Sony cd-r data recordable mediacompact disc (cd) is a format, co-developed by and . The format was originally developed to store and play only sound recordings but was later adapted for storage of data (). Several other formats were further derived from these, including write-once audio and data storage (), rewritable media (), video compact disc (), super video compact disc (), , picturecd, , and . Audio cd players have been commercially available since october 1982, when was released in japan