jackmeter software package provides a basic command line meter for the JACK audio system, 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 jackmeter
jackmeter is installed in your system.
Make ensure the jackmeter package were installed using the commands given below,
$ sudo dpkg-query -l | grep jackmeter *
You will get with jackmeter package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Sound |
| Package | jackmeter |
| Version | 0.4-1 |
| Description | a basic command line meter for the JACK audio system |
| Sub Section | Sound |