| US 7,574,113 B2 | ||
| Video and audio data recording apparatus, video and audio data recording method, video and audio data reproducing apparatus, and video and audio data reproducing method | ||
| Daizoh Nagahara, Tokyo (Japan); Thomas Luther, Sunnyvale, Calif. (US); Hiroaki Eto, Tokyo (Japan); Kanchan Ranade, Mountain View, Calif. (US); David Wang, Los Altos, Calif. (US); and Tetsuya Yamamoto, Tokyo (Japan) | ||
| Assigned to Sony Corporation, Tokyo (Japan); and Sony Electronics Inc., Park Ridge, N.J. (US) | ||
| Filed on Apr. 07, 2003, as Appl. No. 10/408,709. | ||
| Claims priority of provisional application 60/380089, filed on May 06, 2002. | ||
| Prior Publication US 2003/0231870 A1, Dec. 18, 2003 | ||
| Int. Cl. H04N 5/91 (2006.01) | ||
| U.S. Cl. 386—98 | 19 Claims |
| 1. A video and audio data recording apparatus for recording on a recording medium a video and audio source having a multiplexing
format, the apparatus comprising:
recording starting means for starting the recording of the video and audio source in response to a command identifying the
multiplexing format of said video and audio source;
signal separating means for separating video data, audio data and video and audio data synchronizing information included
in said multiplexed data in accordance with said identified multiplexing format;
video abstract data generating means for generating data of an abstracted video format from the separated video data;
audio abstract data generating means for generating data of an abstracted audio format from the separated audio data;
packing means for packing the abstracted video and audio data independent of the multiplexing format of said video and audio
source;
data management table generating means for generating from the packed video and audio data and from the video and audio data
synchronizing information a data management table for managing the packed video and audio data and the video and audio data
synchronizing information, said data management table including size, reproduction start time and identification of the location
on said medium of said packed video and audio data;
recording medium management table generating means for generating a recording medium management table for identifying each
video and audio source to be recorded on a said recording medium; and
recording means for recording as a group the packed video and audio data and the data and recording medium management tables.
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