Mack Crown Master AI-assisted mastering inside the Mack Crown system.
AI-assisted mastering workspace
Guided workflow
Open Prompt Vault
Master Faster On Phone Upload a track to begin the mobile workflow.
Spotify 44.1 kHz / 24-bit Assist idle
Mack Crown logo
Mack Crown Master
Target / Upload / QC / Master / Export

Hear a mastered preview, shape the premaster, then unlock the final print.

Set the target, load the source, review QC, and make cleanup moves before print. Every new customer hears a 30-second mastered preview first, then unlocks the full return after payment or active access.

Fast setup. Cleaner premaster moves. A mastered preview before unlock.
Load Source Upload the premaster and optional reference so the session reads level, tone, and stereo health.
Shape Premaster Use QC and AI guidance to tighten trim, 5-band EQ, and translation before print.
Hear Preview Review the 30-second sample, compare spectra, and unlock the full file when ready.
Workflow Rail Session path

Move from upload to preview to final return on one clear rail. The active step stays lit so the next action is always obvious.

30-Second Sample Hear the mastered excerpt before unlocking the full return.
Raw / Pre / Master Watch the energy shift across the full chain in one live board.
Load source Bring in the source and optional reference so the app can read tone, loudness, and stereo health.
Master

Focused mastering connected to Prompt Vault and Studio Monthly in one Mack Crown system.

AI-Assisted Mack Crown System
Prompt Vault
Session flow Follow one organized path through source lock, tone shaping, limiting, and final render.
Unlock return Compare the preview, then unlock the full master for download and release.
Session Control
Mastering
Control Deck

Start here: set the delivery target, confirm the export format, and lock the session before you load audio into the mastering path.

Waiting for source
2,117 kbps
AI Master
Step 1 · Choose Target
Streaming Target -14 LUFS

Pick the destination first so the QC, AI guidance, and final print are all aimed at the right loudness and delivery profile from the start.

Mastering Console Idle
Live Master Print Console standing by

Press Start Mastering and this console stays live through source lock, tone shaping, final print, and return delivery.

Live Progress 0% Updates while the print is running
No source loaded
Spotify
FFmpeg hybrid
Waiting for the first pass
Live Mastering Console 0%
+
Console standing by Start mastering to stream live stage updates, queue events, and final return status here.
Idle
Step 2 · Upload Source

Drop the mix or render here to unlock QC, premaster guidance, and the first AI-assisted master pass.

Load your premaster

Drag in a WAV, AIFF, FLAC, MP3, or OGG file, or click to browse.
The app reads loudness, peaks, tone, and stereo health before the first master pass, and a reference is optional.

AI source scan Optional reference match Pinned return deck
Decoding... 0%
AI Mastering Engine
Mastering engine Upload a source to wake the mastering engine, run source QC, and prepare the return deck for the first print.
Awaiting source file
Trim + 5-band EQ standing by
Manual until the first master pass
Waiting
This panel tracks the current stage and shows how the app uses QC, platform targets, mastering style, and AI-assisted premaster moves before the final print.
Step 4 · Review Return
Original vs Master The source and final master stay pinned here for quick A/B review throughout the session.
Session Summary
Spotify
Open Format
44.1 kHz / 24-bit
-1.0 dBTP
0:00
Billing & account Manage your plan, credits, and customer portal without interrupting the mastering flow.
Billing Setup
Add your billing email to start Studio Monthly, purchase a 2-Track Pack, refresh your account, and manage billing in one place.
$9/month Unlimited AI masters while active
$5 one-time 2 AI master credits
0
Checking
Mastering style Optional starting curves for tone, density, and image. Open this only when you want faster creative steering.
Open Format
Mastering style stays tucked away so the default screen stays centered on target, upload, QC, and delivery.
Step 3 · Review + Master
Mastering Workspace
Review the source, make any cleanup moves you want, then print one clean streaming-ready AI master from this session.
QC Open mix health, stereo, and peak checks for the current source.
Review
Mastering QC Upload audio to inspect mix health
Stereo + Peak Awaiting analysis
Master Assist Open premaster guidance, reference analysis, and the AI decision layer for the next pass.
AI-guided
Premaster Moves Awaiting source QC
Run QC to unlock guided premaster moves. After the source analysis finishes, this panel will suggest small input trim and 5-band EQ adjustments you can audition before the first mastering pass. Once a master exists, later changes will refresh the preview automatically.
Source QC will map headroom, loudness, stereo stability, and density into workable premaster moves for the trim and 5-band EQ stage.
Current premaster estimate will appear here once source QC is ready.
Master Assist Waiting for source QC
Master Assist reads the source QC and steers the next full AI mastering pass. Once the source analysis is ready, Master Assist reviews loudness, peak, stereo, dynamics, mastering style, platform target, and premaster state to suggest cleaner trim and tone moves before the next full AI print.
lanielle.ai Profile lanielle.ai / Mixing and mastering AI
Teach lanielle.ai while you work Use OpenAI as the intelligence layer and get short explanations, practical takeaways, and a listening exercise with each pass.

lanielle.ai is your branded mixing and mastering AI inside the app. OpenAI powers the intelligence layer, while your profile personalizes how it teaches and explains each pass; this does not train a brand-new model.

Quick Focus One Click
Reference Optional target matching for commercial direction and tighter AI comparisons.
Optional
Reference Track Optional but powerful. Load a commercial reference and Master Assist will compare your source against its loudness, dynamics, stereo image, and tonal balance profile before steering the next pass.
No reference track loaded yet. Master Assist will compare against the selected reference target until you load a real track.
Load a source and a reference track to compare them directly.
Master Assist can compare the source against the current mastering style or a custom reference direction before steering the next full AI mastering pass.
Master Assist Brief Waiting for source QC
Learn With lanielle.ai Waiting for source QC
The mastering engine handles the print path. Master Assist works as the decision layer: it reads QC, reference direction, and premaster state to suggest mastering-safe moves before render.
Input Waveform 0:00
No track loaded
Live Spectral Board Waiting for source
Raw Source mix
Premaster Trim + 5-band stage
Master Final print lane
Tools Open the full premaster and mastering chain only when you want advanced manual control.
Advanced
Premaster + Mastering Chain The local API applies premaster trim, 5-band EQ, platform-safe de-essing, mono-safer stereo shaping, loudness targets, and export settings