| 特征向量 | 特征向量的平均变化率 | |||
| 案例1 | 案例2 | |||
| 轻度疲劳：清醒 | 深度疲劳：轻度疲劳 | 轻度疲劳：清醒 | 深度疲劳：轻度疲劳 | |
| 短期平均能量-E | 7.30% | 36.90% | 7.70% | 37.93% |
| 平均振幅-M | 5.00% | 28.14% | 4.48% | 21.4% |
| 平均过零率-Z | 7.25% | 3.12% | 6.25% | 4.17% |
| 平均语音速率-S | 3.33% | 6.00% | 5.00% | 7.00% |
| 反应时间-R | 8.33% | 2.66% | 5.16% | 5.90% |
| MFCC | 3.33% | 6.45% | 4.02% | 9.30% |
| 基音-P | 0.86% | 0.76% | 1.20% | 0.82% |