Just thought of one thing that might be a problem if you are trying to use sox from a terminal session. Don't forget you need to update the LD_LIBRARY_PATH or it won't work. For example you can do it as follows:
Code:
[root@kindle sox]# LD_LIBRARY_PATH=/mnt/us/extensions/sox/library:$LD_LIBRARY_PATH ./sox --version
./sox: SoX v14.4.1
[root@kindle sox]#
Alternatively, you can update and export LD_LIBRARY_PATH in your session.
Dave