From: Reducing over-smoothness in HMM-based speech synthesis using exemplar-based voice conversion
 | Average standard deviation of spectral magnitude (dB) | Mel-cepstral distortion (MCD) (dB) |
---|---|---|
HMMSS | 4.26 | 6.38 |
HMMSS + GV | 7.43 | 4.76 |
HMMSS + VC | 7.96 | 4.31 |
HMMSS + GV + VC | 7.55 | 4.62 |