Table 5.

A result analysis of APED Based on ASR.

Canonical Phone in the Reference Transcription	p	p	p	p	p	p
Phone Recognized by ASR	p	p	q	q			p	p
Result analysis of ASR	C	C	S	S	D	D	I	I
Marked by expert	T	F	T	F	T	F		F
Result analysis of APED	TA	FA	FR	TR	FR	TR	FR	TR

Note: the phones, marked p and q in this table, refer to two different phones in the phone set. The result analysis of ASR includes four cases: C (correct), S (substitution error), D (deletion error) and I (insertion error). The result marked by experts includes two cases: T (correct pronunciation) and F (pronunciation error). Result analysis of APED includes four cases: TA (true acceptance) and FR (false rejection), FA (false acceptance) and TR (true rejection).