Ear training for sound engineers, producers, and musicians

Train your ears.
Hear the difference.

SonicSandbox incldues both types of ear training. Ear training for audio processing (EQ, compression, dynamics, reverb, saturation, delay, spatial perception) and ear training for music theory (chord, interval, scales, and progressions).

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12 audio processing games  ·  6 music theory games  ·  EQ  ·  Dynamics  ·  Space  ·  Time  ·  Theory

EQ Match

60 120 500 1k 4k 10k 20k +12 0 -12 Your curve Target Score: 74%

Drag bands to match the hidden curve by ear

Audio Processing

Begin with these games

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Freq Quiz
A frequency is boosted or cut. Identify it from 9 choices — fast rounds, immediate feedback.
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Level Logic
Hear a gain change and identify whether it was boosted or cut — and by how much.
Play →
Spatial Specialist
Identify panning position and stereo width. Two modes — pan and width.
Play →

Progression Detection

KEY: C MAJOR I C MAJOR V G MAJOR vi A MINOR IV F MAJOR I – V – vi – IV ✓

Identify the Roman numeral progression by ear

Learn

Understand the tools
you're training with.

Short, focused guides on compression, EQ, reverb, and more — written for producers and engineers who want the theory behind the ear training.

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Music Theory

Begin with these games

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Scale Quiz
An ascending scale plays in a random key. Identify the type — major, natural minor, pentatonic, modes, blues, and more.
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Chord Quiz
A chord plays in a random key. Identify the type — major, minor, dominant 7th, diminished, augmented, and more.
Play →
Interval Master
Two notes play in sequence or together. Identify the interval — minor 2nd, perfect 5th, major 7th, and more.
Play →

Track Your Progress

See how you're
improving over time.

Create a free account to track your daily rounds, streak, and stats across all games — audio processing and music theory.

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Compressor

−36 −18 0 −36 −18 0 INPUT (dB) threshold −18 dB PARAMETERS THRESHOLD −18 dB RATIO 3:1 ATTACK 20 ms RELEASE 120 ms GAIN REDUCTION −6.0 dB Score: 71 / 100

Match threshold, ratio, attack, and release by ear