Section 7: Quick Start
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T E C H N O L O G Y
7.3.7.
Connection Bitrates and Algorithm Options
In this section you will find the Uplink Bandwidth table for IP connections.
This displays recommended rule-of-thumb settings for IP connections, based
on the uplink bandwidth of your broadband connection. Following this is a
table showing the recommended connection bit-rates for the factory default
algorithm settings, which are used by the manual default profiles. These
settings are a general guide and can be changed if required. In addition, there
are tables displaying all the available codec profiles and the algorithms you
can select, depending on the type of connection you are using.
The algorithm you connect with will be dependent on the program audio you
are sending and the connection bit-rate you are able to achieve.
Music
is
generally the preferred POTS algorithm setting if your program content
contains music.
Voice G3
is generally best to use for a POTS connection if
your connection bit-rate is 16,800 bps or lower. It is a good idea to listen to
the quality of your program signal and to see how it sounds when it is sent at
different bit-rates. This will assist you to determine what the best algorithm
setting is for the signal you will be broadcasting.
7.3.8.
UDP Uplink Bandwidth Table
Following is the UDP Uplink Bandwidth table that can be used as a rule-of-
thumb for configuring all IP connections. Please note that the jitter buffer
data in the table is relevant only for manually configured jitter buffer settings.
The following table sets out in detail what your codec settings should be (as a
rule of thumb), based on the following variables:
Different broadband DSL (ADSL) data uplink rates;
The algorithm that you have selected;
The codec audio connection bit rate setting;
Forward Error Correction settings;
Jitter-buffer millisecond settings; and
The profile you wish to select (i.e. Mono, Stereo, Dual Mono or
Mono IFB.)
