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Testing of balanced and coaxial information technology cabling - Installed cabling as specified in EN 50173-4 and related standards. Original standard UNE-EN 61935-3-2009 in PDF full version. Additional info + preview on request

Document status: Active

Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - MPEG-4 AAC and its extensions in LATM/LOAS. Original standard UNE-EN 61937-11-2010 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Amendment 1 - Digital audio. Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Non-linear PCM bitstreams according to the ATRAC, ATRAC2/3 and ATRAC-X formats. Original standard UNE-EN 61937-7-2005 A1-2016 in PDF full version. Additional info + preview on request

Document status: Active

Multimedia systems. Guide to the recommended characteristics of analogue interfaces to achieve interoperability. Original standard UNE-EN 61938-2014 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN IEC 61938-2018

Electronic projection. Measurement and documentation of key performance criteria - Variable resolution projectors. Original standard UNE-EN 61947-2-2002 in PDF full version. Additional info + preview on request

Document status: Active

Secondary cells and batteries containing alkaline or other non acid electrolytes. Secondary sealed cells and batteries for portable applications - Nickel-metal hydride. Original standard UNE-EN 61951-2-2017 in PDF full version. Additional info + preview on request

Document status: Active