What is the function of sndio in OpenBSD?

Sndio is an audio interface in OpenBSD used to interact with audio hardware, control input and output audio devices. It offers a simple and flexible interface for users to easily manage and control audio devices. Sndio supports various audio formats and devices, and can be used with a variety of audio applications and libraries. With sndio, users can perform functions such as audio playback, recording, mixing, and have flexible configuration and control over audio devices.