DVD recordable and DVD rewritable are optical disc recording technologies. Verbatim's recordable and rewritable Blu-ray Discs use their own proprietary technology, called Hard Coat. The audio discs can either be recordable (blank) or premastered. The recordable audio CD is designed to be used in a consumer audio CD recorder. Recordable MiniDiscs use a magneto-optical system to record data. The ArriRaw format (along with the other recordable formats) contains static and dynamic metadata. Almost every modern stand-alone DVD-Video player can play VCDs burned on recordable media. Phthalocyanine is also used on some recordable DVDs. This enabled the entire CCTV system to be switched over to new recordable digital technology. Recordable MDs can be recorded on repeatedly; Sony claims up to one million times. This changed in the late 1990s with introduction of the recordable DVD. They cannot be duplicated on consumers' recordable media. The LA-based post house Laser Edit also had an in-house system using recordable random-access LaserDiscs. The system was unable to compete against the newer, recordable and increasingly cheaper videotape technology. Changes the number of recordable frames when a 120 film or 220 film is used.