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
Philips CD-i completely arrange the whole album in their own personal way with over 15,000 points of customization. CD-i has a series of learning games ("edutainment") targeted at children from infancy to adolescence. Those intended for a younger audience included "Busytown", "The Berenstain Bears" and various others which usually had vivid cartoon-like settings accompanied by music and logic puzzles. Although extensively marketed by Philips, notably via infomercial, consumer interest in CD-i titles remained low. By 1994, sales of CD-i systems had begun to slow, and in 1998 the product line was dropped. Philips had by then already sold its gaming subsidiary, Philips