Opendisc is an Enhanced Music CD application for enabling multimedia content when a compact disc is played on a personal computer.
Opendisc asserts that its technology conforms to the Blue Book specification and does not contain copy-protection functions.
[1] However, various computer users have reported[2][3][4] that it interferes with third-party playback and ripping applications, effectively functioning as digital rights management.
Because of this, many CDs now simply feature access to a Web site of the specific artist, which features exclusive music, videos, and photo content.
Like a Google alert, a user is informed of artist updates via e-mail.