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Table 2 Subjective comparison of parallel VC (GMM) and non-parallel VC (SATBM) using the 5-scale tests in terms of speech quality and speaker specificity

From: Speaker-adaptive-trainable Boltzmann machine and its application to non-parallel voice conversion

 

Speech quality

Speaker specificity

GMM

3.37

3.66

SATBM

2.11

1.91