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Table 11 Statistics of bits per syllable of the proposed approach and the baselines with various logF0 codebooks for the SD speech coding case

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

  Bits per syllable
Average Standard deviation Maximum/Minimum
NC M0 M1 M0 M1 M0 M1
(a) Inside
 SD-HPM 27 23.23 20.65 0.30 0.38 24.23/22.57 22.09/19.59
 SD-BSL-24 25 20.95 20.12 0.20 0.32 21.84/20.44 21.21/19.16
 SD-BSL-32 25 21.29 20.45 0.20 0.32 22.14/20.73 21.52/19.35
 SD-BSL-64 26 22.31 21.20 0.20 0.31 23.20/21.81 22.14/20.24
 SD-BSL-128 27 23.09 21.83 0.20 0.32 23.96/22.54 22.71/20.78
 SD-BSL-256 28 24.10 22.12 0.20 0.32 24.95/23.55 22.93/21.14
(b) outside
 SD-HPM 27 23.04 21.42 0.29 0.39 23.72/22.45 22.31/20.48
 SD-BSL-24 25 21.31 21.01 0.19 0.34 21.96/21.02 21.62/20.19
 SD-BSL-32 25 21.59 21.38 0.20 0.37 22.25/21.26 22.05/20.35
 SD-BSL-64 26 22.65 22.72 0.21 0.56 23.37/22.34 23.82/21.48
 SD-BSL-128 27 23.59 27.70 0.19 1.61 24.29/23.28 31.69/24.63
 SD-BSL-256 28 24.64 54.37 0.21 6.60 25.37/24.31 67.40/41.36