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Morse code microphone decoder
Decode Morse code audio through your microphone, tune the signal controls, and turn clean dot-and-dash tone patterns into plain text directly in the browser.
Microphone decoder
Real-time Morse code audio detection
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Adjust frequency and threshold to fit your radio, speaker, or practice tone.
The page updates the detected Morse stream and translated text continuously.
How to decode Morse code audio cleanly
- Use headphones if your device is playing Morse audio while listening.
- Reduce background noise to lower false positives.
- Start around 600-700 Hz and 10-15 WPM if you are testing with standard practice tones.
Need a signal source first? Use the translator page to generate Morse playback, or keep the Morse code alphabet chart open while checking unfamiliar patterns.