The Conexant BtPCI WDM Audio Capture driver is a Windows Driver Model (WDM) driver for Conexant's BtPCI chipset, which is used for audio capture devices that rely on PCI (Peripheral Component Interconnect) interface. This driver is typically used for audio capture cards or devices that enable you to record audio or video through a PCI-based sound card or multimedia device. These devices are often used for tasks such as audio recording, video capture, or sound editing.

The Conexant BtPCI WDM Audio Capture driver helps Windows communicate with the Conexant BtPCI hardware, ensuring proper functionality when capturing audio or video input through the device.