Table 2. ASR results for the rainbow passage (19 sentences)

Data	Audio from	WER (Mean)	WER (SD)
SynE	Synthesized	0.0 (0.017)	0.032
SynK	Synthesized	0.7 (0.744)	0.314
HumE	Human	0.0 (0.024)	0.036

ASR, automated speech recognition; WER, word error rate; SynE, synthesized English speech; SynK, synthesized Korean accented speech; HumE, native English speech.