The Conexant Riptide PCI Input Controller (WDM) Windows driver is a device driver designed to allow Windows operating systems to communicate with and use the Conexant Riptide PCI Input Controller hardware. This hardware typically refers to an audio or multimedia input device integrated into older computer systems, particularly those equipped with Conexant Riptide audio chips or multimedia modems. The WDM (Windows Driver Model) designation indicates that the driver follows the Windows Driver Model standard, which enables the device to work with various multimedia functions, such as audio input, microphone input, or even modem functionalities, depending on the specific version of the Riptide controller.