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. Author manuscript; available in PMC: 2016 Mar 9.
Published in final edited form as: IEEE/ACM Trans Audio Speech Lang Process. 2015 Jan 14;23(1):92–101. doi: 10.1109/TASLP.2014.2372314

Table V.

WER on the development set (si_dt_05) of the CHiME-2 corpus using additional features

System si_dt_05
−6 dB −3 dB 0 dB 3 dB 6 dB 9 dB Average
NMS + SNE 43.2 34.0 29.1 25.0 21.7 19.0 28.7
Masked NMS + SNE 38.8 30.9 26.8 22.8 20.3 18.4 26.3
NMS + DNE 42.1 33.8 28.5 24.7 21.5 19.1 28.3
Masked NMS + DNE 38.3 30.3 26.5 22.7 20.1 18.4 26.0
NMS + DNE + SE 40.3 33.0 27.4 23.1 21.0 18.2 27.2
Masked NMS + DNE + SE 38.3 31.0 26.5 22.4 19.7 17.8 25.9
NMS + fIRM 39.6 31.7 26.7 22.5 19.9 17.5 26.3
Masked NMS + fIRM 37.9 29.9 25.2 21.9 19.4 17.2 25.2
NMS + fIRM + DNE + SE 40.7 32.9 27.3 23.2 20.2 18.1 27.0
Masked NMS + fIRM + DNE + SE 37.9 29.9 25.2 21.6 19.1 17.5 25.2