Encrypted Media Extensions
E856212
Encrypted Media Extensions is a W3C specification that enables web applications to play encrypted audio and video content in HTML5 using Content Decryption Modules for digital rights management.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Encrypted Media Extensions canonical | 5 |
| W3C Encrypted Media Extensions specification | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10329209 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Encrypted Media Extensions Context triple: [Open Web Platform, hasComponent, Encrypted Media Extensions]
-
A.
SRTP for secure media transport
SRTP for secure media transport is a security protocol that encrypts and authenticates real-time audio and video streams, commonly used in VoIP and WebRTC communications.
-
B.
MPEG-DASH
MPEG-DASH is an international standard for adaptive bitrate streaming of multimedia content over HTTP, enabling high-quality video delivery across varying network conditions and devices.
-
C.
ISO/IEC 23008-2
ISO/IEC 23008-2 is the international video coding standard better known as High Efficiency Video Coding (HEVC) or H.265, designed to provide significantly improved compression efficiency over its predecessors.
-
D.
MPEG-H
MPEG-H is a family of ISO/IEC standards developed by MPEG for advanced audio and multimedia coding, including immersive and 3D audio applications.
-
E.
ISO/IEC 14496-10
ISO/IEC 14496-10 is the international standard that defines the Advanced Video Coding (AVC), commonly known as H.264, for efficient digital video compression.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Encrypted Media Extensions Target entity description: Encrypted Media Extensions is a W3C specification that enables web applications to play encrypted audio and video content in HTML5 using Content Decryption Modules for digital rights management.
-
A.
SRTP for secure media transport
SRTP for secure media transport is a security protocol that encrypts and authenticates real-time audio and video streams, commonly used in VoIP and WebRTC communications.
-
B.
MPEG-DASH
MPEG-DASH is an international standard for adaptive bitrate streaming of multimedia content over HTTP, enabling high-quality video delivery across varying network conditions and devices.
-
C.
ISO/IEC 23008-2
ISO/IEC 23008-2 is the international video coding standard better known as High Efficiency Video Coding (HEVC) or H.265, designed to provide significantly improved compression efficiency over its predecessors.
-
D.
MPEG-H
MPEG-H is a family of ISO/IEC standards developed by MPEG for advanced audio and multimedia coding, including immersive and 3D audio applications.
-
E.
ISO/IEC 14496-10
ISO/IEC 14496-10 is the international standard that defines the Advanced Video Coding (AVC), commonly known as H.264, for efficient digital video compression.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
HTML5-related specification
ⓘ
W3C Recommendation ⓘ web standard specification ⓘ |
| abbreviation | EME ⓘ |
| acronym | CDM ⓘ |
| aimsTo | enable interoperable encrypted media playback on the web ⓘ |
| allows |
JavaScript control of encrypted media playback
ⓘ
negotiation of keys and licenses for media decryption ⓘ |
| appliesTo |
web applications
ⓘ
web browsers ⓘ |
| category |
digital rights management technology
ⓘ
web API ⓘ |
| compatibleWith |
Apple FairPlay
ⓘ
Google Widevine ⓘ Microsoft PlayReady ⓘ |
| controversy |
impact on open-source browser implementations
ⓘ
use of DRM on the open web ⓘ |
| criticizedBy | Electronic Frontier Foundation ⓘ |
| criticizedFor | embedding DRM into web standards ⓘ |
| definedIn |
W3C Encrypted Media Extensions specification
ⓘ
linked to:
Encrypted Media Extensions
|
| designedFor |
HTML5 media elements
ⓘ
encrypted media streams ⓘ |
| enables |
playback of encrypted audio content in web browsers
ⓘ
playback of encrypted video content in web browsers ⓘ use of DRM-protected media in HTML5 ⓘ |
| fullName | Encrypted Media Extensions ⓘ |
| hasSection |
MediaKeySession interface
ⓘ
MediaKeySystemAccess interface ⓘ MediaKeys interface ⓘ |
| initialPublicationYear | 2013 ⓘ |
| partOf | Open Web Platform ⓘ |
| primaryDomain |
digital rights management
ⓘ
web media playback ⓘ |
| publisher |
W3C
ⓘ
linked to:
World Wide Web Consortium
World Wide Web Consortium ⓘ |
| recommendationYear | 2017 ⓘ |
| relatedTo |
Content Decryption Module
ⓘ
linked to:
DRM
HTML5 ⓘ Media Source Extensions ⓘ |
| requires |
integration with a Content Decryption Module
ⓘ
support from browser vendors ⓘ |
| specifies |
APIs for encrypted media playback
ⓘ
interfaces for working with Content Decryption Modules ⓘ |
| standardizedBy |
W3C
ⓘ
linked to:
World Wide Web Consortium
World Wide Web Consortium ⓘ |
| status | W3C Recommendation ⓘ |
| supports | multiple DRM systems via different CDMs ⓘ |
| usesConcept |
Content Decryption Module
ⓘ
linked to:
DRM
digital rights management ⓘ encryption keys ⓘ license server ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Encrypted Media Extensions Description of subject: Encrypted Media Extensions is a W3C specification that enables web applications to play encrypted audio and video content in HTML5 using Content Decryption Modules for digital rights management.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Encrypted Media Extensions