What are the differences between the various Photo-CD applications for CD-i?
As a result of the CD-i Bridge specification on which Photo-CD was based, every Photo-CD must include a CD-i application to allow for the playback of the disc on a CD-i player. So far, Philips is the only company that produced such a CD-i application. A version of it is included with most Photo-CD authoring tools, and it is included on the Kodak PIW Workstation that is used by photo-finishers to make Photo-CDs. Naturally, Philips continued to improve the performance and features of this application, that’s why various versions of it excist. The version that is used on a particular disc is shown when the Exit-function is selected from the main menu. Although many interim versions excisted that were used internally within Philips, only a few of them were actually released to developers and Kodak. The most important of them were: • Version 1.x The first version of the CD-i application for Photo-CD had a somewhat clumsy layout, and used rather small buttons that were placed on screen all a
