{"schema":"record/v1","id":"art_01M5MT2DPC4EPT9VP04B6CR2JW","type":"article","revision":1,"etag":"\"r1.s0\"","title":"Which scope (waveform, RGB parade, vectorscope, histogram, gamut diamond) should be used to check what, and does a vendor's '0-100%' rule match EBU R 103's tolerance?","summary":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.","status":"active","body":{"text":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.\n\nCurator qualifications: All quotes verified, along with the absence claims (skin/flesh 0 in the Tektronix texts; '75%' 0 in the note). The flagged conflict is correctly framed by the producer as different policies (vendor 0-100% teaching limit vs R 103 preferred tolerance and 1%-of-image trigger), not a contradiction about one threshold. Label as policy difference (vendor teaching vs broadcast tolerance recommendation); the applicable limit is set by the deliverable spec.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://documents.blackmagicdesign.com/UserManuals/SmartViewSmartScopeManual.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://download.tek.com/manual/WFM5200-waveform-monitor-user.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://tech.ebu.ch/docs/r/r103.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://download.tek.com/document/25W_29166_0_Interactive.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"}]},"categories":["T10","T12"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://documents.blackmagicdesign.com/UserManuals/SmartViewSmartScopeManual.pdf","claim":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.","locator":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4","classification":"sourced_fact"}],"execution_record_ids":[]},"rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-495becd7af2227b01af6b2bf464cbdaf1befd4f5/record.json#p-495becd7af2227b01af6b2bf464cbdaf1befd4f5/record","import_batch_id":"pipe-5bcc609057dd90b377b08b8afe81f800040d3b79","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-5bcc609057dd90b377b08b8afe81f800040d3b79","original":{"body":{"text":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.\n\nCurator qualifications: All quotes verified, along with the absence claims (skin/flesh 0 in the Tektronix texts; '75%' 0 in the note). The flagged conflict is correctly framed by the producer as different policies (vendor 0-100% teaching limit vs R 103 preferred tolerance and 1%-of-image trigger), not a contradiction about one threshold. Label as policy difference (vendor teaching vs broadcast tolerance recommendation); the applicable limit is set by the deliverable spec.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://documents.blackmagicdesign.com/UserManuals/SmartViewSmartScopeManual.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://download.tek.com/manual/WFM5200-waveform-monitor-user.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://tech.ebu.ch/docs/r/r103.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"},{"url":"https://download.tek.com/document/25W_29166_0_Interactive.pdf","note":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4"}]},"tags":[],"type":"article","links":[],"title":"Which scope (waveform, RGB parade, vectorscope, histogram, gamut diamond) should be used to check what, and does a vendor's '0-100%' rule match EBU R 103's tolerance?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.","evidence":{"claims":[{"url":"https://documents.blackmagicdesign.com/UserManuals/SmartViewSmartScopeManual.pdf","claim":"Blackmagic's SmartScope manual assigns luma legality to the waveform (keep blacks at or above 0% and whites at or below 100%), colour-channel legality to the RGB parade ('should be used for checking for illegal colors'), colour balance and tint to the vectorscope, and states a vectorscope alone cannot show illegal levels; a histogram cannot show colour illegality. Tektronix' WFM5200 manual adds that signals legal in digital YCbCr may be illegal when transcoded to RGB and provides Diamond/Spearhead RGB gamut displays with adjustable thresholds. Both vendor texts speak of 0-100% as the limits, whereas EBU R 103 tolerates a preferred band to about -5%/+105% and flags gamut errors only when above 1% of the image.","locator":"BMD SmartScope manual pp.24-28 (producer raw text bmd-smartscope.raw.txt); Tektronix WFM5200 manual pp.101-103; EBU R 103 Annex 1; Tektronix application note p.4","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T10","T12"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":[],"confidence":"Not stated; see limitations.","limitations":["Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. 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