International Morse alphabet
9 in Morse code
Hear the rhythm as long, long, long, long, short.
----.dah dah dah dah dit
30 second sound drill
Listen to the complete rhythm. Do not count its parts.
Ready
Hear 9 as one sound
At 20 WPM, the elements join into a recognizable audio shape. Farnsworth spacing leaves time after the complete character without changing that shape.