Hello World Decoder QuickStart Guide - is a tutorial to help you recognize audio files with spoken audio into text!

From the site:

• 1 Make a Base: /usr/src/sphinx/
• 2 Download/build sphinx3
• 3 Record and convert audio
• 4 Create control file
• 5 Download language model/dictionary
• 6 Create binary dump file
• 7 Create config file
• 8 Run
• 9 Output
• 10 A ScriptFile to do everything
• 11 Part 2: Using a custom language model