Table 4.
Summary of acoustic features used in sound classification.
| Acoustic Features | Features Set | References |
|---|---|---|
| Cepstral features | Mel-Frequency Cepstral Coefficients (MFCC) | [11,12,13,15,17,24,27,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67] |
| Linear Prediction Coefficients (LPC) | [24,61,63,68] | |
| Linear Predictive Cepstral Coefficients (LPCC) | [63,68] | |
| Log Frequency Cepstral Coefficients (LFCC) | [68] | |
| Gammatone Frequency Cepstral Coefficients (GFCC) | [61] | |
| Perceptual Linear Prediction Coefficients (PLP) | [24] | |
| Spectral features | Spectral centroid | [27,44,62,63,65,66] |
| Spectral roll-off | [17,27,44,63,65,66] | |
| Spectral flux | [44,63,65,66] | |
| Mel spectrum | [48,49,52,53,60] | |
| Spectral moments | [17] | |
| Spectral slope | [17] | |
| Spectral decrease | [17] | |
| Modulation spectral features | [70] | |
| Spectrogram | [71] | |
| Energy features | Short Time Energy (STE) | [44,62,63,65,66] |
| Discrete Wavelet Transform Coefficients (DWTC) | [27] | |
| Temporal feature | Zero Crossing Rate (ZCR) | [15,17,27,44,62,63,65,66,68] |