AET Quiz
Audio Engineering Practice
Free
Sharpen your audio engineering skills — random quiz questions from Ohm's Law to RT60, with instant formula explanations after every answer.
A quiz app for practicing audio engineering calculations with randomly generated questions. No login, no ads, no tracking — works completely offline.
■ Electrical
· Ohm's Law (current/voltage) questions
· Power (P=V×I) questions
· dB ↔ power ratio conversion questions
· Speaker impedance (series/parallel) questions
■ Delay
· Speed of sound by temperature questions
· Distance ↔ time delay questions
· BPM-based note length questions
· Haas effect (precedence effect) zone questions
· Multi-zone speaker delay (with precedence offset) questions
■ Acoustics
· Wavelength (λ) questions
· Period questions
· RT60 reverberation time questions
· SPL falloff by distance questions
■ Tempo & Pitch
· Playback speed ↔ pitch (semitone) conversion questions
· Loop BPM questions
· Buffer size / sample rate latency questions
■ Mixed
· Combined questions from all four categories above
Choose 5, 10, 15, or 20 questions per round — a fresh set of random questions every time. Each answer comes with an instant explanation showing the formula, and you can track your round progress, hit count, and accuracy in real time.
Available in Korean, English, Japanese, Spanish, and Simplified Chinese. Runs on iPhone, iPad and Mac
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The developer, HYO SEOP LEE, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- HYO SEOP LEE
- Size
- 590.8 KB
- Category
- Music
- Compatibility
Requires iOS 26.5 or later.
- iPhone
Requires iOS 26.5 or later. - iPad
Requires iPadOS 26.5 or later. - Mac
Requires macOS 26.5 or later.
- iPhone
- Languages
English and 4 more
- English, Japanese, Korean, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Copyright
- © 2026 이효섭