Table 4.

Experimental results of dialect ID recognition.

Model	Recognition Accuracy(%)
	Chinese Test Data			Tibetan Test Data
	Mandarin	Cantonese	Hokkien	Ü-Tsang	Amdo	Kham
Hard-MTL Transformer	99.73	99.19	98.21	99.38	99.58	99.32
Soft-MTL Transformer	99.93	99.71	97.87	99.73	99.86	96.62
Adaptive Soft-MTL Transformer	99.73	99.34	97.31	99.85	99.91	100.00