Freeware Descriptions:

Realtek High Definition audio codec driver for most sound cards. Works with 32-bit and 64-bit versions of Windows Vista.

Here is complete features (taken from authors site):

File Size / OS:

  • 34.3 MB / Windows 9x - ME - 2000 - NT - XP - 2003 - Vista

Download Realtek High Definition Audio Codec Driver for Vista 2.27: