[CentOS] No ices for icecast ?

Hi, and a Happy New Year to everyone.

I have followed this tutorial to install icecast on Centos 
5.5,

http://www.howtoforge.com/linux_webradio_with_icecast2_ices2

but cannot find the ices package for sending the audio 
to icecast for it to stream.

I would like to send the data as mp3, if there is a suitable 
program to do this.

Has anyone on the list done this on Centos?

Kind Regards,

Keith Roberts

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