
DitDah Decoder - Morse Code CW
Ham Radio Morse Code Decoder
About
What's New in DitDah Decoder
2.0.0
August 4, 2026
Version 2.0 is the biggest decoder upgrade since DitDah Decoder launched. • All-new decoding engine: timing, spacing, and character patterns are now decided together probabilistically instead of by fixed thresholds — dramatically better accuracy on real-world signals, weak stations, and fading (QSB) • Auto Gain and Adaptive Threshold have been overhauled to work together automatically — the default settings now work best, with no manual tuning needed • Redesigned signal meter that shows the true signal level, noise floor, and the decoder's actual detection point • New Text Revisions mode: decoded text appears sooner, and the decoder may briefly refine the last few characters as more audio arrives — like predictive text (can be turned off) • Many bug fixes and stability improvements
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