The Role of Realtek High Definition Audio Driver (HDA) R2.8x (9239.1) WHQL
This is the product family. Realtek Semiconductor Corp. is the dominant vendor for onboard audio codecs (ALC series like ALC892, ALC897, ALC1220, ALC4080). “High Definition Audio” refers to the Intel HDA standard adopted in the early 2000s, replacing the older AC’97 standard. The Role of Realtek High Definition Audio Driver (HDA) R2