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Table 9 The statistics of the scores (mean ± 1 standard deviation) rated in the SI and SD MUSHRA tests with the vocode natural speech (NAT), the proposed approach with correct prosodic-acoustic features (CPRO), the proposed approach (HPM), and the baseline system (BSL) with similar RMSE to the proposed approach

From: A parametric prosody coding approach for Mandarin speech using a hierarchical prosodic model

 

BSL

HPM

CPRO

NAT

SD

50.1 ± 22.0

74.5 ± 18.8

78.7 ± 16.5

94.9 ± 9.9

SI

48.3 ± 21.5

74.1 ± 17.4

72.2 ± 18.3

95.8 ± 10.4