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Complexity
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2021
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Article
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Tab 2
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Research Article
Articulatory-to-Acoustic Conversion of Mandarin Emotional Speech Based on PSO-LSSVM
Table 2
Comparison of RMSE in articulatory-to-acoustic conversion based on GMM, LSSVM, and PSO-LSSVM (Hz).
Acoustic feature
Emotion type
Number of samples in the test set
GMM
LSSVM
PSO-LSSVM
F2
Anger
29
32
28
23
Happiness
32
31
26
22
Neutral
28
43
35
26
Sadness
23
42
33
31
Average
36.52
30.20
25.10