Для CentOS 8 Stream запустите от имени root:
cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:flexydial/CentOS_8_Stream/home:flexydial.repo
yum install audiofile
Для CentOS 8 запустите от имени root:
cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:flexydial/CentOS_8/home:flexydial.repo
yum install audiofile
Для CentOS 7 запустите от имени root:
cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:flexydial/CentOS_7/home:flexydial.repo
yum install audiofile