Selecting Audio and Video Devices for Use with Polycom PVX
Specifying Advanced Video Properties
To optimize the video from your PVX, you need to correctly specify the PVX video settings. Before you start, you need to know the CPU load level of your video input device. Refer to Determining the CPU Load for Your System for more information.
To specify the advanced video properties:
1.From the PVX Main page, select Setup > Video > Advanced.
2.Configure these settings:
Setting | Description |
|
|
Enable VGA People | Select if your computer uses less than 15% of the |
Encoding | CPU when PVX is running and no call is in progress. |
| Clear if your computer uses more than 15% of the |
| CPU while not in a call. |
|
|
Video Quality | Select Smoother Motion to make video motion |
| appear smooth, even though the picture may lose |
| detail. Select this option when the call includes |
| participants moving around the room and no shared |
| documents. |
| Select Sharper Image for a sharp, clear picture, even |
| though the motion may not be as smooth. Select this |
| option when all participants are seated and you need |
| to show slides or another type of document during the |
| call. |
|
|
Enable VGA 30 frames | Clear this setting in most cases. |
per second | Select if your device can support VGA at 30 frames |
| per second while maintaining a low CPU load. Most |
| cameras are not capable of doing this. Supported |
| video input devices with this capability include: |
| • PCI video capture cards |
| • AVerMedia AVerTV GO 007 FM Plus PCI |
| • GlobalMedia iREZ K2 USB 2.0 |
| • |
| USB 2.0) |
|
|
For the camera you | Select Low if the device’s driver has little impact on |
have selected, specify | the total CPU load. |
the camera driver’s | Select Medium if the device’s driver moderately |
load on the system | increases the CPU load. |
| Select High if the device’s driver significantly |
| increases the CPU load. |
| Refer to Determining the CPU Load for Your System |
| for more information. |
|
|
| 4 |
