Polaris Studios | Polaris Mixing
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We offer Professional Audio Mixing services for musicians, music producers and record labels all over the world, provided by our team of largely-experienced engineers, with the added value of some production advice if your material is in need for it.  We can take your recorded tracks and build your mix from the ground up, or take your raw mix through all the required stages of professional mixing to obtain a finished, commercial-grade result.  Of course, we will suggest you to let us finish your work in the mastering stage at Polaris Mastering, so you can obtain a fully treated and edited track, ready for digital distribution and available in your desired file formats.

If you decide to mix your tracks at Polaris, just upload your multi-track audio files to our server and one or both of our mixing engineers will combine the best of our analogue gear and the latest digital technology to get the best results from your song.

Prices for our mixing services are calculated according to the duration of the song and the number of audio multi-tracks to be mixed.  Of course, mix revision is included as part of the package; this gives you the chance to get right every detail of your mix and maybe to provide us some additional item to complete your song; but must important, it allows us to communicate and agree with you about some mixing and production details that we want you to be fully satisfied about.

How can I mix my songs at Polaris?

As Polaris engineers will not be working with you in person, it is important for us...

…to gather as much information as possible about how you would like your song to sound.  Please send us some general and/or objective ideas about your song’s final result, i.e. “I’d really like this to sound like ‘No Surprises’ from Radiohead”, or “I want the vocal track to have a band-pass filter during the second verse”, etc.  Of course, if you have a song file containing some details that could give us a better perspective of what you need for the song in detail, please provide it to us and we will treat your tracks with a commercial-grade approach to that basic vision.   If you have that basic mix, it will also serve to let us know what you like and don’t like for your final track.  Sending a commercially released reference song is also very useful. Instructions like these will immediately give us a better idea of what you’re expecting and we are always open to suggestions.

Before submitting your audio files:

Please ensure that you have read our ‘How It Works’ section carefully. This explains exactly what we need from you, along with what you can expect from the service..

To send us your multi-track material to be mixed, please e-mail us to  artists@polarismastering.com. You will receive an answer e-mail containing a link and directions to upload your audio and other data to our secure server.


First of all:  Please send us an e-mail to artists@polaris-studios.net , just writing “Polaris Mixing” and your Artist Name in the subject line.  We will send you back another e-mail with some simple directions to upload your audio tracks and all the necessary data to a personalized place on our server, which will be set up exclusively for your project as soon as we receive your first e-mail.  This service is entirely for free.

What we need from you to start our work:

It is the artist/producer responsibility to ensure all the multi-tracks provided are ready for mixing. Please do not assume any tuning or timing issues will be automatically resolved.  However, if a small amount of vocal tuning is desired you can provide this information. If our engineers suspect the amount of tuning or editing will seriously intrude on mix time you will be informed. It is in your best interest to do any tuning and editing in your time, so that the Polaris engineers can maximize time spent mixing your song.

Preferred track format:  We can accept WAV or AIFF files, 24-bit @ 44.1 / 48 / 88.2 / 96.0 kHz.  16-bit files are not suited for mixing or mastering purposes.

Please supply us with mono or stereo files, clearly named and free of digital audio clipping.

Every track must be consolidated from the start to the end points of the song.  This means, all tracks must be of the same duration (full length of the song instead of audio snippets).  Of course, the bit depth and sample rate must be the same for all tracks.  See FAQs section to know how to export consolidated tracks from your DAW.

It is preferable to reunite (or “zip”) all your files for each track before uploading them (in a .zip or .rar file).  This helps the uploading process to go faster.

We cannot accept DAW sessions (i.e. Pro Tools, Logic, Cubase etc).

A track cannot share different sounds, for example a backing vocal track with a guitar solo in the middle.

Please do not bounce (mixdown) any tracks if possible.  Even when some mixing studios ask their clients to bounce tracks containing the same kind of content (i.e., backing vocals), we prefer to have those individual tracks at hand to manage their processing in an independent fashion.  This topic stays at the recording engineer’s discretion.

Please ensure you have uploaded all the correct multi-track files that you want to be included in your song.

We request that multi-track files are supplied dry, without reverb or effects. However, if you feel a specific effect, processing, or creative element (such as filter sweeps, delays, etc.) is an integral part of the sound, please provide the processed version plus a ‘dry safety’ version. This will not add your overall track count. Please label both versions clearly and mention this in the information you provide.

Please “print” (render) any midi/virtual instruments tracks to audio files.  We can only accept audio tracks.

If you are using a particular plug-in for a vital sound or special effect, please render it and provide me both the original and “affected” versions.  Please label them accordingly (i.e. “Keyboards Dry” and “Keyboards FX”).

Make sure you allow plenty of headroom on your multi-tracks to avoid clipping or distortion. These artifacts cannot be removed in the mix or mastering processes.  Your recording engineer can take care of this.  We can also provide you some useful information on this topic if needed.

In addition to as much written information as possible (that you can write in the form that you will receive from us via e-mail), you’re welcome to provide a rough mix and commercially released reference song.  A commercial song is only a guide and results are completely dependent on the quality and style of the multi-track provided.  Any track sheets, chord/number charts, key/tempo info or lyric sheets are also helpful.

We are greatly interested to run this service for you in a smooth fashion. Please read the above information and the FAQ carefully, to ensure you fully understand how online mixing works.

Some further details about Polaris Mixing services:

In most cases, the turnaround time is less than 10 days per track.

One mix revision is included in the price.  Please ensure you inform us within 24 hours of mix delivery if you require a revision.  Our definition of a mix revision can be found in the FAQ section.

You will be supplied with:

A limited ‘listening’ copy in CD-like quality (16-bit @ 44.1 kHz)

Unlimited mix master at original sample rate and bit depth

Unlimited backing track at original sample rate and bit depth (if requested)

Unlimited a cappella track at original sample rate and bit depth (if requested)


What is a mix revision?

A mix revision is a reasonable number of minor tweaks to levels or sonic elements within the mix, e.g. “bring the reverb on the vocal down, bring the level of the guitar solo up” or “add more boom to the kick drum, the acoustic guitar is too bright”. Major changes in direction will not be accepted as a mix revision, and will be treated as a new job. This is why we strongly encourage clients to provide as much written instruction as possible, along with a rough mix and commercially released reference song.

How do I supply my audio files?

Full details of how to supply files can be found in the How it Works tab. Audio files can only be supplied via online upload.

What is a limited ‘reference’ mix?

This is a 16-bit @ 44.1 kHz mix (regardless of the original sample rate and bit depth) that has been limited to bring its overall level more in line with commercial releases.  This file is ideal to burn to a CD or convert to MP3 as a listening copy of your song.  Files will also be provided unlimited (normal mix level) at the original sample rate and bit depth; these files are the ones that can be used for mastering sessions.

Will my song be mastered?

Not as part of online mixing, but we strongly recommend artists to master their tracks with us at Polaris Mastering.  This decision stays at the discretion of the artist or producer.

Do you offer a mix and master ‘bundle’?

Yes, we can offer you a mixing + mastering bundled service, for an even better rate than the individual services.  Rates will vary from project to project given the great differences in features that determine the final costs, but doing both the mixing and mastering with us will benefit the overall quality of the final product and reduce the price for you.

How do I contact you with online mixing questions?

If you have a query about the online mixing service that has not been not covered here or in the How it Works section, please send us an e-mail to artists@polarismastering.com

How can I export consolidated tracks from my DAW?





Number of audio multi-tracks Mixing Only Mixing + Mastering 
Up to 24 tracks US$ 132 US$ 177
25-48 tracks US$ 190 US$ 235
49-71 tracks US$ 244 US$ 289
72-104 tracks US$ 298 US$ 343
105-139 tracks US$ 352 US$ 397
140-192 tracks US$ 398 US$ 452