{"id":282621,"date":"2024-10-19T19:06:24","date_gmt":"2024-10-19T19:06:24","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-12999-22020\/"},"modified":"2024-10-25T15:49:41","modified_gmt":"2024-10-25T15:49:41","slug":"bs-en-iso-12999-22020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-12999-22020\/","title":{"rendered":"BS EN ISO 12999-2:2020"},"content":{"rendered":"

This document specifies how to calculate:<\/p>\n

    \n
  1. \n

    the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354<\/span><\/span> ;<\/p>\n<\/li>\n

  2. \n

    the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654<\/span><\/span> ;<\/p>\n<\/li>\n

  3. \n

    the uncertainty of the object sound absorption coefficient according to ISO 20189<\/span><\/span> ; and<\/p>\n<\/li>\n

  4. \n

    the uncertainty of the single number rating determined according to EN 1793-1<\/span><\/span> .<\/p>\n<\/li>\n<\/ol>\n

    Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Acoustics. Determination and application of measurement uncertainties in building acoustics – Sound absorption<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n2020<\/td>\n16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":282627,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1266,2641],"product_tag":[],"class_list":{"0":"post-282621","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-120-20","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/282621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/282627"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=282621"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=282621"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=282621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}