少
sukoshi.net
群伝搬時間
ぐんでんぱんじかん
group delay (in fibre optics, fiber optics)
Audio Pitch Contour
Generating pitch curve...
Record & Compare
300
150
Click the microphone to start recording
Pitch Accent Practice: 群伝搬時間 (ぐんでんぱんじかん) | sukoshi.net