Codec Tieline Gateway User Manual page 257

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Gateway and Gateway 4 Manual v1.2
FEC settings on each codec to match connection bandwidth capabilities at either end of the link,
conserve bandwidth and create more stable IP connections.
For example, if your broadcast is a one-way broadcast from a remote site, i.e. you are not using the
return path from the studio, or only using it for communications purposes, it is possible to reduce or
turn off FEC at the studio codec. This effectively reduces the bandwidth required over the return link
and increases the overall bandwidth available for the incoming broadcast signal from the remote site.
© Tieline Research Pty. Ltd. 2021