Table 1 Results for a simulated STNO neural network with N = 400 nodes.

From: Role of non-linear data processing on speech recognition task in the framework of reservoir computing

FilterTrainingTestingOverfitting
WSR (std)MSE (std)WSR (std)MSE (std)MSEtest/MSEtrain
Cochleagram100.0% (0.0%)0.0133 (1.1 · 10−4)99.6% (0.8%)0.0193 (2.3 · 10−3)1.451
MFCC99.8% (0.1%)0.0259 (1.1 · 10−4)99.2% (1.0%)0.0283 (8.2 · 10−4)1.093
\(\Re \)(Spectro)75.7% (0.6%)0.0708 (1.1 · 10−4)65.2% (4.2%)0.0738 (7.3 · 10−4)1.042
Spectro HP99.2% (0.2%)0.0362 (9.9 · 10−5)98.6% (1.9%)0.0384 (6.5 · 10−4)1.061