From: YouTube QoE evaluation tool for Android wireless terminals
L ti
T init
L rf
f rebuf
L tr
T rebuf
1
0 to 1 s
0 to 0.02
0 to 5 s
2
1 to 5 s
0.02 to 0.15
5 to 10 s
3
>5 s
> 0.15
>10 s