Professional Mastering Studios


Submitting Your Mastering Project

You must supply a mixed down, stereo master in one of the formats below. We recommend a hi-resolution format such as WAV or AIFF files at 24-bit/44.1K be submitted in order to achieve the best results from the mastering process. If a hi-resolution version of your audio master is not available, see below for a list of other acceptable formats.

Formats we accept for audio mastering

We can accept your master on one of the following formats:

– Data Files (wav, aiff, SDII, FLAC, etc.) via Upload, or CD-R, DVD-R, flash drive

– Audio CD

*Compressed file formats such as MP3, AAC, or WMA files are not acceptable as a source for mastering.

*It is recommended that processes such a limiting and maximizing, etc. not be applied on the stereo buss during mixdown. A master that arrives already compressed and or limited greatly reduces the ability of the engineer to deliver the best sounding master possible.

Masters with excessive level, clipping or audible distortion may also prevent us from mastering your project to its fullest potential. Leaving 3-4 dbs of headroom during mixdown is a good rule to follow to avoid clipping and distortion on your master.

If any of the above issues are found on your submitted master we may request that you correct the issue and submit a new master before we proceed.

Handling audio masters

Handle all masters carefully, both before and after recording. Touch CDs only by the edges and keep them free of fingerprints and scratches that can cause data errors. Make sure your master is labeled clearly with your contact information.

It is very important that you download and fill out the Bates Mastering Questionaire,  to help our mastering engineers get the most out of your audio master. If you are submitting a physical master please include a copy of the Bates Mastering Questionaire with it. If you are uploading your master please fill out the questionnaire pdf electronically.

Track listing form for audio mastering

You must complete the Track Listing Form included in our Bates Mastering Questionnaire. Required information on the form includes a complete and accurate running time log listing all events (tones, silences, songs, outtakes, noises, etc.) as they occur. The Artist, Title, and Track Names entered on this form will be used to add CD-text to your SoundLAB master. Please ensure all information is accurate.

For CDs, the maximum length is 79:45 minutes. For programs over the industry recommended 78:00 total time, you must submit a signed disclaimer form with your order.



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