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. Author manuscript; available in PMC: 2011 Nov 9.
Published in final edited form as: J Voice. 2008 Apr 14;23(3):283–290. doi: 10.1016/j.jvoice.2007.10.004

Figure 3.

Figure 3

Distributions of perturbation analysis in normal and esophageal voice signals. (a) Percent jitter; (b) Percent shimmer; (c) Signal-to-noise ratio (SNR); (d) Error count (err).