DVB-CSA
E920756
DVB-CSA is a content-scrambling and conditional access encryption standard used to protect digital television broadcasts in DVB systems.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T11352424 — 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: DVB-CSA Context triple: [DVB broadcasting standards, includesStandard, DVB-CSA]
-
A.
DVB-C
DVB-C is a digital cable television transmission standard used to deliver TV and radio services over cable networks.
-
B.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
C.
DVB-T2
DVB-T2 is the second-generation digital terrestrial television broadcasting standard that delivers more efficient, higher-capacity TV and data services over the air compared to its DVB-T predecessor.
-
D.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
E.
DVB-S2
DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
- 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: DVB-CSA Target entity description: DVB-CSA is a content-scrambling and conditional access encryption standard used to protect digital television broadcasts in DVB systems.
-
A.
DVB-C
DVB-C is a digital cable television transmission standard used to deliver TV and radio services over cable networks.
-
B.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
C.
DVB-T2
DVB-T2 is the second-generation digital terrestrial television broadcasting standard that delivers more efficient, higher-capacity TV and data services over the air compared to its DVB-T predecessor.
-
D.
DVB-S
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
E.
DVB-S2
DVB-S2 is an advanced digital satellite television broadcasting standard widely used in Europe and beyond for efficient, high-quality transmission of TV and data services.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
DVB standard
ⓘ
conditional access encryption standard ⓘ content scrambling algorithm ⓘ |
| abbreviation | CSA ⓘ |
| appliedTo |
MPEG-2 transport streams
ⓘ
audio streams ⓘ data streams ⓘ video streams ⓘ |
| category |
broadcast encryption
ⓘ
television encryption standard ⓘ |
| compatibleWith |
MPEG-2 video
ⓘ
MPEG-4 AVC ⓘ
linked to:
ISO/IEC 14496-10
|
| deployment |
cable television
ⓘ
satellite television ⓘ terrestrial digital television ⓘ |
| domain |
digital television
ⓘ
pay TV ⓘ |
| encryptionType | symmetric-key cipher ⓘ |
| fullName | Digital Video Broadcasting - Common Scrambling Algorithm ⓘ |
| hasVersion |
DVB-CSA1
ⓘ
linked to:
DVB-CSA
DVB-CSA2 ⓘ
linked to:
DVB-CSA
DVB-CSA3 ⓘ
linked to:
DVB-CSA
|
| introducedFor | commercial pay TV services ⓘ |
| keyLength | 64-bit control word ⓘ |
| relatedTo |
conditional access system
ⓘ
set-top box ⓘ smart card based pay TV ⓘ |
| requires |
conditional access subsystem
ⓘ
key management infrastructure ⓘ |
| securityProperty | confidentiality of broadcast content ⓘ |
| standardizedBy |
Digital Video Broadcasting Project
ⓘ
linked to:
DVB broadcasting standards
|
| standardizedFor |
DVB-C
ⓘ
DVB-C2 ⓘ DVB-S ⓘ DVB-S2 ⓘ DVB-T ⓘ DVB-T2 ⓘ |
| successor |
DVB-CISSA
ⓘ
DVB-CSA3 ⓘ
linked to:
DVB-CSA
|
| usedFor |
conditional access
ⓘ
content scrambling ⓘ protection of digital television broadcasts ⓘ |
| usedIn |
DVB systems
ⓘ
linked to:
DVB broadcasting standards
digital television broadcasting ⓘ |
| usesConcept |
control word
ⓘ
entitlement control messages ⓘ entitlement management messages ⓘ |
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: DVB-CSA Description of subject: DVB-CSA is a content-scrambling and conditional access encryption standard used to protect digital television broadcasts in DVB systems.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: DVB-CSA
linked to: DVB-CSA
linked to: DVB-CSA