Chapter 19-Collaboration Server Administration and Utilities
Polycom, Inc. 19-7

AVC Conferencing - Continuous Presence

Video resources usage varies according to the video resolution used by the endpoints. The

higher the video resolution (quality), the greater the amount of video resources consumed

by the MCU. Table 19-7 shows the number of video resources used for each resolution.

Table 19-5 CP Video Resource Usage vs. Resolution
Resolution/fps HD Video Resources Used
CIF/30
1/3 QCIF/30
SIF/30
WCIF/25
1/3
WSIF/30
432X336/30
SD/15
WSD/15
4CIF/15 1/3
WSD/30
2/3
4CIF/30
4SIF/30
WVGA/30
WVGA/25
480X352/30
SD/30
WSD/60
HD720p/30
Table 19-6 HD Video Resource Usage vs. Resolution
Resolution/fps HD Video Resources Used
H.261 CIF 30fps 2/3
H.263 CIF 30fps 1/3
H.263 4CIF 30fps 1/3
H.264 CIF 30fps 1/3
H.264 CIF 60fps 1/3
H.264 4CIF 30fps 1/3
H.264 4CIF 60fps 1/3