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. Author manuscript; available in PMC: 2012 Nov 27.
Published in final edited form as: J Acoust Soc Am. 1989 Aug;86(2):566–581. doi: 10.1121/1.398236

TABLE II.

MRT overall error rates and error rates for consonants in initial and final position.

Error rate (in percent)
System Initial Final Overall
Natural speech 0.50 0.56 0.53
DECtalk 1.8, Paul 1.56 4.94 3.25
DECtalk 1.8, Betty 3.39 7.89 5.72
MITalk-79 4.61 9.39 7.00
Prose 3.0 7.11 4.33 5.72
Amiga 13.89 10.61 12.25
Infovox SA 101 10.00 15.00 12.50
TSI-Proto 1 10.78 24.72 17.75
Smoothtalker 26.83 27.61 27.22
Votrax Type’n’Talk 32.56 22.33 27.44
Echo 35.56 35.56 35.56