An information recording medium suitable for optical discs such as DVD-RAM is provided for integrated management of data as objects in different kinds of AV formats. Also apparatus is provided for data recording and playing to the medium. The medium stores management information including program chain...http://www.google.com/patents/US20030190151?utm_source=gb-gplus-sharePatent US20030190151 - Information recording medium, apparatus and method for recording or reproducing data thereof
