A/52 (A52) is essentially the same thing as AC-3 (AC3), which is Dolby Digital. Dolby Digital is sometimes referred to as DD, as in DD 5.1 (for Dolby Digital for 5.1 channels).Dolby's Audio Coding-3 (AC-3) coding and compression technology was used by Dolby to create Dolby Digital.he AC3 name (without the hyphen) is often used to refer to any audio encoding which can be used for DVD encoding to match Dolby Digital's specification, but is not specifically licensed by Dolby. Contents.
Standard porcelain tile thickness ranges between 1/4- and 3/4-inch thick. In contrast, ceramic tiles range from 1/4- to 3/8-inch in standard thickness. According to the Utah State University Cooperative Extension, thicker tiles are less likely to break or crack than thinner tiles. You may want to choose thicker porcelain tiles for flooring, especially in high-traffic areas.
ANSI A108.02 â 4.0 / 4.1.4.3.1). before the year 2010, the tile Council of North America (tCNA) described large format tile units as ââ¦generally considered to be 8 x 8 and greaterâ, with no provision for enhanced subsurface tolerances when tiles 8 x 8 or larger had been selected.