Apparatus and method for storing and reading a file having a media data container and metadata container

US8462946B2 · kind B2 · utility

Assignee

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Stefan Doehla · Erlangen, DE
• Stefan Kraegeloh · Erlangen, DE
• Nikolaus Faerber · Erlangen, DE
• Harald Fuchs · Eisenberg (Pfalz), DE

Key dates

• Filing date: Jul 1, 2008
• Grant date: Jun 11, 2013
• Expiry date: Dec 15, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G11B20/00731
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

An apparatus for recording a file having a related media data container and a metadata container, the apparatus a receiver for receiving first data packets having packetized first media data samples based on a first clock, and for receiving second data packets having second media data samples based on a second clock different from the first clock, wherein the second media data samples are associated to the first media data samples, and for receiving first control packets including information for indicating a relationship of the first clock to a reference clock and for receiving second control packets including information for indicating a relationship of the second clock to the reference clock, and a recorder for storing the received first and second data packets and at least a portion of the received first and second control packets in the media data container, and for storing associated metadata in the metadata container, the associated metadata having timing information of the received first and second data packets and the received first and second control packets and location information indicating a location of the stored first and second data packets and the stored first and…