Ear Lab Documentation

Objective Metrics for Audio Professionals

A comprehensive guide to Technical Ear Training, Pitch Recognition, and Auditory Calibration at ReyMod Ear Lab.

1. Introduction

ReyMod Ear Lab is not a game; it is a High-Precision Auditory Calibration Suite.

Designed specifically for music producers, mix engineers, and professional musicians, this system bridges the gap between subjective "feeling" and objective "knowing." By training here, you are calibrating your brain to identify frequencies, stereo position, and loudness shifts with laboratory-grade precision.

"In modern production, your ears are your most expensive gear. Calibration ensures that your decisions are based on reality, not guesswork."

2. The Modules (1-5)

The curriculum follows a logical progression from basic spectral awareness to multi-dimensional audio precision.

M1

Frequency Fundamentals

Goal: Associate spectral balance with numeric values.

Focuses on the 10 standard ISO frequency bands (31Hz to 16kHz). You will hear a boost in a specific octave; your job is to identify which one it is. This builds the foundation for all future EQ decisions.

M2

Comparative Identification (A/B)

Goal: Train short-term auditory memory.

In this module, the boost is more subtle (2-6dB) and the frequency bands are closer together. Use the A/B toggle to compare the original signal with the processed one. This is exactly how you check your EQ moves in a real mix.

M3

Technical Precision (Continuous)

Pro Grade: Variable Q & Real Material.

The target frequency is no longer fixed to 10 bands; it can be anywhere between 20Hz and 20kHz. Furthermore, we introduce real musical samples (Drums, Bass, Synths) instead of just noise. This requires absolute spectral focus.

M4

Loudness Match

Goal: Kill "Loudness Bias".

Our brains naturally perceive louder sounds as "better." This module forces you to match the volume of two signals by ear. Mastering this skill prevents you from making mixing mistakes just because a plugin made the track louder.

M5

Stereo Spot

Goal: Precision Imaging.

Identify the exact position of a sound in the stereo field (L/R) down to the percentage. Essential for creating wide, balanced, and professional-sounding mixes.

3. Note Finder: Pitch Utility

Note Finder is designed to develop Absolute Pitch and precise auditory memory for musical tones.

Training with Note Finder allows you to:

  • Transcribe melodies directly from your head to the instrument.
  • Identify the key of a song or a sample instantly.
  • Detect when an instrument or vocalist is slightly "off-pitch" without needing a tuner.
The 12-Point System

Note Finder uses a strict scoring model: +1 for correct, -1 for incorrect. You must reach 12 points to complete a set. This eliminates guessing and ensures genuine recognition.

4. Interface & Controls

Understanding the "Command Center" is vital for effective training.

Button / UIFunction
A / BA is the processed version (with boost/pan). B is the "Clean" original version. Toggle rapidly to hear what changed.
Noise OffToggles between Pink Noise and a Clean Tone (or musical sample). See section 5 for the utility of each.
Flat / EQIn real-time modules, Flat bypasses the processing entirely, while EQ engages it.
ReplayPlays the current stimulus again. In "Ranked" mode, replays are logged and may slightly affect your EAS score.
SubmitConfirms your selection. Once clicked, the result is locked and analyzed server-side.

5. Noise vs Clean Tone

Pink Noise (Default)

Contains equal energy per octave. Because it covers the entire spectrum, a boost in any frequency stands out as a change in the "texture" of the noise. This is the hardest and most effective way to train frequency identification.

Clean Tone / Sample

Useful for training in a musical context. It allows you to focus on how a boost changes the "timbre" of an instrument. We recommend starting with Noise to calibrate, then moving to Clean to apply the knowledge.

6. Flat, EQ, and The Analyzer

Training "blind" is the ultimate goal, but visual aids are available for learning.

  • Flat Mode: The reference. Pure, unadulterated audio.
  • EQ Mode: The challenge. The audio with the "problem" or "change" applied.
  • Spectrum Analyzer: A high-resolution RTA (Real Time Analyzer) that shows the frequency content.
    PRO TIP: Only use the analyzer to confirm what you've already heard. Closing your eyes while listening is the fastest way to progress.

7. My History & EAS Metrics

We use rigorous data to track your improvement.

What is saved in "My History"?
  • Ranked Runs: Every attempt in Ranked mode is logged permanently including accuracy and response time.
  • Session Totals: Your top scores for each module.
  • Note Finder Hits: Your accuracy percentage for pitch recognition.
  • Rank Progression: Your movement through the "EAS Leagues" (Bronze to Diamond).

What is NOT saved?
  • Practice Mode: Practice sessions are for your ears only. They do not affect your public rank or permanent EAS score.
  • Unfinished Runs: If you drop out of a Ranked run before finishing, the data is discarded to avoid polluting your stats.
The EAS Rank (Ear Accuracy Score)

Your EAS is a composite metric of Accuracy, Consistency, and Speed. A high EAS Rank on ReyMod is a legitimate credential for any audio professional.

Ready to calibrate?