From: Using affective brain-computer interfaces to characterize human influential factors for speech quality-of-experience perception modelling
Type
System
Sentence group
Male sets
Female sets
Duration range (s)
Natural
1
A
0
4
17–19
2
18–23
3
B
13–14
Synthesized
5
19–24
6
17–22
7
17–20
8
18–25
9
10
17–21
11
13–17