Skip to main content

Table 2 Description of the audio and quality levels used for the audiovisual experiments

From: Audiovisual quality integration for interactive communications

Video quality levels

Exp. 1

Exp. 2

Audio quality levels

Exp. 1

Exp. 2

Lv1

2 at 5%

x

x

La1

NB at 20%

x

x

Lv2

0.4 at 3%

x

x

La2

WB at 20%

x

x

Lv3

2 at 0.5%

x

-

La3

NB at 4%

x

-

Lv4

0.4 at 0%

x

-

La4

NB at 0%

x

x

Lv5

0.77 at 0.5%

x

-

La5

WB at 7%

x

-

Lv6

0.77 at 0%

x

x

La6

WB at 3%

x

x

Lv7

2 at 0%

x

x

La7

WB at 0%

x

x