Package: sox

"sox" package binaries on CentOS:

/usr/bin/play /usr/bin/rec /usr/bin/sox /usr/bin/soxi

You may install this package on CentOS with yum install sox

"sox" package binaries on Debian:

/usr/bin/play /usr/bin/rec /usr/bin/sox /usr/bin/soxi

You may install this package on Debian with apt-get install sox