Tone: Unsigned: F0, F0 - 50, F0 - 70, F0 - 80, grave accent: F0, F0 - 55, F0 - 76, F0 - 90, acute accent: F0 - 70, F0 - 90, F0 + 60, question accent: F0, F0 - 95, F0 - 105, F0 - 120, F0 - 90, F0 - 80, F0 + 30, fall accent: F0, F0 - 70, F0 + 30, F0 +50, heavy accent: F0, F0 - 110, F0-130, F0-150