Nortel 1110 Fundamentals page 258

258 Nortel Mobile Voice Client 2050
Audio Quality
Audio quality is controlled from the following screens
•
•
Audio quality slider tab To control audio quality, use the slider tab to
reduce audio delay and increase audio clarity. control audio quality. This
slider controls the number of audio buffers the PDA uses to smooth out
incoming audio streams.
If you experience audio delay, use the slider on the Audio screen to
decrease the number of buffers.
If you experience broken or choppy speech at either end of the call, or the
dial tone sounds choppy, use the volume controls on the MVC 2050 toolbar
to adjust volume while using the MVC 2050.
If you experience reduced audio clarity in the receive audio stream, increase
the Audio clarity setting. This increases the number of audio buffers used
to process incoming audio. If the delay is too large, you can decrease the
Audio clarity setting.
Advanced Audio Global IP Sound NetEQ software provides loss
concealment and compensation.
NetEQ is the default setting and MVC 2050 Advanced Audio settings cannot
be adjusted.
Table 33 "Advanced Audio screen" (page 258)
the Advanced Audio screen.
Table 33
Advanced Audio screen
Selection
NetEQ (Global IP Sound)
Jitter Buffer
Copyright © 2003–2007, Nortel Networks
.
Audio quality slider tab
Advanced Audio
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 01.02 Standard
Release 5.0 20 June 2007
provides information about
Description
NetEQ packet loss concealment software
is the default mode of operation.
A Jitter Buffer is used to minimize a
change in rate for arriving voice frames.
The Jitter Buffer sends voice frames to
your PDA sound system at a fixed rate.
The rate of arrival of voice frames is
variable. The value of "jitter" is the normal
number of voice frames the application
should have in its jitter buffer.