US 7,617,242 B2
Method and apparatus for reproducing play lists in record media
Keisuke Matsuo, Nara (Japan); Hiroshi Kase, Osaka (Japan); Kevin Leigh La Chapelle, Redmond, Wash. (US); Ian Cameron Mercer, Sammammish, Wash. (US); and Brian James Walker, Duvall, Wash. (US)
Assigned to Panasonic Corporation, Osaka (Japan)
Filed on Mar. 25, 2005, as Appl. No. 11/90,544.
Claims priority of provisional application 60/557647, filed on Mar. 30, 2004.
Prior Publication US 2005/0232091 A1, Oct. 20, 2005
Int. Cl. G06F 7/00 (2006.01)
U.S. Cl. 707—104.1 11 Claims
OG exemplary drawing
 
1. A recording and reproducing system comprising:
a recording medium having a plurality of data files of storing predetermined data, on which a directory where the data files are stored is created, a directory ID to be used instead of a pathname being assigned in advance to the directory;
play list recording means of recording a play list of specifying order of reproducing the predetermined data stored in each of all or a part of the plurality of data files by using the directory ID, in a play list file for storing the play list and held by the recording medium;
directory list information file recording means of recording a directory table showing a correspondence between the directory ID and a directory name of the directory, in a directory list information file held by the recording medium for storing the directory table; and
data reproducing means of reproducing the predetermined data by using the order specified by the recorded play list,
wherein management of the play list is performed by using a file name of a data file and the directory ID of the directory to which the data file belongs, and
wherein all or a part of the directory table is stored in the play list file.