I've packaged this on Centos 5.6 if anyone wants a copy :) [root at karsites ~]# sox --help sox: invalid option -- - sox: Version 12.18.1 Usage: [ gopts ] [ fopts ] ifile [ fopts ] ofile [ effect [ effopts ] ] gopts: -e -h -p -q -S -V fopts: -r rate -c channels -s/-u/-U/-A/-a/-i/-g/-f -b/-w/-l/-d -v volume -x effect: avg band bandpass bandreject chorus compand copy dcshift deemph earwax echo echos fade filter flanger highp highpass lowp lowpass mask mcompand noiseprof noisered pan phaser pick pitch polyphase rate repeat resample reverb reverse silence speed stat stretch swap synth trim vibro vol effopts: depends on effect Supported file formats: aiff al alsa au auto avr cdr cvs dat vms gsm hcom la lu maud mp3 nul ossdsp prc raw sb sf sl smp sndt sph 8svx sw txw ub ul uw voc vorbis vox wav wve and told yum to stop updating it, by adding this: # do not update these packages exclude=sox to /etc/yum.conf ----------------------------------------------------------------- You will need to use the exact download links, as dir listing is turned off, and all you will get otherwise is an error message, or the homepage. This is for Centos 5.6 32 bit. http://www.karsites.net/centos/downloads/5.6/FILENAME Where FILENAME is one of: sox-reinstall-notes sox-rebuild.txt sox-12.18.1-1.src.rpm sox-12.18.1-1.i386.rpm karsites-GPG-public-key-2011-03-18.asc I've just resigned the i386.rpm with my public key. The source rpm has the original vendors GPG key. Kind Regards, Keith ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------