DVB-T2
E72835
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| DVB-T2 canonical | 9 |
| DVB-T2-Lite | 2 |
| Digital Video Broadcasting - Second Generation Terrestrial | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T579053 — 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-T2 Context triple: [Freeview, distributionTechnology, DVB-T2]
-
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.
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.
-
C.
STB
STB is an independent U.S. federal agency that oversees and regulates railroad rate and service issues and certain other surface transportation matters.
-
D.
SMPTE ST 2022
SMPTE ST 2022 is a family of standards from the Society of Motion Picture and Television Engineers that defines the transport of professional audio, video, and ancillary data over IP networks, including methods for encapsulation, error correction, and redundancy.
-
E.
SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
- 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-T2 Target entity description: 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.
-
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.
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.
-
C.
STB
STB is an independent U.S. federal agency that oversees and regulates railroad rate and service issues and certain other surface transportation matters.
-
D.
SMPTE ST 2022
SMPTE ST 2022 is a family of standards from the Society of Motion Picture and Television Engineers that defines the transport of professional audio, video, and ancillary data over IP networks, including methods for encapsulation, error correction, and redundancy.
-
E.
SMPTE ST 2059
SMPTE ST 2059 is a professional media industry standard that defines how to use IEEE 1588 Precision Time Protocol to synchronize clocks and signals across IP-based audio, video, and broadcast systems.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
DVB standard
ⓘ
digital terrestrial television standard ⓘ |
| backwardsCompatibleWithDVB-T | no ⓘ |
| designedFor |
higher spectral efficiency than DVB-T
ⓘ
increased data capacity compared to DVB-T ⓘ |
| developedBy |
DVB Project
ⓘ
linked to:
DVB broadcasting standards
|
| ETSIStandardNumber | EN 302 755 ⓘ |
| firstStandardPublicationYear | 2009 ⓘ |
| fullName |
Digital Video Broadcasting - Second Generation Terrestrial
ⓘ
linked to:
DVB-T2
|
| predecessor | DVB-T ⓘ |
| relatedStandard |
DVB-T
ⓘ
DVB-T2-Lite ⓘ
linked to:
DVB-T2
|
| standardizedBy | ETSI ⓘ |
| supportsAudioCodec |
AAC
ⓘ
Dolby Digital Plus ⓘ MPEG-1 Layer II ⓘ |
| supportsBandwidth |
1.7 MHz
ⓘ
5 MHz ⓘ 6 MHz ⓘ 7 MHz ⓘ 8 MHz ⓘ |
| supportsFFTSize |
16k
ⓘ
1k ⓘ 2k ⓘ 32k ⓘ 4k ⓘ 8k ⓘ |
| supportsGuardIntervals | yes ⓘ |
| supportsHierarchicalModulation | yes ⓘ |
| supportsMIMO | no ⓘ |
| supportsMultiplePLPs | yes ⓘ |
| supportsPilotPatterns | yes ⓘ |
| supportsServiceType |
HDTV
ⓘ
SDTV ⓘ data broadcasting ⓘ digital television ⓘ mobile TV ⓘ |
| supportsSingleFrequencyNetworks | yes ⓘ |
| supportsVideoCodec |
HEVC (via DVB-T2-based services)
ⓘ
MPEG-4 AVC ⓘ
linked to:
H.264
|
| transmissionMedium | terrestrial broadcast ⓘ |
| typicalUseRegion |
Africa
ⓘ
Asia ⓘ Europe ⓘ parts of South America ⓘ |
| usesErrorCorrection |
BCH
ⓘ
LDPC ⓘ |
| usesModulation |
16-QAM
ⓘ
256-QAM ⓘ 64-QAM ⓘ OFDM ⓘ QPSK ⓘ |
| usesPhysicalLayerPipe | yes ⓘ |
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-T2 Description of subject: 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.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.