Realtek HD Audio Codecs is a high-performance multi-channel High Definition Audio Codec with Realtek proprietary loss-less content protection technology that protects pre-recorded content while still allowing full-rate audio enjoyment from DVD audio, Blu-ray discs, or HD DVD discs.
If your PC has a Realtek High Definition audio chipset, Realtek HD Audio Codecs will help you get the most out of it.
It’s useful in instances wherein users aren’t able to use headphone audio-jack, microphone audio jack, etc.
Realtek HD Audio Codecs pack comes in 3 different versions: 32 bits, 64 bits and one huge file with 32 and 64 bits packed together.
All of them are available for Windows 7, Windows 8 and Windows 8.1.
There is also listed a version for old OSes: Windows 2000, 2003 and XP.
Your Realtek controller may already have this codec installed, courtesy of Windows Update. However, if it doesn't have it, download Realtek HD Audio Codecs now!