The Ensoniq AudioPCI (ES1371 / ES1373) is a family of audio sound cards produced by Ensoniq, later acquired by Creative Labs. These cards are based on the ES1371 and ES1373 audio chips and were commonly used in the late 1990s and early 2000s. They are designed to provide high-quality sound for PCs and are compatible with Windows operating systems.

The WDM (Windows Driver Model) is a type of driver architecture introduced by Microsoft for Windows 98/2000 and later. WDM drivers provide improved system stability, better compatibility with newer versions of Windows, and enhanced performance for audio hardware.