a52dec is a test program for liba52. It decodes ATSC A/52 streams, and also includes a demultiplexer for mpeg-1 and mpeg-2 program streams.The liba52 source code is always distributed in the a52dec package, to make sure it easier for people to test it.Use: Library for decoding ATSC A/52 streams (AKA ‘AC-3’)
URL: https://liba52.sourceforge.io/

Installation Steps:

1. Open Terminal using Spotlight search by pressing <command+space>. Type terminal and hit Enter key.
2. Now, run ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)” < /dev/null 2> /dev/null
3. Install a52dec using brew brew install a52dec