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.
Glazed Porcelain Tile. Glazed Porcelain Tiles are extremely hard and impermeable, which makes the tiles highly resistant to moisture, staining and wear. In producing this type of porcelain tile, a colored glaze is added to the surface of the tile, enhancing the visual presentation.lazed Ceramic Tile. Glazed Ceramic Tiles have the same glaze on top of the body of the tile that is applied to a porcelain body tile. The body of the tiles can be colored (any color shade from yellow to reddish brown) or else they can be whiteish (sometimes white) depending on the raw materials used.