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Table 4 Average maximum values derived with different signal-based models for Databases 1–6, using different fitting functions, and corresponding root mean square errors .

From: Instrumental Estimation of E-Model Parameters for Wideband Speech Codecs

  WB-PESQ TOSQA-2001 Mod. WB-PESQ
Eq.
(6) 130.0 4.21 127.5 11.63 129.1 3.00
(7) 123.9 3.82 107.1 5.54 131.5 2.86
(8) 130.3 4.21 127.5 11.63 138.4 2.87