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BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
Sound system equipment. Objective rating of speech intelligibility by speech transmission index.
WITHDRAWN published on 1.8.2003
Selected format:Sound system equipment. Objective rating of speech intelligibility by speech transmission index.
WITHDRAWN published on 30.9.2011
Selected format:Sound system equipment. Amplifiers.
WITHDRAWN published on 15.5.2001
Selected format:Sound system equipment. Amplifiers.
WITHDRAWN published on 31.7.2013
Selected format:Sound system equipment. Microphones.
WITHDRAWN published on 12.5.2004
Selected format:Sound system equipment. Microphones.
WITHDRAWN published on 31.8.2010
Selected format:Sound system equipment. Microphones.
WITHDRAWN published on 30.9.2014
Selected format:Sound system equipment. Loudspeakers.
WITHDRAWN published on 15.11.1995
Selected format:Sound system equipment. Headphones and earphones.
WITHDRAWN published on 15.9.1996
Selected format:Sound system equipment. Headphones and earphones.
WITHDRAWN published on 28.2.2014
Selected format:Latest update: 2026-01-30 (Number of items: 2 258 069)
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