Audioendpoint -

When an application (like Spotify or Zoom) wants to play sound, it does not ask for "Driver X." It performs the following sequence:

To understand the AudioEndpoint, one must see it within the full audio hierarchy: audioendpoint

While the term "endpoint" generally implies the termination point of a communication channel, in Windows audio architecture, it has a specific, architectural definition introduced with Windows Vista. It serves as the fundamental shift from "device-centric" audio to "user-centric" audio. When an application (like Spotify or Zoom) wants