Polycom ViewStation FX4000 User Manual page 203

Enabling Automatic Tracking to Camera Presets (ViewStation FX Only)
© Polycom, Inc. 2002
The speed and the accuracy of automatic voice tracking largely
relies on the quality of the acoustics and the amount of ambient
noise in the room. In some situations, triangulation of the speaker
may take longer than expected.
To enable automatic voice tracking:
Press the AUTO button once on the remote control. A Camera icon
with a motor attached appears in the upper right corner of the main
monitor.
To turn off automatic voice tracking:
Pan, tilt, or zoom the camera. Any of these actions returns the
camera to manual mode.
The VS4000 does not support automatic voice tracking.
Automatic tracking to camera presets also triangulates the location
of the speaker, but aims the camera at the closest camera preset to
the location of the speaker. This is effective if the meeting
participants are sitting or are otherwise stationary.
The system senses the frequency range of the human voice.
Therefore, the camera will not aim at noises outside of that
frequency range, such as pencil tapping, coughing, or whistling.
Chapter 5 - Using the ViewStation FX/VS4000
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