paprefs software package provides PulseAudio Preferences, 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 paprefs
paprefs is installed in your system.
Make ensure the paprefs package were installed using the commands given below,
$ sudo dpkg-query -l | grep paprefs *
You will get with paprefs package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Sound |
| Package | paprefs |
| Version | 0.9.10-1 |
| Description | PulseAudio Preferences |
| Sub Section | Sound |