audex software package provides Audio grabber tool for KDE, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install audex
audex is installed in your system.
Make ensure the audex package were installed using the commands given below,
$ sudo dpkg-query -l | grep audex *
You will get with audex package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | KDE |
| Package | audex |
| Version | 0.78-1 |
| Description | Audio grabber tool for KDE |
| Sub Section | KDE |