Table 4 Overall evaluation of voice anonymization methods using ASR, and DNSMOS.

From: Privacy-aware speaker trait and multimodal features relationship analysis in job interviews

System

Metric

Original

MAC

PVT

NAC

ASR

WER (%) (\(\downarrow\))

0.00

5.64 ± 0.11

8.24 ± 4.24

18.85 ± 11.57

DNSMOS

SIG (\(\uparrow\))

3.29 ± 0.28

2.92 ± 0.51

3.13 ± 0.28

3.17 ± 0.40

BAK (\(\uparrow\))

3.54 ± 0.40

3.17 ± 0.56

3.38 ± 0.40

3.70 ± 0.47

OVR (\(\uparrow\))

2.81 ± 0.32

2.43 ± 0.44

2.61 ± 0.30

2.79 ± 0.41

  1. Arrows indicate the direction of improvement: \(\uparrow\) (higher is better), \(\downarrow\) (lower is better).
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