378361.fig.008a
(a) Natural palatal click echo spectrum of a chestnut veneer from a distance of 20 cm
378361.fig.008b
(b) Natural palatal click echo spectrum of a cherry veneer from a distance of 20 cm
378361.fig.008c
(c) Natural palatal click echo spectrum of a maple veneer from a distance of 20 cm
Figure 8: Frequency spectra of echoes from natural palatal clicks from different wood veneers.