Polycom RealPresence 800s Administrator's Manual page 141

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Polycom, Inc.
HD720p30 resolution is supported at bit rates greater than 600 kbps. The following table
summarizes the resolutions supported at the various bit rates.
Table 4-3 RTV - Resolution by Bit Rate
Resolution
QCIF
CIF30
VGA (SD30)
HD720p30
*
Dependant on the PC's capability
System Resource usage is the same as for the H.264 protocol. Table 4-4 summarizes
System Resource usage for each of the supported resolutions.
Table 4-4 RTV - Resources by Resolution
Resolution
QCIF / CIF30
VGA (SD30) / W4CIF
HD720p30
Chapter 4-Video Protocols and Resolution Configuration for CP Conferencing
Bitrate <180kbps
180kbps < Bitrate < 250kbps
250kbps < Bitrate < 600kbps *
HD Video Resources Used
Bitrate
600kbps < Bitrate *
0.333
0.5
1
4-11