Multiengine Speech Processing Using SNR Estimator in Variable Noisy Environments

Table 3

Discrete-valued noise estimator classification results (%).

	Training env.
Test env.	Clean	30	20	10	0	−10
Clean	100.0	0.0	0.0	0.0	0.0	0.0
35	67.1	32.9	0.0	0.0	0.0	0.0
30	34.0	64.5	1.5	0.0	0.0	0.0
25	10.1	70.0	19.9	0.0	0.0	0.0
20	0.0	19.5	78	2.5	0.0	0.0
15	0.0	7.2	62.1	30.7	0.0	0.0
10	0.0	0.0	18.6	78.5	2.9	0.0
5	0.0	0.0	0.0	29.8	70.2	0.0
0	0.0	0.0	0.0	0.0	97.1	2.9
−5	0.0	0.0	0.0	0.0	2.9	97.1
−10	0.0	0.0	0.0	0.0	0.0	100