Registration number (WIID)Project No.TitleStatus
54269HD 337 S3:1989Analogue audio disk records and reproducing equipmentAtcelts
54333HD 531 S1:1989Helical-scan video tape cassette system using 8 mm magnetic tape - Video 8Atcelts
54409HD 549 S1:1989Conference systems - Electrical and audio requirementsAtcelts
54411EN 61937-4:2003Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 4: Non-linear PCM bitstreams according to the MPEG audio formatIzstrādē
54418EN 62403:2006High density recording format on CD-R/RW disc system - HD-BURN formatIzstrādē
54467HD 311.2 S1:1977Magnetic tape sound recording and reproducing systems - Part 2: Calibration tapesAtcelts
54508EN 60958-3:2006/A2:2015Digital audio interface - Part 3: Consumer applicationsAtcelts
54525prEN 60581-7High fidelity audio equipment and systems - Minimum performance requirements - Part 7: LoudspeakersIzstrādē
54541EN 60107-7:1997Methods of measurement on receivers for television - Part 7: HDTV displaysIzstrādē
54554EN 62389:2006Methods of measurement for DVD playersStandarts spēkā
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