From: Non-parallel dictionary learning for voice conversion using non-negative Tucker decomposition
 | Male-to-female | Female-to-male | Male-to-male | Female-to-female | Mean | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
 | M1\(\rightarrow \)F1 | M2\(\rightarrow \)F2 | M3\(\rightarrow \)F3 | F1\(\rightarrow \)M1 | F2\(\rightarrow \)M2 | F3\(\rightarrow \)M3 | M1\(\rightarrow \)M3 | M3\(\rightarrow \)M2 | F1\(\rightarrow \)F3 | F3\(\rightarrow \)F2 |  |
ARBM | 6.52 | 6.69 | 6.27 | 6.48 | 6.76 | 6.62 | 6.98 | 7.04 | 6.37 | 6.21 | 6.59 ± 0.03 |
NTD | 6.75 | 7.30 | 6.56 | 6.75 | 7.04 | 6.99 | 6.85 | 7.04 | 6.64 | 6.03 | 6.67 ± 0.04 |