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.
Near impervious quality. Homogeneous tiles have incredibly low water absorption quality. At 0.3%, the homogeneous tilesâ absorption rate is much lower than that of porcelain tiles which is 0.5% and that of regular ceramic tiles which can be up to 25%.ear impervious quality. Homogeneous tiles have incredibly low water absorption quality. At 0.3%, the homogeneous tilesâ absorption rate is much lower than that of porcelain tiles which is 0.5% and that of regular ceramic tiles which can be up to 25%.