libsox2 software package provides SoX library of audio effects and processing, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libsox2
libsox2 is installed in your system.
Make ensure the libsox2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libsox2 *
You will get with libsox2 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Sound |
| Package | libsox2 |
| Version | 14.4.1-3ubuntu1 |
| Description | SoX library of audio effects and processing |
| Sub Section | Sound |