Figure 4From: Instrumental Estimation of E-Model Parameters for Wideband Speech CodecsRelationship between Ra-values derived from NB and WB signal-based models for Database 6, Test 3. (a) PESQ and WB-PESQ; (b) Modified PESQ and Modified WB-PESQ.PESQ and WB-PESQModified PESQ and Modified WB-PESQBack to article page