Built on pioneering research from Queen Mary University of London, RoEx’s Intelligent Audio Engine, Tonn has enhanced over 2 million tracks since April 2023. Now, with our Self-Service API, startups and developers can seamlessly integrate AI-powered multitrack mixing and mastering into their products - without complex engineering or high upfront costs.

What is the Tonn API?

Tonn is RoEx’s versatile audio production API, designed for a range of music and audio production applications. Whether your product is focused on music creation, audio editing, streaming or distribution, the Tonn API helps you deliver consistent, professional-quality sound to your users.

AI Mixing: Precise and Tailored to Every Track

Now available via the Tonn API, AI Mixing allows platforms to provide their customers with professional-grade multitrack mixing. Enterprise users and developers can leverage the power of our patented multitrack mixing system, to achieve professional-grade, balanced mixdowns in minutes.

• Achieve a Balanced & Cohesive Sound – Tonn’s patented multitrack mixing system combines up to 16 tracks and dynamically adjusts levels, panning, dynamics, EQ and more.

• Adaptive Processing – Mixing tailored to the genre and sonic profile of the track.

• Seamless Integration – Easily add AI mixing to your platform with minimal setup.

AI Mastering: Industry-Grade Sound in Seconds

Tonn’s mastering engine ensures release-ready audio by optimising loudness, tone, and stereo width, giving every track the polish it needs. Tonn API Self-Service is ideal for platforms offering user-generated content, music distribution, and more.

• Fast & Scalable – Master tracks in seconds with cloud-based processing.

• Precision Processing – AI-driven mastering ensures balanced, professional sound.

• Transparent Pricing – Pre-paid credits mean no hidden fees or subscription lock-ins.

AI Analysis: Actionable Feedback for Your Mix or Master

The Tonn API provides in-depth, bespoke Mix and Master analysis, delivering detailed feedback and recommendations to help users refine their audio. This feature enables developers to integrate objective mix and master evaluations directly into their platforms, as showcased in our own Mix Check Studio product. This feedback can help music makers and creators achieve professional-quality results, or provide you data about batches of audio files, such as for QC processes on a music catalog.

• Detailed Feedback – Analyse aspects including loudness, stereo width, tonal profile and dynamic range to pinpoint areas for improvement.

• Actionable Recommendations – AI-powered mix and master improvement tips help users achieve industry-standard sound.

More Features Coming Soon

Our self-serve API currently offers AI-powered multitrack mixing and mastering, with audio cleanup on our roadmap next. Interested in future capabilities? Sign up here to express your interest.

How Tonn API Self-Service Works

We’ve made integrating AI mastering into your workflow as simple as possible:

1. Sign Up & Get Approved – Create an account and request API access.

2. Integrate & Test – Use the Tonn API to mix and master audio files. You’ll receive 100 free credits on sign up.

3. Purchase Credits – Flexible packages with volume discounts.

4. Use Credits for API Requests – Credits are deducted per each request.

5. Monitor Usage – Track credit balance in your dashboard.

6. Enable Auto Top-Up (Optional) – Prevent service interruptions with auto-billing.

Simplify Audio Production with AI: Why Choose Tonn?

Responsible, Human-Trained AI

Our AI tools are manually trained by audio engineers to emulate the mastering decisions that they would make in a studio setting.

Easy Integration

Seamlessly integrate AI-powered mastering into your applications with minimal effort.

Best AI Mixing and Mastering Tools

Leverage RoEx’s proven technology (used on over 1.9 million tracks) for professional-grade results.

Transparent Pricing

Pay-as-you-go model ensures predictable costs with no hidden fees.

Reliable, Fast Processing

Deliver 30-second previews in near real-time and process full tracks in minutes.

Scalable & Flexible

Whether you're an indie developer or a growing startup, Tonn scales with your needs.

Join Dave Ronan, founder of RoEx as he explains the crucial role of mixing in the music production process, and introduces RoEx's intelligent audio tools:

Tonn API Self-Service offers flexible pricing so you can choose a package that suits your needs.

For larger organisations or high-volume needs, above 500 mixes or masters per month, we offer a customised plan tailored to your usage and business size. Contact the RoEx team to discuss your enterprise needs.

Get Started with Tonn Today

Ready to integrate AI-powered multitrack mixing or AI mastering into your product? Sign up for an account, get approved, and start processing tracks in minutes.

Audio and music tech developers can find more tutorials and guidance on getting started in our Tonn API Docs.

Join the future of music production with Tonn API Self-Service.