Table 4 Speakers’ age estimation results
From: Reviewing the connection between speech and obstructive sleep apnea
Regression method | Mean absolute error (years) | Correlation coefficient (ρ) |
|---|---|---|
I-vector–WCCN–SVR [16] | 6.0 | 0.77b |
Supervector–SVR | 7.75 | 0.66a |
I-vector–SVR | 7.87 | 0.63a |