Realtek has recently released a new updated version of the HD audio driver codecs, Realtek High Definition Audio driver R2.55. Apparently there are no feature updates or fixes released with this version. This may be the reason why they haven’t released any release notes with the release of Audio Codes Driver R2.55.
If you are happy with using earlier version of Realtek HD Audio Codecs Driver you may choose to skip this update. However, if you are having with HD audio output of your audio device, download this HD Audio Driver R2.55 for Windows 7, Windows Vista and Windows XP systems. Download the driver package from the direct download links added below.
Download Realtek HD Audio Driver R2.55:
Windows 7/Vista [32/64 bits - 77.92 MB – Exe file] [link expired]
Windows XP [32/64 bits – 30.55 MB – Zipped file] [link expired]