CCIR System G
E1029302
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CCIR System G canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13225776 — 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 G Context triple: [CCIR System B, relatedStandard, CCIR System G]
-
A.
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.
-
B.
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.
-
C.
SECAM
SECAM is an analog color television broadcasting standard developed in France and used historically in parts of Europe, Africa, and the Middle East.
-
D.
NTSC color television standard
The NTSC color television standard is an analog broadcast system developed in the United States that defined how color video signals were encoded and transmitted for decades of North American television.
-
E.
Rec. 709
Rec. 709 is the ITU-R standard that defines the color space, transfer characteristics, and other parameters for HDTV video, widely used as the baseline for high-definition television and video production.
- 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 G Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
SECAM
SECAM is an analog color television broadcasting standard developed in France and used historically in parts of Europe, Africa, and the Middle East.
-
D.
NTSC color television standard
The NTSC color television standard is an analog broadcast system developed in the United States that defined how color video signals were encoded and transmitted for decades of North American television.
-
E.
Rec. 709
Rec. 709 is the ITU-R standard that defines the color space, transfer characteristics, and other parameters for HDTV video, widely used as the baseline for high-definition television and video production.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | analog television broadcast standard ⓘ |
| alsoKnownAs | System G ⓘ |
| applicationDomain | broadcast engineering ⓘ |
| audioChannelConfiguration | mono FM audio ⓘ |
| audioPreemphasis | 50 µs ⓘ |
| audioToVideoCarrierSpacing | 5.5 MHz ⓘ |
| belongsToFamily | CCIR 625-line television systems ⓘ |
| channelBandwidth | 8 MHz ⓘ |
| colorEncoding |
PAL for most implementations
ⓘ
SECAM in some countries ⓘ |
| colorSystemsSupported |
PAL
ⓘ
SECAM ⓘ |
| compatibleWith |
PAL-B/G
ⓘ
SECAM-G ⓘ
linked to:
SECAM
|
| definedBy | CCIR ⓘ |
| defines |
audio subcarrier characteristics
ⓘ
channel bandwidth ⓘ video resolution ⓘ |
| fieldRate | 50 Hz ⓘ |
| frameRate | 25 frames per second ⓘ |
| governingBody | International Telecommunication Union ⓘ |
| guardBandUsage | yes ⓘ |
| horizontalLineFrequency | 15.625 kHz ⓘ |
| intendedMedium | VHF and UHF terrestrial channels ⓘ |
| interlaced | yes ⓘ |
| linesPerFrame | 625 ⓘ |
| predecessor | earlier CCIR 625-line monochrome standards ⓘ |
| regionGroup | European 625-line systems ⓘ |
| signalPolarity | negative video modulation ⓘ |
| signalType | composite video plus FM audio ⓘ |
| soundCarrier | higher frequency carrier in channel ⓘ |
| soundCarrierOffset | 5.5 MHz ⓘ |
| soundModulation | FM ⓘ |
| standardizedFor | broadcast television ⓘ |
| successor | digital terrestrial television standards ⓘ |
| timePeriodOfWidespreadUse | 20th century ⓘ |
| usedBefore | widespread adoption of digital TV ⓘ |
| usedFor | terrestrial television broadcasting ⓘ |
| usedIn |
Africa
ⓘ
Asia ⓘ Middle East ⓘ parts of Europe ⓘ |
| verticalFieldFrequency | 50 Hz ⓘ |
| videoBandwidth | 5 MHz ⓘ |
| videoModulation | negative ⓘ |
| videoStandard | 625-line ⓘ |
| visionCarrier | lower frequency carrier in channel ⓘ |
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 G Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
CCIR System B (625-line PAL/SECAM TV standard)