DSDPlus is a Windows application capable of reliably decoding multiple types of digital audio formats found on VHF, UHF and 800 MHz. These frequencies are commonly used by many Police and emergency services, as well as on business radio.

General notes

This program does not require a powerful computer to run. Its main function is decoding various digital modes by taking an audio stream from radio broadcasts or from recorded .WAV files. The utility can display the captured content in the form of a generated text or a simple playback.

You have the option to save the output result in both .WAV and .MP3 format. Additionally, you are able to fine-tune this application for a site, system or transmitter that you are currently monitoring.

Compatibility

It is worth noting that this software supports a wide range of radio communication devices and protocols. The full list contains a considerable amount of entries and includes the following:

P25;
ProVoice;
X2-TDMA;
MOTOTRBO;
NXDN;
D-STAR.

Cons

The setup requires in-depth technical skills as well as various hardware components that may be unavailable to novice users. If you would like to quickly create your own radio station or just listen to popular broadcasts in your area, you can download the SHOUTcast DSP plugin for the Winamp media player.

Features

free to download and use;
gives you the ability to listen and record various radio broadcasts;
compatible with modern Windows versions;
can save audio files in various formats;
allows you to choose both input and output devices.