Table 4: The Euclidean distance between the three clusters.

SNR (dB)−505101520

Cluster 1
Noise-onlyNoise-onlyNoise-onlyNoise-onlyNoise-onlyNoise-only

Clusters 2 and 3
Noisy speech8.512.715.919.122.825.5
Speech-only5.49.912.917.221.324.3

Error3.12.83.01.91.51.2