{"schema":"record/v1","id":"art_01M5MSMT01B9BWYNPTXGFKHKNB","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What is the EBU SQAM test material, what does it contain, and what use does the EBU allow?","summary":"The EBU SQAM CD (handbook Tech 3253, September 2008) is a set of recordings for subjective sound-quality tests, grouped from alignment and artificial signals through single instruments, voice, speech, orchestra and pop (70 tracks). The handbook states no licence. The EBU's generic test-sequence terms forbid commercial use and redistribution, and the producer's reading of the SQAM download page says downloading means agreeing to R&D-only use.","status":"active","body":{"text":"The EBU SQAM CD (handbook Tech 3253, September 2008) is a set of recordings for subjective sound-quality tests, grouped from alignment and artificial signals through single instruments, voice, speech, orchestra and pop (70 tracks). The handbook states no licence. The EBU's generic test-sequence terms forbid commercial use and redistribution, and the producer's reading of the SQAM download page says downloading means agreeing to R&D-only use.\n\nCurator qualifications: Documents read 2026-10-22; no test sequence downloaded or used. EBU test sequences: internal R&D equipment assessment only; no commercial use; no copying, publishing or redistribution (hold). SQAM-specific linkage to the July 2019 terms is from the producer's condensed landing-page read.\n\nLimitations: Documents read 2026-10-22; no test sequence downloaded or used. SQAM landing page (403 to producer) not read by curator.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://tech.ebu.ch/files/live/sites/tech/files/shared/testmaterial/use%20of%20EBU%20AUDIO%20test%20sequences.pdf","note":"EBU Tech 3253 SQAM users handbook (Geneva, September 2008); EBU audio test sequence terms (July 2019)"},{"url":"https://tech.ebu.ch/docs/tech/tech3253.pdf","note":"EBU Tech 3253 SQAM users handbook (Geneva, September 2008); EBU audio test sequence terms (July 2019)"},{"url":"https://tech.ebu.ch/publications/sqamcd","note":"EBU Tech 3253 SQAM users handbook (Geneva, September 2008); EBU audio test sequence terms (July 2019)"}]},"categories":["T13","T14","T20"],"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://tech.ebu.ch/files/live/sites/tech/files/shared/testmaterial/use%20of%20EBU%20AUDIO%20test%20sequences.pdf","claim":"The EBU SQAM CD (handbook Tech 3253, September 2008) is a set of recordings for subjective sound-quality tests, grouped from alignment and artificial signals through single instruments, voice, speech, orchestra and pop (70 tracks). 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