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mix-engineer

Diagnose phase and masking issues in stems using Phantom analysis tools.

24|Updated Apr 27, 2026
Search Tags:#compression#audio mixing#equalization#reference matching#stem analysis#phase checking#reverb delay
One-click install
npx skills add https://github.com/fadelabs/phantom --skill mix-engineer
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mix-engineer
Source: https://github.com/fadelabs/phantom/tree/main/plugin/skills/mix-engineer
Command: npx skills add https://github.com/fadelabs/phantom --skill mix-engineer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

It resolves common mixing problems by translating unclear “it sounds off” feedback into measurable actions for balance, EQ, compression, spatial processing, and automation.

Core Features & Use Cases

  • Pre-mix diagnostics and phase-first decisions: runs measurement checks (including phase/masking) so EQ choices don’t fight destructive interference.
  • Masking-aware EQ and frequency conflict resolution: identifies competing instruments in key ranges (e.g., mud 200–350 Hz, vocal presence 2–4 kHz) and recommends complementary cuts/boosts.
  • Compression strategy that matches intent: selects compressor type and settings by character (opto/FET/VCA/vari-mu), tuning attack/release to preserve transients and control dynamics.
  • Spatial processing and verification: guides panning, reverb/delay choices, and post-processing checks to avoid over-widening and loss of mono compatibility.
  • Automation and finishing checks: improves intelligibility and translation using section-boundary automation, vocal riding principles, and reference-style verification.

Quick Start

Use the mix-engineer skill to analyze your stems, check phase and masking, then produce a step-by-step mixing plan for EQ, compression, reverb/delay, automation, and reference-based verification.

Frequently Asked Questions about mix-engineer

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

FAQPage Schema
How do I fix muddy audio mixing and frequency masking in my stems?▼

Audio mixing resolves muddy stems by measuring masking issues in ranges like 200–350 Hz, then applying complementary EQ cuts to separate competing instruments. This diagnostic approach translates unclear sound feedback into actionable frequency adjustments.

What is the best way to choose compression settings for vocal and bass tracks?▼

Choosing compression settings involves matching compressor character—opto, FET, VCA, or vari-mu—to your track's intent, then tuning attack and release to preserve transients and control dynamics. This strategy resolves vocal and bass conflicts while maintaining clarity.

Why does my mix lose clarity and mono compatibility after adding reverb and delay?▼

Mixes lose clarity and mono compatibility when spatial processing causes destructive phase interference or over-widening. Running phase checks and verifying spatial effects post-processing ensures reverb and delay choices translate well across all playback systems.

How do I prepare a Reaper session for measurement-driven stem mixing?▼

Preparing a Reaper session for stem mixing requires importing individual tracks and running spectrum, phase, and dynamics analysis using Phantom analysis tools. These measurements identify masking and phase issues to produce a step-by-step EQ and compression plan.

Can I use reference matching to verify my mix translation and intelligibility?▼

Yes, you can use reference matching to verify mix translation by comparing your spectrum and dynamics against professional reference tracks. This process guides section-boundary automation and vocal riding principles to improve intelligibility and achieve a verified final mix.

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