Administrator’s Guide for Polycom HDX Systems
C–4 Polycom, Inc.
Call Speeds and Resolutions
The following illustrations show the resolution and frame rate sent in a call,
depending on the speed of the call and the Video Quality setting on your
system.
The values for sharpness and motion are the same from 2MB to 6MB for
systems that support higher call speeds.
SD Systems (NTSC)
The following illustration shows the resolutions for People video on these
Polycom HDX systems (NTSC):
• Polycom HDX 9001
• Polycom HDX 7000
• Polycom HDX 4000
The numbers shown in this section are for NTSC values, but PAL values are
similar—for example, 2SIF 352x480 for NTSC relates to 2CIF 352x576 for PAL.
4SIF
704x480
2SIF
352x480
SIF
352x240
64 128 256 384 512 768 1M 2M
Resolution
Call Speed
Sharpness
352x240
30fps
Motion, 352x240, 30fps
Sharpness, 704x480, 30fps
Motion
352x480
30fps
Motion
704x480
30fps
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