text ↔ morse. play it aloud. dot is 1 unit, dash is 3.
speed15 wpm
pitch700Hz
reference · international morse code
developed by samuel morse & alfred vail (1830s–40s) for the telegraph. international morse (ITU) standardized 1865.
standard timing: dot = 1 unit · dash = 3 · intra-letter gap = 1 · inter-letter gap = 3 · word gap = 7.
WPM is calculated by PARIS standard (the word PARIS = 50 units). audio uses Web Audio API, 100% client side.