TM

Private beta

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TrkMstr is currently available to invited testers.

TM

Your private workspace

Create your TrkMstr account

Your projects, preferences, assets, and reference libraries sync securely across your devices.

Private beta Audio is processed in this browser. Results are previews—level-match and listen before release.

Your mastering room

Detroit / Flint Style Rap

No project selected

Start here

Bring in your mix

Drop in the version that still needs mastering. We’ll listen, compare it with your references, and build a direction around the song.

Beta limits: one WAV/AIFF/FLAC/MP3/M4A, up to 250 MB and 15 minutes. WAV is strongly preferred.

Already mastered?

Check a finished master

Give an existing master a focused release check without starting a new mastering session.

The listening room

What we’re hearing

Your clearest signals first. Deeper engineering detail stays below when you need it.

Master Readiness --

Upload a mix to begin.

Reference Match --

Select or build a library.

Integrated Loudness --

Estimated from decoded audio.

True Peak Risk --

Checks clipping and ceiling risk.

Release Decision

No mix loaded
Upload a mix for a release call.

The app will tell you whether to master now, fix first, or get human help.

Underground Master Assist

Low-budget release workflow

    Tonal Balance

    Mix vs reference average

    Category Scores

    0-100

    Readiness Issues

    Fix before mastering

      Mastering Plan

      Click Master to choose the sound target.

      Local plan shown. Click AI Plan to ask OpenAI for an enhanced interpretation.

        Loud Master Mix Prep

        Step-by-step mix coaching for cleaner loudness

          Ask the loudness coach what to fix, where to fix it, and how much to move it.

          Coach ready.

          Technical Snapshot

          No mix loaded

          Section Analysis

          Loudest, bass-heavy, and dynamic-risk sections

          Create Account

          Projects, reference libraries, mastering preferences, and settings are saved separately for each account on this device.

          Create Reference Library

          Create Project

          Project Details

          Release Package

          Not checked

          Master Version History

          Recent Master Checks

          Library Details

          0 references

          Add reference tracks

          Upload legally owned WAV, AIFF, FLAC, MP3, or M4A files. They will be analyzed and added to this library.

          Ready for reference tracks.

          Analyzed Songs

          Suggested Songs

          0

          Master Sound Target

          Audition a short section first, then render the full master once the direction feels right.

          Preview will render automatically.
          Dynamics guard can stop before this target if the song starts getting crushed.

          What should the record make people feel?

          This guides what the chain protects—not just how hard it pushes.

          Declare the feeling and the musical details that must survive mastering.

          Instant Master Goals

          Fast presets with guardrails

          Pick a goal to set loudness, sliders, version, and safety guards together.

          Critique Guard

          Prevents common AI-mastering failures

          Translation Guard

          Analyzing mix risks...
          Suggested master Analyzing best fit...

          Upload a mix and choose a reference library to get a recommendation.

          Render Versions

          Select one or more masters to save into this project.

          Balanced target.

          Finished Master

          Your processed master is ready.

          0:00 / 0:00

          Intent Listening Gate

          Listen to both sources before approving the feeling.

          Download WAV

          Admin Panel

          AI Analysis

          Local testing only: browser tokens are ignored in production unless explicitly enabled on the Worker. Set the real OpenAI key as a Cloudflare secret.

          Analysis Rules

          Recommended Integrations

          • Backend analysis worker: BS.1770 LUFS, true peak oversampling, deeper FFT, long-file processing.
          • Object storage: S3, R2, or Supabase Storage for reference libraries and version uploads.
          • Auth and billing: Supabase/Firebase/Auth0 plus Stripe for account tiers and usage limits.
          • Reports: PDF export, share links, client notes, and before/after history.
          • Audio playback: A/B level-matched player with loop regions and version comparison.

          Before you test

          To delete local beta data, use Reset Demo for the current workspace or delete individual projects and libraries. Problem reports exclude audio.

          Report a beta problem

          Your report is sent privately to the owner inbox, grouped with similar reports, and stripped of audio and secrets.