Robert Boschgmbh

Jens Maier

Holger Zimmermann

Volker Becker

Dieter Baas

Thomas Freitag

A method for performing a track skip and a playback device for optical storage disks enable an accelerated track skip in the case of a non-moving storage disk in which a time is determined for the track skip of a read device between a current track and a selected track of a storage disk inserted in the playback device, as a function of the tracks to be skipped in this instance, and the read device is moved in the direction of the selected track for the determined time. In response to a track skip request, the read device is moved in the direction of a lead-in area of the optical storage disk until a starting position is detected. The time necessary for the track skip from starting position to the selected track is determined from this track.

Method and a playback device for performing a track slip

A method for playing a recording medium, in particular an optical storage disc, used to access titles more quickly. Stored in a run-in area of the recording medium is at least one address area that includes at least one address of a beginning of a title stored on the recording medium. The recording medium is played in a player having a read device. When the at least one address area is read out, the at least one address of a title beginning is converted to a start time of exactly one time unit and stored in a memory, with the start time corresponding approximately to the playing time of the recording medium up to the addressed title beginning. To position the read device at the beginning of the title, the track jump time is calculated directly from the corresponding start time stored in the memory.

Method for playing back recording medium

A playback device for disk-shaped recording media is proposed, which makes it possible to skip over storage data groups on audio disks. The playback device includes a scanning device and a device for evaluating content data recorded in a start-up area on the recording medium. The recording medium inserted in the playback device is recognized as a storage disk or as an audio disk, depending on the evaluation of the content data. In the event that a storage disk is recognized, a playback process is terminated, and in the event an audio disk is recognized, the scanning device skips to a just addressed title of the audio disk. The scanning device, during the playback of a title of the audio disk, scans coded supplemental information data recorded with respect to this title. The evaluation device, on the basis of the supplemental information, recognizes whether the title just played is an audio data group or a storage data group. In the event that a storage data group is recognized, the scanning device skips to a different title.

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Giessen, Germany

Jens Maier