DVB-S
E78991
DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
All labels observed (3)
| Label | Occurrences |
|---|---|
| DVB-S canonical | 19 |
| Digital Video Broadcasting - Satellite | 2 |
| DVB-S standard | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T632728 — 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-S Context triple: [Freesat, primaryBroadcastStandard, DVB-S]
-
A.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
B.
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.
-
C.
Freesat
Freesat is a free-to-air digital satellite television service in the United Kingdom offering a wide range of TV and radio channels without subscription.
-
D.
ATSC
ATSC (Advanced Television Systems Committee) is a digital television broadcasting standard used primarily in North America for over-the-air high-definition TV transmission.
-
E.
Arabsat-6A
Arabsat-6A is a high-capacity Saudi communications satellite launched in 2019 to provide television, internet, and telecommunications services across the Middle East, Africa, and Europe.
- 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-S Target entity description: DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
-
A.
DVB-T
DVB-T is a widely used digital terrestrial television broadcasting standard that delivers multiple TV and radio channels over conventional aerials.
-
B.
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.
-
C.
Freesat
Freesat is a free-to-air digital satellite television service in the United Kingdom offering a wide range of TV and radio channels without subscription.
-
D.
ATSC
ATSC (Advanced Television Systems Committee) is a digital television broadcasting standard used primarily in North America for over-the-air high-definition TV transmission.
-
E.
Arabsat-6A
Arabsat-6A is a high-capacity Saudi communications satellite launched in 2019 to provide television, internet, and telecommunications services across the Middle East, Africa, and Europe.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
digital video broadcasting standard
ⓘ
satellite television standard ⓘ |
| abbreviationOf |
Digital Video Broadcasting - Satellite
ⓘ
linked to:
DVB-S
|
| backwardCompatibility | not backward compatible with DVB-S2 at physical layer ⓘ |
| belongsToFamily |
DVB standards
ⓘ
linked to:
DVB broadcasting standards
|
| channelCoding |
inner convolutional code
ⓘ
outer Reed-Solomon code ⓘ |
| deployment | worldwide ⓘ |
| developedBy |
Digital Video Broadcasting Project
ⓘ
linked to:
DVB broadcasting standards
|
| firstStandardizedIn | 1994 ⓘ |
| forwardErrorCorrection | concatenated Reed-Solomon and convolutional coding ⓘ |
| frequencyBands |
C-band
ⓘ
Ku-band ⓘ |
| fullName |
Digital Video Broadcasting - Satellite
ⓘ
linked to:
DVB-S
|
| layer | physical layer ⓘ |
| modulationScheme | QPSK ⓘ |
| multipleAccess | single-carrier per transponder ⓘ |
| multiplexing |
MPEG-2 transport stream
ⓘ
linked to:
MPEG-TS
|
| relatedStandard |
DVB-C
ⓘ
DVB-S2 ⓘ DVB-S2X ⓘ
linked to:
DVB-S2
DVB-T ⓘ |
| replacedAnalogSystems | analog satellite TV standards ⓘ |
| requires |
DVB-S compatible receiver
ⓘ
parabolic satellite dish ⓘ |
| rollOffFactor | 0.35 ⓘ |
| serviceTypes |
IP data
ⓘ
radio ⓘ television ⓘ |
| standardizedBy | ETSI ⓘ |
| standardNumber | EN 300 421 ⓘ |
| successorStandard | DVB-S2 ⓘ |
| supports |
MPEG-2 transport stream
ⓘ
linked to:
MPEG-TS
SDTV ⓘ pay TV services ⓘ |
| supportsConditionalAccess | yes ⓘ |
| supportsModulation | QPSK ⓘ |
| supportsTransport |
MPEG-1 Layer II audio
ⓘ
MPEG-2 video ⓘ |
| symbolRates | typically 1 to 45 Msymbol/s ⓘ |
| transmissionMedium | satellite ⓘ |
| typicalUseCase |
contribution and distribution links
ⓘ
direct broadcast satellite TV ⓘ |
| usedFor |
data broadcasting via satellite
ⓘ
direct-to-home satellite services ⓘ satellite television broadcasting ⓘ |
| usedInRegion |
Africa
ⓘ
Americas ⓘ Asia ⓘ Europe ⓘ |
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-S Description of subject: DVB-S is a digital video broadcasting standard used worldwide for transmitting television and data services via satellite.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: DVB-S
subject linked to:
BBC Choice (former channel)
subject linked to:
DSNG (Digital Satellite News Gathering)
linked to: DVB-S