amsynth software package provides two oscillator software synthesizer, 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 amsynth
amsynth is installed in your system.
Make ensure the amsynth package were installed using the commands given below,
$ sudo dpkg-query -l | grep amsynth *
You will get with amsynth package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Sound |
| Package | amsynth |
| Version | 1.3.0-1 |
| Description | two oscillator software synthesizer |
| Sub Section | Sound |