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Upper panels: Scores as a function of the pitch related metric found by FDA on vocoder channel mean levels for vowels processed in the Q12 condition, fc=50 Hz. The upward triangles represent sequences with F0(2)=100 Hz, squares for F0(2)=155 Hz, and downward triangles for F0(2)=240 Hz. The coefficients of the linear combination used as a metric are represented in the lower subpanel. Lower panels: Same representation for the Q12 condition, fc=400 Hz.
