A Survey of Standardized Approaches towards the Quality of Experience Evaluation for Video Services: An ITU Perspective

Table 1

Performance target for different applications.

Application	Typical Data Rates	Performance Parameters and Target Values
		One-way Delay	Jitter	Packet Loss
Conversational Voice	4–64 kbps	<150 ms (preferred); <400 ms (limit)	<1 ms	<3%
Voice Messaging	4–32 kbps	<1 s (playback); <2 s (record)	<1 ms	<3%
Audio Streaming	16–128 kbps	<10 s	<1 ms	<1%
Videophone	16–384 kbps	<150 ms (preferred); <400 ms (limit)	-	<1%
Video Streaming	16–384 kbps	<10 s	-	<1%
Web Browsing and HTML	NA	<2 s	NA	Zero
E-commerce Services	NA	<2 s	NA	Zero
Interactive Games	NA	<200 ms	NA	Zero

NA: not applicable.