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EURASIP Journal on Audio, Speech, and Music Processing
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Table 2 Average recognition results [%] of commonly used features subsets: acted speech (
AS
) and natural speech (
NS
)
From:
Efficiency of chosen speech descriptors in relation to emotion recognition
Feature set
k
-NN AS
k
-NN NS
SVM AS
SVM NS
f
0
31.6
39.8
19.66
26.98
f
1
−
f
3
38.8
39.5
16.88
27.5
Energy
30.4
47
29.95
46.87
LPC
36.7
57.8
29.91
60.51
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