How to Use the Morse Code Audio Ear Trainer
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1
Choose practice mode: Alphabet, Numbers, or Random Words.
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2
Set speed: 10 WPM (Beginner), 15 WPM (Intermediate), or 25 WPM (Pro).
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3
Listen to the acoustic beep, guess the character, and receive instant feedback.
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4
Track your accuracy score and streak in real time.
Practical Example & Use Case
Common Real-World Scenario
Ham radio operators and amateur enthusiasts training their ear for rapid Morse code reception.
Technical Notes & Limitations
Browser Engine Architecture
Generates pure 700 Hz acoustic CW sidetone sine waves via browser Web Audio API.
Frequently Asked Questions
What frequency is standard for Morse practice?
Most operators prefer a tone between 600 Hz and 750 Hz, which this tool provides.