CentOS 7 RPM Specfile for silan which is part of RaBe's audio package collection
There are pre-built binary packages for CentOS 7 available on Radio RaBe's OBS audio package repository, which can be installed as follows:
curl -o /etc/yum.repos.d/home:radiorabe:audio.repo \
http://download.opensuse.org/repositories/home:/radiorabe:/audio/CentOS_7/home:radiorabe:audio.repo
yum install silan