QoE Evaluation: The TRIANGLE Testbed Approach

Table 3

AUE/CS/002 test case description.

Identifier	AUE/CS/002 (App User Experience/Content Streaming/002)
Title	Play and pause
Objective	Measure the ability of the AUT to pause and the resume a media file.
Applicability	(ICSG_ProductType = Application) AND (ICSG_UseCases includes CS) AND ICSA_CSPause
Initial Conditions	AUT in in [AUT_STARTED] mode. (Note: Defined in D2.2 [11] Appendix 4)
Steps	(1)	The Test System commands the AUT to replay the Application User Flow (Application User Flow that
		presses first the Play button and later the Pause button).
	(2)	The Test System measures whether pause operation was successful or not.
Postamble	(i)	Execute the Postamble sequence (see section 2.6 in D2.2 [11] Appendix 4)
Measurements (Raw)	(i)	Playback Cut-off: Probability that successfully started stream reproduction is ended by a cause other than
		the intentional termination by the user.
	(ii)	Pause Operation: Whether pause operation is successful or not.
	(iii)	Time to load first media frame (s) after resuming: The time elapsed since the user clicks resume button
		until the media reproduction starts.; (Note: For Exoplayer the RESUME button is the PLAY button)