CCIR System D
E1032422
CCIR System D is an analog television broadcast standard used primarily in parts of Eastern Europe and Asia, characterized by 625-line, 50 Hz transmissions over VHF channels.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CCIR System D canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13225778 — 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: CCIR System D Context triple: [CCIR System B, relatedStandard, CCIR System D]
-
A.
CCIR System H
CCIR System H is an analog television broadcast standard used primarily in parts of Europe, similar to System B but adapted for UHF frequency bands.
-
B.
CCIR System G
CCIR System G is an analog television broadcast standard used primarily in parts of Europe and other regions, defining technical parameters such as channel bandwidth, video resolution, and audio subcarrier characteristics.
-
C.
CCIR System B (625-line PAL/SECAM TV standard)
CCIR System B is an analog television broadcasting standard that defines a 625-line, 50 Hz VHF transmission system widely used in conjunction with PAL and SECAM color encoding across many countries.
-
D.
CCIR
CCIR (Comité Consultatif International des Radiocommunications) was the former international standards body responsible for coordinating and recommending technical standards for global radio and broadcasting communications.
-
E.
SECAM
SECAM is an analog color television broadcasting standard developed in France and used historically in parts of Europe, Africa, and the Middle East.
- 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: CCIR System D Target entity description: CCIR System D is an analog television broadcast standard used primarily in parts of Eastern Europe and Asia, characterized by 625-line, 50 Hz transmissions over VHF channels.
-
A.
CCIR System H
CCIR System H is an analog television broadcast standard used primarily in parts of Europe, similar to System B but adapted for UHF frequency bands.
-
B.
CCIR System G
CCIR System G is an analog television broadcast standard used primarily in parts of Europe and other regions, defining technical parameters such as channel bandwidth, video resolution, and audio subcarrier characteristics.
-
C.
CCIR System B (625-line PAL/SECAM TV standard)
CCIR System B is an analog television broadcasting standard that defines a 625-line, 50 Hz VHF transmission system widely used in conjunction with PAL and SECAM color encoding across many countries.
-
D.
CCIR
CCIR (Comité Consultatif International des Radiocommunications) was the former international standards body responsible for coordinating and recommending technical standards for global radio and broadcasting communications.
-
E.
SECAM
SECAM is an analog color television broadcasting standard developed in France and used historically in parts of Europe, Africa, and the Middle East.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf | analog television broadcast standard ⓘ |
| alsoKnownAs | System D NERFINISHED ⓘ |
| audioCarrierOffset | 6.5 MHz ⓘ |
| audioModulation | FM sound ⓘ |
| audioSystemDesignation | D ⓘ |
| channelBandwidth | 8 MHz ⓘ |
| colorEncoding |
PAL
NERFINISHED
ⓘ
SECAM NERFINISHED ⓘ |
| colorSystemsSupported |
PAL
ⓘ
SECAM NERFINISHED ⓘ |
| compatibleWith |
PAL-D
ⓘ
SECAM-D NERFINISHED ⓘ |
| definedBy | CCIR NERFINISHED ⓘ |
| eraOfUse | 20th century ⓘ |
| fieldFrequency | 50 fields per second ⓘ |
| fieldRate | 50 Hz ⓘ |
| frameRate | 25 frames per second ⓘ |
| governingBody | International Radio Consultative Committee NERFINISHED ⓘ |
| interlaced | yes ⓘ |
| lineFrequency | 15625 Hz ⓘ |
| lineStandard | 625-line system ⓘ |
| predecessorStandard | earlier monochrome 625-line systems ⓘ |
| regionUsed |
Asia
NERFINISHED
ⓘ
Eastern Europe NERFINISHED ⓘ |
| relatedStandard |
CCIR System B
NERFINISHED
ⓘ
CCIR System K NERFINISHED ⓘ |
| scanLines | 625 ⓘ |
| signalPolarity | negative video ⓘ |
| signalType | composite video ⓘ |
| soundChannels | mono ⓘ |
| standardCategory | CCIR television system NERFINISHED ⓘ |
| successorStandard | digital television standards ⓘ |
| transmissionMedium | over-the-air broadcast ⓘ |
| transmissionStandardType | broadcast television ⓘ |
| usedFor | terrestrial television broadcasting ⓘ |
| usedIn | VHF television channels ⓘ |
| usedOnBand | VHF NERFINISHED ⓘ |
| videoAspectRatio | 4:3 ⓘ |
| videoModulation | negative video modulation ⓘ |
| videoSystemDesignation | D ⓘ |
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: CCIR System D Description of subject: CCIR System D is an analog television broadcast standard used primarily in parts of Eastern Europe and Asia, characterized by 625-line, 50 Hz transmissions over VHF channels.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
CCIR System B