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Table 13 Statistics of bit rates per syllable of the proposed approach and the baselines with various logF0 codebooks for the SI 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
 SI-HPM 27 22.62 18.08 0.37 0.46 24.33/21.69 20.07/16.84
 SI-BSL-10 23 18.40 17.61 0.21 0.32 19.15/17.63 19.00/16.64
 SI-BSL-16 23 18.97 18.16 0.21 0.34 19.74/18.20 19.67/17.03
 SI-BSL-32 24 19.67 19.00 0.21 0.37 20.43/18.91 20.44/17.99
 SI-BSL-64 25 20.55 19.84 0.21 0.39 21.30/19.77 21.50/18.68
 SI-BSL-128 26 21.51 20.61 0.21 0.38 22.22/20.71 22.67/19.53
 SI-BSL-256 27 22.50 21.15 0.21 0.35 23.20/21.68 23.00/20.10
(b) Outside
 SI-HPM 27 22.87 18.94 0.35 0.44 23.98/22.04 20.32/17.82
 SI-BSL-10 23 18.58 18.11 0.18 0.33 19.13/18.07 19.09/17.31
 SI-BSL-16 23 19.13 18.67 0.18 0.34 19.66/18.60 19.95/17.94
 SI-BSL-32 24 20.07 19.54 0.19 0.40 20.65/19.57 20.73/18.45
 SI-BSL-64 25 20.85 20.60 0.18 0.60 21.40/20.34 23.40/19.26
 SI-BSL-128 26 21.95 23.17 0.19 1.70 22.51/21.40 29.80/20.46
 SI-BSL-256 27 22.80 35.23 0.18 6.64 23.33/22.26 61.12/23.55