Table 8 Features after subset selection SFS and FMS for both corpora: acted AS and natural NS speech
From: Efficiency of chosen speech descriptors in relation to emotion recognition
AS k-NN SFS | AS SVM SFS | AS FMS | NS k-NN SFS | NS SVM SFS | NS FMS | |
|---|---|---|---|---|---|---|
f 0 | Mean; quartile: 1, 3; median; interquartile; skewness; variation rate | Mean; median; std; range; interquartile; kurtosis; variation rate; rising and falling slope mean | Mean; max; min; quartile: 1, 3; interquartile; kurtosis; median; range; rising range max/mean; falling range max/min; std; rising slope max/min; | Mean; median; max; range; quartile: 1, 3; interquartile; kurtosis; skewness; variation rate | Mean; median; range | Max; mean; std; median, range; quartile: 1, 3; interquartile; rising range max/mean; falling range mean |
f 1−f 3 | Mean: 1, 2; max: 1, 3; median: 2; min: 2, 3; std: 3 | Mean: 1; max: 1 | Mean: 2, 3; max: 2, 3; min: 2, 3; median: 2, 3 | Mean: 1, 2; max: 2; median: 1, 2; min: 3; std: 3 | Mean: 1; max: 1 | Mean: 3; max: 1, 2, 3; median: 2, 3; min: 2, 3; std: 1 |
En | Mean, median, std | Max, min, range | Median, std | Max, min, median, std, range | Max, min, median, std, range | Max, mean, std, range |
LPC | Mean: 2–11 | Mean: 5, 6, 7, 12 | Mean/median /max/min: 3–5; | Mean: 2, 3, 4, 7, 9; median: 2 | Mean: 2, 4, 5, 7; median: 7 | Mean/median /max/min: 3–5; |
BFCC | Mean: 1, 6, 10; median: 1, 6; max: 1; min: 1, 6 | Median: 1, 3; max: 1, 3, 4; min: 1, 6, 8 | Mean: 1, 3, 5, 6; median: 1, 5, 6, 7; min: 1, 2, 4, 3, 5, 6, 7, 8 | Mean: 1, 4, 5, 6, 7, 8, 9, 11, 12; median: 1, 2, 3, 4, 5, 8; std: 1; max: 1, 4, 12; min: 2 | Mean: 7; median: 2, 3, 5; std: 1, 2, 3, 4, 5; max: 1, 4, 5, 6, 10, 12; min: 1, 3, 4, 5, 6, 10 | Mean: 1, 4, 5, 6; median: 1, 2, 4, 3, 5, 7; max: 1, 2, 3, 4, 5, 6, 7, 8; min: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 |
MFCC | Mean: 1, 6, 10, 11, 12; std: 12; median: 1, 6; max: 1, 7; min:1 | Mean:1; max: 1, 11, 12; min: 8, 10, 12 | Mean: 1; std: 1; median: 1; max: 1, 4, 11, 12, 14; min: 1, 5, 6, 7, 8, 9, 10, 11 | Mean: 1, 2, 3, 4, 6, 9, 10; std: 1, 7, 11, 12; median: 3, 4, 7; max: 1, 2, 4, 5; min: 1, 3, 5, 8, 12 | Mean: 2, 4, 7; median: 2, 3, 4; max: 1, 4, 5, 6, 7, 10; min: 1, 2, 3, 6, 7, 8 | Mean: 1, 4; std: 1; median: 1; max: 1, 4, 5, 6, 7; min: 3, 8, 9 |
HFCC | Mean: 1, 2, 3; std: 1; median: 1, 3, 4, 9; max: 2 | Mean: 2, 3; median: 3, 9; max: 3; min: 11 | Mean: 1; median: 1, 3; max: 1, 2, 3, 4, 5, 6, 7; min: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 | Mean: 1, 3, 4, 6, 7, 9, 10; std: 2, 3, 11; median: 1, 2, 3, 4, 6, 8; max: 1, 2, 3, 5, 7; min: 8 | Mean: 3; median: 1, 3; max: 1, 2, 3, 4, 10; min: 1, 3, 5, 8, 11 | Mean: 1, 2; std: 1; median: 1, 2; max: 1, 2; min: 1, 3 |
PLP | Mean: 5, 6, 7, 8; median: 6, 10, 11; std: 3, 4, 5, 6, 7, 9; max: 8; min: 8 | Mean: 6 | Mean: 5, 6, 7, 8, 11; median: 5, 6, 7; max: 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 | Mean: 4, 5, 9, 13; median: 8, 10, 11, 12, 13; std: 3, 7, 12; max: 6, 12, 13; min: 1, 2, 4, 6, 9, 10, 11, 12 | Mean: 1; max: 7 | Mean: 5, 13, 14; median: 6, 14; std: 3, 7, 9; max: 7, 8, 9, 10, 13 |
RPLP | Mean: 1, 2, 3, 7; median: 4, 8; std: 2, 5, 6, 13; max: 2, 4, 9; min: 1 | Mean: 1; max: 2, 8, 13; min: 8 | Mean: 1, 2, 3, 6, 7; median: 1, 2, 3, 6, 7; std: 1; max: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10; min: 2, 3, 6, 7, 8, 9 | Mean: 1, 2, 5, 14; median: 1, 2, 3, 5, 6, 7, 9, 14; std: 1, 2, 4, 5, 10, 11, 14; max: 1, 4, 6; min: 1, 2, 3, 11, 13 | Mean: 1, 3, 4; median: 2, 5; std: 8; max: 2, 8, 9, 10, 13; min: 1, 2, 3, 6 | Mean: 1, 2; median: 2, 3; std: 2; max: 3; min: 6, 8 |
RASTA PLP | Mean: 1, 2, 4, 6, 9; median: 2, 3, 5, 6; std: 1, 2, 3, 9, 10; max: 1; min: 2, 4, 7 | std: 4; max: 1, 10; min: 1, 3, 5, 8 | Max: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12; std: 1; min: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 | Mean: 4, 9; median: 2, 3, 5, 8; std: 1, 3, 5, 10; max: 6, 9; min: 1, 2, 3, 4, 7 | Max: 1, 3, 4, 7; min: 1, 3, 8, 10 | std: 1; max: 1, 4, 5, 6; min: 1, 2, 3, 4, 5, 6 |