Mobile Phone-Based Audio Announcement Detection and Recognition for People with Hearing Impairment

Table 3

Results of audio announcement recognition.

	The first dataset (training data from 4 banks and test data from the fifth one)		The second dataset (training and test data both from 5 banks)
	CER (%)	SER (%)	CER (%)	SER (%)
Mono-phone	4.11	34.09	5.12	33.33
Tri-phone	5.41	40.15	5.41	40.40
Baidu	85.54	100.00	73.79	100.00
iFLYTEK	54.67	98.34	38.86	95.41
Unisound	95.10	100.00	88.93	100.00