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mastering-engineer

Produce a distribution master from a stereo mix using a corrective-to-enhancement workflow.

24|Updated Apr 27, 2026
Search Tags:#reference#mastering#audio engineering#lufs#true peak#stereo imaging#dither
One-click install
npx skills add https://github.com/fadelabs/phantom --skill mastering-engineer-fadelabs
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mastering-engineer
Source: https://github.com/fadelabs/phantom/tree/main/plugin/skills/mastering-engineer
Command: npx skills add https://github.com/fadelabs/phantom --skill mastering-engineer-fadelabs

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill turns a stereo mix into a distribution-ready master by applying a complete, measurement-driven mastering workflow that targets loudness, manages true peaks, and avoids common mastering mistakes.

Core Features & Use Cases

  • End-to-end mastering chain guidance: Follows a strict stage order from HPF through limiting and dither, including when corrective steps must be avoided and enhancement steps are safe.
  • Measurement-first decisions: Uses diagnostics like loudness, dynamics, stereo analysis, phase correlation, and problem detection to decide whether to master or send the mix back for stem/balance fixes.
  • Reference and platform targeting: Supports A/B against genre profiles or reference tracks, and targets platform delivery specs like LUFS and true-peak ceilings (e.g., streaming vs vinyl).
  • Format-aware delivery: Covers streaming (Spotify/Apple/YouTube/Tidal), CD, and vinyl constraints including mono-bass handling, vinyl HF rolloff, and dither requirements.

Quick Start

Use the mastering-engineer skill to master your mix to the requested delivery platform by running loudness and dynamics checks, applying the full corrective-to-enhancement chain with the correct true-peak ceiling, and verifying QC with loudness, stereo/mono compatibility, and problem detection.

Frequently Asked Questions about mastering-engineer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I master a mix for streaming platforms like Spotify and Apple Music?▼

Mastering for streaming requires targeting platform-specific LUFS loudness and true-peak ceiling values. This Skill applies a measurement-driven workflow to produce distribution-ready masters, A/B testing against reference tracks to meet streaming delivery specs.

What is the correct order for audio mastering chain processing?▼

Correct mastering chain ordering applies corrective steps like EQ before enhancement, sets a true-peak ceiling, and applies dither as the final step. This Skill enforces strict stage ordering from HPF through limiting to ensure professional distribution outputs.

When should I send a mix back instead of mastering it?▼

You should send a mix back for stem or balance fixes when problem detection and phase analysis show upstream mix issues exceed defined thresholds. This Skill uses loudness and dynamics diagnostics to enforce send-back conditions before enhancement processing begins.

Can I use reference tracks to A/B match my master to a genre profile?▼

Yes, reference-based A/B decisions are supported by comparing your master against genre profiles or imported reference tracks. This ensures your distribution master meets loudness targets and stereo imaging expectations for the desired delivery format.

Does CD mastering require different true peak and dither settings than streaming?▼

CD mastering requires different true-peak and dither settings than streaming due to format-specific delivery constraints. This Skill handles format-aware delivery for CD, streaming, and vinyl, applying appropriate HF rolloff and mono-bass handling per format.

Why does my master fail loudness and stereo compatibility checks?▼

Masters fail loudness checks when LUFS targets are missed and fail stereo compatibility when phase correlation is poor. This Skill runs measurement-first diagnostics for dynamics and stereo analysis to detect problems and guide corrective chain adjustments.

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