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. Author manuscript; available in PMC: 2011 Oct 6.
Published in final edited form as: J Speech Lang Hear Res. 2010 Dec 20;54(4):1022–1038. doi: 10.1044/1092-4388(2010/10-0105)

Table 1.

Curve fitting reliability
Parameter Mean Standard Deviation
Amplitude (mm)
       LU 2.49 0.03
       LL 1.89 0.02
       RU 1.57 0.01
       RL 1.76 0.03
Vertical Phase Difference (radians)
      LU-LL 0.35 0.05
      RU-RL 0.16 0.06
Lateral Phase Difference (radians)
      RU-LU 3.11 0.02
      RL-LL 2.95 0.05
Frequency (Hz)
       LU 364.07 0.66
       LL 363.93 0.65
       RU 365.82 0.67
       RL 363.00 0.62

Mean and standard deviation of amplitude, vertical phase difference, lateral phase difference, and frequency from twenty trials of manual plotting of the kymographic glottal edge and curve fitting of the same five cycles of vibration at the same line scan position in the same larynx