libao-ruby software package provides cross-platform audio output library bindings for Ruby, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libao-ruby
libao-ruby is installed in your system.
Make ensure the libao-ruby package were installed using the commands given below,
$ sudo dpkg-query -l | grep libao-ruby *
You will get with libao-ruby package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Sound |
| Package | libao-ruby |
| Version | 0.1-1ubuntu3 |
| Description | cross-platform audio output library bindings for Ruby |
| Sub Section | Sound |