Inventor

KRAEGELOH STEFAN

DE30 patents

⚠️ This page may combine multiple inventors who share the name “KRAEGELOH STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRAEGELOH STEFAN

FRAUNHOFER GES FORSCHUNG

Apparatus for checking audio signal processing systems

Audio splicing concept

Decoder for decoding a media signal and encoder for encoding secondary media data comprising metadata or control data for primary media data

Audio splicing concept

Audio splicing concept

Audio splicing concept

Audio splicing concept

Decoder for decoding a media signal and encoder for encoding secondary media data comprising metadata or control data for primary media data

Direction of arrival estimation using watermarked audio signals and microphone arrays

Device and method for detecting a manipulation of an information signal

Watermark generator, watermark decoder, method for providing a watermarked signal based on discrete valued data and method for providing discrete valued data in dependence on a watermarked signal

Source devices, sink devices, methods and computer programs

Receiver for receiving a data stream having first and second reference entries and method for operating the same

WABNIK STEFAN

Watermark signal provision and watermark embedding

Watermark generator, watermark decoder, and method for providing binary message data

Watermark decoder and method for providing binary message data

Watermark generator, watermark decoder, method for providing a watermark signal in dependence on binary message data, method for providing binary message data in dependence on a watermarked signal and computer program using a differential encoding

FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V

Transport of an object across a surface

Watermark generator, watermark decoder, method for providing a watermarked signal based on discrete valued data and method for providing discrete valued data in dependence on a watermarked signal

Position determination of an object by sensing a position pattern by an optical sensor

DOEHLA STEFAN

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

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

GRILL BERNHARD

Embedder for embedding a watermark into an information representation, detector for detecting a watermark in an information representation, method and computer program

Embedder for embedding a watermark into an information representation, detector for detecting a watermark in an information representation, method and computer program and information signal

GREEVENBOSCH BERT

Device and method for digital rights management

Device and method for a backup of rights objects

KRAEGELOH STEFAN

Transport of an object across a surface

KULESSA RALPH

Device and method for detecting a manipulation of an information signal

ZITZMANN REINHARD

Watermark signal provider and method for providing a watermark signal

BARTEL-KURZ BIRGIT

Concept of efficiently distributing access authorization information