QoE Evaluation: The TRIANGLE Testbed Approach

Table 5

Reference values for interpolation.

Feature	Domain	KPI	Synthetic MOS Calculation	KPI_min	KPI_max
Non-Interactive Playback	AEC	Average power consumption	Type I	10 W	0.8 W
Non-Interactive Playback	AUE	Time to load first media frame	Type II	KPI_worst=20 ms
Non-Interactive Playback	AUE	Playback cut-off ratio	Type I	50%	0
Non-Interactive Playback	AUE	Video resolution	Type I	240p	720p
Non-Interactive Playback	RES	Average CPU usage	Type I	100%	16%
Non-Interactive Playback	RES	Average memory usage	Type I	100%	40%
Play and Pause	AEC	Average power consumption	Type I	10 W	0.8 W
Play and Pause	AUE	Pause operation success rate	Type I	50%	100%
Play and Pause	RES	Average CPU usage	Type I	100%	16%
Play and Pause	RES	Average memory usage	Type I	100%	40%