Apparatus for recording a main file and auxiliary files in a...

G - Physics – 11 – B

Patent

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Details

G11B 20/12 (2006.01) G11B 27/034 (2006.01) G11B 27/10 (2006.01) H04N 9/804 (2006.01) H04N 5/85 (2006.01) H04N 9/806 (2006.01) H04N 9/82 (2006.01)

Patent

CA 2500002

The invention relates to an apparatus for recording a main file comprising a main information signal and auxiliary files comprising auxiliary signals in a track on a record carrier. The apparatus writes in a first location a block of an auxiliary file comprising a part of an auxiliary information signal having a specific presentation time, in a second location a subsequent block of the corresponding auxiliary file and in at least one location between the first and second location at least one block of the main file comprising a part of the main information signal having a presentation time which corresponds to the presentation time of the auxiliary information signal to be written in the first location. In this way the respective files are interleaved written on the record carrier such that the jumping time between subsequent read actions is significantly reduced. This results in an increase of the effective read bit-rate of a playback device.

L'invention concerne un appareil d'enregistrement d'un fichier principal comprenant un signal d'information principal et de fichiers auxiliaires comprenant des signaux auxiliaires sur une piste d'un support d'enregistrement. Cet appareil enregistre au niveau d'un premier emplacement un bloc d'un fichier auxiliaire comprenant une partie d'un signal d'information auxiliaire ayant un temps de présentation spécifique, au niveau d'un second emplacement un bloc subséquent du fichier auxiliaire correspondant et au niveau d'au moins un emplacement se trouvant entre le premier et le second, au moins un bloc du fichier principal contenant une partie du signal d'information principal ayant un temps de présentation correspondant au temps de présentation du signal d'information auxiliaire enregistré au niveau du premier emplacement. Ainsi, les fichiers respectifs sont enregistrés de façon intercalée sur le support d'enregistrement de sorte que le temps de saut entre les actions de lecture subséquentes soient significativement réduites. Ceci résulte en une augmentation du débit binaire de lecture effectif d'un dispositif de lecture.

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