Skip to content


Repository files navigation

Build Status


This source code is provided for educational purposes only.  It is
a written description of how certain voice encoding/decoding
algorythims could be implemented.  Executable objects compiled or 
derived from this package may be covered by one or more patents.
Readers are strongly advised to check for any patent restrictions or 
licencing requirements before compiling or using this source code.

mbelib 1.3.0

    mbelib supports the 7200x4400 bit/s codec used in P25 Phase 1,
    the 7100x4400 bit/s codec used in ProVoice and the "Half Rate"
    3600x2250 bit/s vocoder used in various radio systems.

Example building instructions on Ubuntu:

sudo apt-get update
sudo apt-get install git make cmake # Update packages
git clone <URL of git repository>   # Something like:
cd mbelib                           # Move into source folder
mkdir build                         # Create build directory
cd build                            # Move to build directory
cmake ..                            # Create Makefile for current system
make                                # Compiles the library
sudo make install                   # Library is installed into computer