[Icecast] Relay from shoutcast

[unkn0wn]

> unkn0wn wrote:
> > I wanna retranslate some radiostations, but they are running
> > Shoutcast and broadcasting in AAC+ format. Can IceCast relay sound
> > in this format from this server?
> 
> yes, but any transcoding to any other format/bitrate would have to be 
> done via an external application.

How can I realize this? Relay I stay up with construction 
======================================
<relay>
	<server>xxx.xxx.xxx.xxx</server>
	<port>8024</port>
	<mount>/</mount>
	<local-mount>/Radio</local-mount>
	<on-demand>0</on-demand>
	<relay-shoutcast-metadata>1</relay-shoutcast-metadata>
</relay>

<mount>
	<mount-name>/Radio</mount-name>
	<max-listeners>100</max-listeners>
	<burst-size>65536</burst-size>
</mount>
======================================
but how can i realize transcoding to another format?