Realtek HD Audio Drivers is a pack containing the official drivers for Realtek High Definition integrated sound cards (to motherboard).
These sound drivers allow you to listen to multi-channel sound on the PC, with up to 10 DAC channels, with support for DTS, Dolby and Surround sound; In order to obtain an excellent sound, especially if it is accompanied by some good speakers.
It supports Direct Sound 3D, A3D, I3DL2, HRTF 3D and more.
Supports under Windows Vista and Windows 7: ALC882, ALC885, ALC888, ALC889, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC665, ALC262, ALC267, ALC268, ALC269, ALC272, ALC273, ALC887.
Supports under Windows XP and 2000: ALC880, ALC885, ALC885, ALC888, ALC889, ALC861VC, ALC861VD, ALC660, ALC662, ALC663, ALC665, ALC265, ALC262, ALC267, ALC268, ALC269, ALC272, ALC273, ALC887.
Realtek HD Audio Drivers R2.77 is the latest version (updated May 2015) of this driver package that you can download free. Works for Windows with 32-bit and 64-bit versions.
Note: on the download page you must check to accept the "I accept to the above" box to go to the list of available files, in which you must select the executable (Executable file) that corresponds to the system Operating system, having these 3 options: 32bit Vista / 7/8 - 64bit Vista / 7/8 - XP / 2000/2003