There is a short answer and a useful answer. The short one fits in a sentence and will not change anything you do.
Prices in this market range from free to several hundred per track for what looks like the same deliverable. The difference is real, but it is not always where you would expect.
Nothing below is theory for its own sake. Every number here is one you can check on a meter, and every step is one you can run on the next track you open.
Key takeaways
- A brief with a reference and a named problem gets a better result than a budget increase.
- Send 24-bit with 3 to 6 dB of headroom and no bus limiter.
- Judge the result level-matched, on at least three systems.
- Agree the revision policy before you pay.
What you are actually paying for
The price of mastering buys three things: a set of decisions, a room and monitoring chain honest enough to make them in, and someone who has heard enough records to know what finished sounds like.
AI mastering changes the economics of the first item and removes the second and third from the equation. That is a genuine trade, and whether it is a good one depends entirely on the track.
| Approach | Typical cost | Turnaround | Best for |
|---|---|---|---|
| AI mastering | Free to low | Minutes | Demos, references, high-volume release schedules, and tracks that are already mixed well |
| Online human mastering | Mid | 1 to 3 days | Singles and EPs where the mix needs judgement, not just processing |
| Attended session | High | Scheduled | Albums, complex material, and anything with a commercial deadline behind it |
How to brief it so you get what you want
- Send a 24-bit mixdown with 3 to 6 dB of headroom and no limiter on the bus.
- Send one or two reference tracks and say specifically what you like about them.
- Name the problem you already hear. Engineers fix stated problems faster than implied ones.
- Say where it is going: streaming, vinyl, CD, sync, or all of them.
- Label the file properly. Artist, title, version, date.
Vague briefs get generic results. Make it louder is not a brief. The chorus loses weight compared to my reference is a brief.
Judging the result honestly
- Level-match before you compare. An unmatched master always sounds better if it is louder.
- Listen on at least three systems, one of which should be a phone.
- Check that the low end survives mono.
- Confirm true peak is at or below -1 dBTP and there is no clipping in the AAC.
- Ask whether the master solved the thing you asked about, not whether it sounds different.
Revisions are part of the process
A first master is a proposal. Good engineers expect notes, and specific notes get acted on precisely: the vocal sits half a decibel low in the second verse is workable, make it better is not.
Get the revision policy in writing before you pay. Unlimited revisions on a clearly briefed track is a reasonable standard, and it is the one worth looking for.
Knowing when to stop
There is a point in every session where further work stops improving the record and starts merely changing it. Recognising that point is most of the skill.
- You are undoing changes as often as you are making them.
- You cannot articulate what the last move fixed.
- The reference no longer sounds obviously better in any specific way.
- You are adjusting things you would not notice as a listener.
Bounce it, sleep on it, and listen once in the morning on a system you did not use to make it. That single listen tells you more than another two hours ever will.
A ten-minute version of this
If you have one evening and not one week, this is the order that gets the most improvement for the least time.
- Two minutes: listen all the way through without touching anything, and write down the three things that bother you.
- Two minutes: fix the loudest problem on the list, with the simplest tool that will do it.
- Two minutes: check in mono and on a phone speaker. Fix anything that falls apart.
- Two minutes: level-match against a reference and note the tonal difference, not the loudness difference.
- Two minutes: make one broad corrective move based on that comparison, then stop.
Three specific problems solved beats twenty small adjustments that cancel out. The written list is what stops the session drifting.
What MaestroNet does with this
MaestroNet analyses the source before it processes anything: spectral balance against a genre reference curve, crest factor, stereo correlation across frequency, transient density, and where the energy actually sits.
The targets move with the style. The chain does not. That matters, because a system that swaps in a different EQ curve regardless of what you sent will fight a mix that was already correct.
- Loudness targeting to the platform standard, measured integrated across the whole track.
- True peak limiting with oversampling, so the AAC encode stays clean.
- Bass management below the crossover, keeping the low end mono and centred.
- Tonal correction referenced to the selected style, applied in broad strokes rather than narrow ones.
What it will not do is decide that the second chorus should feel bigger than the first. That is an interpretive call, and it stays yours.
Frequently asked questions
How much should mixing and mastering cost?
AI mastering runs from free to a small per-track fee. Online human mastering is typically mid-range per track, and attended sessions cost more and are booked by the day.
What do I need to send?
A 24-bit mixdown with three to six decibels of headroom, no limiter on the bus, one or two references, and a sentence naming the problem you hear.
How many revisions should I expect?
Enough to get it right. Specific, named notes get acted on quickly. Agree the policy before you pay.
Can mastering fix my mix?
It can improve a good mix considerably. It cannot un-bury a vocal or repair a mix that was limited before it arrived.
Hear it on your own track
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Related tools: AI Mastering · AI Mixing · LUFS Meter and Audio Analyzer
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