How To Install freedv on CentOS 7

In this tutorial we learn how to install freedv on CentOS 7. freedv is FreeDV Digital Voice

Introduction

In this tutorial we learn how to install freedv on CentOS 7.

What is freedv

FreeDV is a GUI application for Windows and Linux that allows any SSB radio to be used for low bit rate digital voice. Speech is compressed down to 1400 bit/s then modulated onto a 1100 Hz wide QPSK signal which is sent to the Mic input of a SSB radio. On receive, the signal is received by the SSB radio, then demodulated and decoded by FreeDV. FreeDV was built by an international team of Radio Amateurs working together on coding, design, user interface and testing. FreeDV is open source software, released under the GNU Public License version 2.1. The FDMDV modem and Codec 2 Speech codec used in FreeDV are also open source.

We can use yum or dnf to install freedv on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install freedv.

Install freedv on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install freedv using yum by running the following command:

sudo yum -y install freedv

Install freedv on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install freedv using dnf by running the following command:

sudo dnf -y install freedv

How To Uninstall freedv on CentOS 7

To uninstall only the freedv package we can use the following command:

sudo dnf remove freedv

References

Summary

In this tutorial we learn how to install freedv on CentOS 7 using yum and dnf.