The following samples show some of the available transformations.
Pitch-shift and formant move
One fifth up transposed version, without envelope preservation
Cross-synthesis, morphing and convolution
Original sample 6 (french horn)
Multiplicative cross-synthesis of samples 1 and 2 (50%)
Spectral flattening cross-synthesis of samples 3 and the voice used above (100%)
Spectral flattening cross-synthesis of samples 4 and the voice used above (100%)