Table 2 The performances for the perceived intensity classifiers using various feature sets.
From: Analytical Features: A Knowledge-Based Approach to Audio Feature Generation
Method | Correlation | Model error |
|---|---|---|
Random (mean value for all titles) | 0.18 | 21% |
Best MPEG7 feature [(SpectralSkewness (x)] | 0.56 | 16.9%  ± 1.5% |
MPEG7 feature combination 21 features selected | 0.87 | 12.1%  ± 1.9% |
Best EDS feature [Sqrt(Min(Sum(FFT(Split(x, 1 sec)] | 0.68 | 14.5%  ± 1.8% |
EDS + MPEG7 combination 18 features selected | 0.89 | 11.3%  ± 1.8% |