Can I cancel a job that I submitted?

We allow for job cancellation within 15 seconds of submitting the job, see our <a href="https://docs.dolby.io/media-apis/docs/how-to-cancel-a-job" target="_blank" rel="noreferrer noopener">How-To guide for canceling a job</a>.

Media APIs

Music Mastering

Level up your app with built-in music mastering and empower creators to deliver professional-grade, release-ready music powered by Dolby.io APIs.

Music Mastering API Features For Your App

Try before you buy

Offer creators the chance to preview multiple mastering parameters before purchase at no additional cost.

Master your way

Incorporate mastering profiles from 14 genres and sonically diverse options based on your user base.

Distribution ready

Meet distribution loudness specifications using industry-leading limiting technology.

Stereo image enhancement

Intelligently identify stereo imaging issues with Dolby-generated insights before applying tightening or widening processing.

Deliver everywhere

Deliver mastered music in WAV, MP3, OGG, AAC, and MP4 formats in a single API call at no additional cost.

START BUILDING FOR FREE

Music mastering for you

For executives

Differentiate your application with a powerful premium feature to delight users, drive adoption, increase stickiness, and grow revenue per user.

For application owners

Quickly and easily add a professional-grade music mastering service to your application with extensive resources and support so your team can focus on what matters.

For developers

Start building in minutes with helpful resources including a UI kit, kickstart application with sample code, and extensive documentation and useful how-to guides.

For end-users

Make your tracks shine in seconds with music mastering that is flexible, powerful, affordable, and distribution-ready.

Hear the difference

Experience the Music Mastering demo

Hear the difference of Dolby.io Music Mastering with a single click. Powered using mastering profiles trained on thousands of hours of music content, intelligent stereo image enhancement processing, and industry-leading loudness and limiting technology, the Dolby.io Music Mastering API helps you make music sound its best and ready to distribute.

G.T.H.
Ekaterina Tolkishevskaya, Ben Milchev

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Dolby.io Music Mastering off

I am so thrilled that there is a Dolby mastering option on my SoundCloud account. As an independent artist, I will have access to the best quality sound for my music.

Monsieur Vampland

Singer-songwriter

I’m so obsessed with using SoundCloud’s mastering tool from Dolby on my old tracks, I’ve created a virtual masterer called Aurora Dolby!

Art Block

Singer-songwriter

Demo

Experience music mastering powered by Dolby.io

Featuring real artists and their tracks, we’ve pulled together a music mastering experience for you to enjoy. Put on your headphones and explore the different musical styles you can apply to your tracks by implementing the Dolby.io Music Mastering API into your media workflow.

Experience the demo

Developer Platform

Developer Resources

Music Mastering kickstart app

Build your own music mastering solution complete with file upload, preview, segment selection, preset and loudness target selection, master preview comparison, and final master track delivery.

Learn more ➜

Build faster with the Music Mastering UIKit

Integrate Dolby.io Music Mastering UI components into your application using our UIKit for React.

Learn more ➜

Documentation

Take me there

Developer blog

Read now

Learn more in the Music Mastering solution brief

Dive into our solution brief to learn more about Dolby.io Music Mastering key features and capabilities.

Download

FAQs

What is the Dolby.io Music Mastering API?

The Dolby.io Music Mastering API provides a professional-grade music mastering service to help music platforms deliver release-ready music. The service offers powerful functionality that creators love, including industry-leading audio treatment and limiting technology, over a dozen mastering profiles for creators to choose from, and stereo enhancement capabilities including both tightening and widening –all at lightning speed and a very accessible cost.

Why should I choose the Dolby.io Music Mastering API over other cloud mastering services?

Built on a rich legacy of signal processing innovation, the Dolby.io Music Mastering API is proven to perform at high scale, used by industry leaders including SoundCloud and UnitedMasters, and has mastered millions of minutes of audio. The service is easy to incorporate, with developer resources including extensive documentation, a UI Kit, and a Kickstart app with sample code to get started. With end-user friendly capabilities including track mastering in seconds, an option to preview multiple mastering profiles at no additional cost, stereo enhancing functionality including both tightening and widening, and loudness correction to meet standards for various distribution platform, the Dolby.io Music Mastering service is the standard in cloud-based music mastering.

What is the fastest way to get started testing the Dolby.io Music Mastering API?

The best way to test the Music Mastering API is by quickly deploying your own Music Mastering Kickstart App! We recommend following our Getting Started guide which walks through the basics of creating a Music Mastering workflow within your own application or service.

What is Music Mastering Preview?

Music Mastering Preview offers creators a chance to preview multiple mastering parameters before purchase at no additional cost.

It looks like you don’t support a feature I need, how do I submit a feature request?

We would love to hear about how we can help solve your problems, please contact us.

Do you preserve metadata from the original track?

Yes, pre-embedded metadata of common metadata types including artist, album, genre, and others will be automatically preserved after being processed.

What is the maximum number of jobs that can be submitted/processed at once?

The Dolby.io APIs are designed for scale. There isn’t a limit on the number of jobs that can be processed at once. We use a modern architecture to process high volumes of content in parallel.

What is the maximum number of outputs per job?

Up to five outputs per Music Mastering Preview and Music Mastering job can be generated.

Is there a limit on the input file length?

Yes, the input file length for the Music Mastering and Music Mastering Preview API must be greater than 1 second and less than 10 minutes.

Can I cancel a job that I submitted?

We allow for job cancellation within 15 seconds of submitting the job, see our How-To guide for canceling a job.

Who should I contact if I have additional technical questions?

Our su pport team can help you determine how to get what you need out of any of our APIs.

What input formats do you support?

The Dolby.io Music Mastering API supports most audio input formats. If you have a query regarding a specific format need, please contact us.

What output formats do you support?

The Dolby.io Music Mastering API supports WAV, MP3, OGG, AAC, and MP4 output formats. Music Mastering Preview supports only AAC output formats.

How do I get my files in and out of the API? Can I connect to my own storage?

The API can read any publicly available file on the web, pre-signed URLs, or HTTP with basic authentication. This works the same for your output storage. For testing the Media APIs, we also offer Dolby Temporary Cloud Storagefree of charge so that you can upload and download local files without having to connect your own storage account.

Are free trials available?

Yes, accounts start with $15 a month in free credits so that you can experiment with all of our media APIs before buying. If you transition your account to a pay-as-you-go customer, you will receive a promotional $25 per month credit for the promotional period.

What does the billing process look like?

The billing process is simple and transparent. Once you sign up you can get started for free. Once you are ready, move to the pay-as-you-go plan and only pay for your usage. Invoices are sent on a monthly basis. Each API’s pricing is listed on our Pricing pages.

Are taxes included in the pricing?

Taxes are assessed according to the billing address on file beginning January 1, 2022. We will not assess any tax to usage prior to that date.

Do you charge for failed API calls?

No, we don’t. If your job fails, you are not charged for any of the processing.

How can I cancel my subscription?

Our billing is no-commitment. Pay only for what you’ve used. Stop using the API to stop getting charged and change your plan in your dashboard.

Get started

Start building with audio and video APIs

Whether you’re building a communications, streaming, or media solution, we have an API for you.

START BUILDING FOR FREE START BUILDING FOR FREE

View pricing

Media APIs

Music Mastering

Music Mastering API Features For Your App

Try before you buy

Master your way

Distribution ready

Stereo image enhancement

Deliver everywhere

Music mastering for you

For executives

For application owners

For developers

For end-users

Hear the difference

Experience the Music Mastering demo

Monsieur Vampland

Singer-songwriter

Art Block

Singer-songwriter

Demo

Experience music mastering powered by Dolby.io

Developer Resources

Music Mastering kickstart app

Build faster with the Music Mastering UIKit

Documentation

Developer blog

Learn more in the Music Mastering solution brief

FAQs

What is the Dolby.io Music Mastering API?

Why should I choose the Dolby.io Music Mastering API over other cloud mastering services?

What is the fastest way to get started testing the Dolby.io Music Mastering API?

What is Music Mastering Preview?

It looks like you don’t support a feature I need, how do I submit a feature request?

Do you preserve metadata from the original track?

What is the maximum number of jobs that can be submitted/processed at once?

What is the maximum number of outputs per job?

Is there a limit on the input file length?

Can I cancel a job that I submitted?

Who should I contact if I have additional technical questions?

What input formats do you support?

What output formats do you support?

How do I get my files in and out of the API? Can I connect to my own storage?

Are free trials available?

What does the billing process look like?

Are taxes included in the pricing?

Do you charge for failed API calls?

How can I cancel my subscription?

Start building with audio and video APIs

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