libaften0 software package provides audio AC3 encoder - runtime files, 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 libaften0
libaften0 is installed in your system.
Make ensure the libaften0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libaften0 *
You will get with libaften0 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libaften0 |
| Version | 0.0.8+git20100105-0ubuntu2 |
| Description | audio AC3 encoder - runtime files |
| Sub Section | libs |