Realtek released version 3.76 driver for their ALC AC97 audio chipsets. The driver supports all ALC series audio chipsets from ALC100 up to ALC850 mainly used as onboard sound on various motherboards. The ALC650 incorporates proprietary converter technology to achieve a high SNR, greater than 90 dB. The ALC650 AC'97 CODEC supports multiple CODEC extensions with independent variable sampling rates and built-in 3D effects. The ALC650 CODEC provides two pairs of stereo outputs with independent volume controls, a mono output, and multiple stereo and mono inputs, along with flexible mixing, gain and mute functions to provide a complete integrated audio solution for PCs.

Realtek ALC650 Drivers v3.76

Thanks to NGOHQ.com

Changes:
* Fix pop noise for ATI chipsets.
* Fix recording noise when below 48K samplerate.
* Fix C3 state issue for ATI chipsets.
* Fix ALI 1689 chipsets can't record continue after power resume.
* Make driver package to be 8.3 format.
* Setup Package-Delete older inf file ( alcxwdm?.inf ) for updating driver.
* Setup Package-General inf file name change to "Alcxau.inf"