Super Audio CD Super Audio CD Super Audio CD (SACD) is a read-only optical disc for audio storage, introduced in 1999. It was developed jointly by Sony and Philips Electronics, and intended to be the successor to their Compact Disc (CD) format. While the SACD format can offer more channels (e.g. surround sound), and a longer playing time than CD, research published in 2007 found no significant difference in audio quality between SACD and standard CD at ordinary volume levels. Having made little impact in the consumer audio market, by 2007, SACD was deemed to be a failure by the press. A small
CD-i games from The Legend of Zelda series out to independent studios, Philips subsequently used the characters to create three games for the CD-i, with Nintendo taking no part in their development except to give input on the look of the characters based on the artwork from Nintendo's original two titles and that of their respective instruction booklets. Philips insisted that the development studios utilize all aspects of the CD-i's capabilities including FMV, high-resolution graphics, and CD-quality music. Because the system had not been designed as a dedicated video game console, there were several technical limitations, such as laggy controls (especially for the standard infrared controller), and numerous