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

Table 9

Application areas, test factors, and technology used by the ITU-T P.1201.1 model.

Type	Description
Application intended	In-service monitoring of audio, video and audio-visual streaming quality
Transport protocol	UDP
Model input (primary)	Packet header information (PCAP files)
Model input (out-of-band)	Codec related factors like bit-rate, frame rate, GOP structure, resolution, etc.
Input video bit-rate range	40–6000 kbps
Input packet loss type	Random and bursty
Input packet loss range	0–10% (random loss); 0–10% (4-state Markov model-bursty loss)
Input frame rate	5–30 fps
Input video resolution	HVGA, QVGA and QCIF
Video codecs	MPEG4 Part 2, H.264 (MPEG4 Part 10)