With this invention, at least one of a video file containing video information, a still picture file containing still picture information, and an audio file containing audio information and a management file having management information on a control method of reproducing the information in the file...http://www.google.ca/patents/US7415197?utm_source=gb-gplus-sharePatent US7415197 - Information recording method, information recording medium, and information reproducing method, wherein information is stored on a data recording portion and a management information recording portion
