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Online Mastering

online audio mastering


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Product Description

Welcome To Priory Online Mastering



The Priory Online Mastering service allows you to easily and securely book unattended mastering sessions at Priory Studios, Birmingham. Its convenient, cost effective and by choosing Priory Studios you are choosing uncompromising quality, a highly experienced engineer, high end equipment and the opportunity to take your music to an industry standard level.

Audio Mastering is the process by which a mixdown is enhanced in order to prepare it for CD/Vinyl/Digital format duplication/replication.  The process consists of adding the final touches to a final mix in order to give it the necessary polish and enhancement to ensure consistent playback on broadcast, domestic and professional systems.  Priory Studios prides itself in delivering the finest quality mastering, which translates perfectly to all reproduction systems.

We can prepare masters for CD duplication, iTunes and digital releases (.flac, .mp3, .wav, .aiff and others), and prepare digital masters for the vinyl format. We can master to and from various sample rates between 44.1kHz/16Bit and 96kHz/32Bit, and can provide and accept various file formats.

Priory Online Mastering is very easy to use, just add an Online Mastering Product above, proceed to the checkout and confirm your details. You will then be able to upload or alternatively post your tracks to us.

Please provide detailed notes when submitting mixes for mastering, such as full song titles, album, single or EP title, band name, track listing, ISRC Codes (if using) and preferred final format.  For example, CD or digital file format such as .wav, .aiff, and so on.  Please also provide any relevant information regarding cross-fades, segues, fade in’s/out’s and length of gaps between songs.  You can also provide direction on the type of sound you are looking for and any relevant reference material.

It is commonly unknown amongst bands and even some record labels that music mastered for CD is often not suitable for creating a vinyl master.  Due to the difference in format limitations and how a vinyl master is created, it is often important to prepare the masters with different processing and sometimes even a different track order.  Our blog “Preparing digital masters for Vinyl production” covers this in much greater detail.

Mastering required for both CD/Digital format and Vinyl formats can be done together at a discounted price.  Please enquire for details.

We accept all major Debit and Credit Cards.


One Track

  • 6 Mins or less
  • 3 - 5 Day Turn Around
  • 1 Revision Included
  • Secure Payment Gateway



  • 4 Tracks 25 Mins Total Or Less
  • 3 - 5 Day Turn Around
  • 1 Revision Included
  • Secure Payment Gate



  • Up To 12 Tracks 60 Mins Total
  • 5 - 7 Days Turn Around
  • 1 Revision Included
  • Secure Payment Gate



  • One Track - £40
  • EP - £145
  • Album - £300
  • Call For Additional Requirements


*Turnaround on the majority of orders is within 5-7 working days, but please enquire for an exact timescale as the turnaround time depends on current availability/bookings.

**For individual tracks that are over 6 minutes, EPs over 25 minutes and albums over 60 minutes  please contact us for an estimate

***A master CD-R along with a second safety copy can be posted to a shipping address. You can add this option during checkout for an additional fee of £10



How do I get the Files to you?

Use the system above and follow the step by step guide in order to upload your tracks to our server. Alternatively you can send your tracks to us via WeTransfer, Dropbox or another secure file sending service to the greg@prioryrecordingstudios.com email address.

What audio files do we accept?

We accept the following file formats for mastering. .wav, .bwav, .aiff, .flac. Please send them at your project sample rate/bit depth (no need to change it). Please do not send .mp3, .m4a, .ogg, .vorbis or .wma files as they are data compressed and already degraded.

Should I leave my master buss compression or limiter on?

We prefer to master unprocessed final mixes where possible, as it gives us more scope and headroom to process and improve your mixdown during the mastering process. However, if you have mixed into a compressor, limiter or Eq, rather than inserting it after the mix levels are completed you might find that when you take it off the mix loses its shape. If this is the case, then please send two versions of each mix, one without the master buss processing and one with it, so that we can choose the version which will work best for the mastering.

How much headroom should I leave on my master bus?

The most important factor is that the master output is not clipping or exceeding 0dBFS when you author the final mix. Usually between -2 to -6dB peak value is good for a mixdown, but as long as it is not exceeding 0dB then it is fine. Most DAW’s will enable you to check your peak levels so you can check the maximum peak value before sending the files.

Do Priory offer Mastering Revisions?

Yes, we offer 1 revision included per track. However, requests for higher perceived loudness when a reference has not been supplied or further mastering due to resubmission of mixes will be charged.

What are IRSC codes?

ISRC codes are unique, 12 digit track identification numbers which allow for automated royalty reporting. They are only usually required if you are having a Red Book CD master, as there is no official provision for this code in .wav/.aiff files. In the UK, you can get them by registering with the PPL http://www.ppluk.com/. It can take anything from a couple of days to a couple of weeks to obtain, so please do so in advance of the mastering session date.

What is the turnaround on Priory Mastering?

Our standard turnaround on a single track is usually between 1 and 5 working days. For E.P’s and full albums, our usual turnaround is 5-7 working days. Please enquire for an exact timescale as the turnaround time depends on current bookings/availability.

How do I receive my finished tracks?

You will be notified via the supplied email address when your project has been completed. You will then be able to download your project files via our secure online server, or we can use dropbox, wetransfer or a file sending service of your choice. Alternatively, a CD master (including a second safety copy and a third listening copy) can be sent by request for an additional fee of £10 plus postage costs.