PageAddPAGEADD SIGNAL LAB / 01
Let your words
shine.
A word becomes dots and dashes. Then, a little light.
LIGHT IS A LANGUAGEKorean · English A–Z · numbers · basic punctuation
If flashing light bothers you, use the code below without playing.
Ready
Screen light · not the camera flashlight
Esc to stop · stops when you leave the page
Short dots. Long dashes.
Dot 1 beat · dash 3 / gaps: 1 between signals, 3 between letters, 7 between words
Korean is expanded into jamo; doubled consonants and compound jamo are split. Korean and English use different code tables; no language-switch signals are added. / marks a word gap.
Code chart & how it works
Typing converts instantly. Play highlights the current character. Changing text or speed stops playback. Enlarge opens a larger player within the page.
For learning and play. This does not contact rescuers or confirm receipt. Browser and device conditions can affect timing. Your message is not saved to a server.
Code & timing: ITU-R M.1677 (English) · Korean jamo reference (Table 1)
Photo: Michael Krahn / Unsplash