libmad0-dev software package provides MPEG audio decoder development library, 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 libmad0-dev
libmad0-dev is installed in your system.
Make ensure the libmad0-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libmad0-dev *
You will get with libmad0-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libmad0-dev |
| Version | 0.15.1b-8ubuntu1 |
| Description | MPEG audio decoder development library |
| Sub Section | libdevel |