Polycom 3725-22724-003/A - Manual (Page 6)

Selecting Audio and Video Devices for Use with Polycom PVX
6
Supported Headsets
These common headsets have been tested with Polycom PVX version 8.0.1 or
later:
• GlobalMedia AMH-300V headset
• GN Netcom 2110-ST 01 USB headset
• Plantronics DSP-400 USB headset
External analog
microphone • Provides excellent synchronization
when plugged into the same device as
the speakers
Connecting both the audio and video
to the computer provides the best echo
cancellation from the Windows XP
echo canceller
• Provides maximum flexibility in the
distance between the speakers and the
microphone
• Offers a range of choices when
selecting a high-quality microphone
with good directionality and frequency
response
• Occupies additional desk space
• Limited audio quality
The Windows XP echo canceller limits
audio to 7 kHz. This is comparable to
traditional telephone quality.
Headset with
microphone • Full 14 kHz audio experience in some
headsets, since no echo cancellation is
required
• Provides a range of choices when
selecting a high-quality microphone
with good directionality and frequency
response
• Provides maximum privacy
• Limited audio quality in some headsets
Cellphone and Bluetooth® headsets
provide quality that is lower than wideband
PVX audio and is comparable to traditional
telephone quality.
• Possible discomfort of wearing a headset
Audio Input Device Advantages Disadvantages
When a headset is connected, the ring tone for incoming calls is played through the
default Windows speakers.