Can EME be used for more than just audio/video content?
According to Google:
Encrypted Media Extensions provides an API that enables web applications to interact with content protection systems, to allow playback of encrypted audio and video.
The W3C Recommendation for Encrypted Media Extensions explains:
This proposal extends
HTMLMediaElementproviding APIs to control playback of encrypted content.
Mozilla describes the
HTMLMediaElementinterface adds to
HTMLElementthe properties and methods needed to support basic media-related capabilities that are common to audio and video. The
HTMLAudioElementelements both inherit this interface.
In other words,
HTMLMediaElement simply refers to
From this information, we can conclude that Encrypted Media Extensions act as a gateway between a client's web browser and DRM software: specifically audio and video. [Source]