Inventor

SPERSCHNEIDER RALPH

DE56 patents

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

SPERSCHNEIDER RALPH

FRAUNHOFER GES FORSCHUNG

Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signal

Methods and devices for coding or decoding an audio signal or bit stream

Apparatus and method for improved signal fade out for switched audio coding systems during error concealment

Apparatus and method realizing improved concepts for TCX LTP

Apparatus and method for improved signal fade out in different domains during error concealment

Apparatus and method for improved signal fade out for switched audio coding systems during error concealment

Adaptive grouping of parameters for enhanced coding efficiency

Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder

Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words

Apparatus and method realizing improved concepts for TCX LTP

Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application

Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation

Apparatus and method for generating an error concealment signal using an adaptive noise estimation

Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information

Apparatus and method for error concealment in low-delay unified speech and audio coding

Entropy coding with compact codebooks

Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream

Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals

Apparatus and method for improved signal fade out in different domains during error concealment

Apparatus and method realizing improved concepts for TCX LTP

Apparatus and method for improved signal fade out for switched audio coding systems during error concealment

Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application

Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information

Apparatus and method for generating an error concealment signal using power compensation

Apparatus and method for generating an error concealment signal using an adaptive noise estimation

Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information

Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals

Apparatus and method for generating an adaptive spectral shape of comfort noise

Apparatus and method for generating an error concealment signal using an adaptive noise estimation

Apparatus and method for generating an error concealment signal using power compensation

Apparatus and method for generating an adaptive spectral shape of comfort noise

Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application

Method and device for generating a scalable data stream and method and device for decoding a scalable data stream with provision for a bit saving bank function

Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals

Apparatus and method for transmitting a sequence of data packets and decoder and apparatus for decoding a sequence of data packets

Decoder and decoding method selecting an error concealment mode, and encoder and encoding method

Audio transmitter processor, audio receiver processor and related methods and computer programs for processing an error protected frame

Decoder and decoding method for LC3 concealment including full frame loss concealment and partial frame loss concealment

Audio transmitter processor, audio receiver processor and related methods and computer programs

Apparatus and method for improved signal fade out in different domains during error concealment

Apparatus and method for producing a data stream and apparatus and method for reading a data stream

Device and method for concealing an error

SCHREINER STEPHAN

Apparatus and method for generating audio output signals using object based metadata

Apparatus and method for generating audio output signals using object based metadata

HILPERT JOHANNES

Apparatus and method for multi-channel parameter transformation

Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding

HERRE JUERGEN

Device and method for generating a coded multi-channel signal and device and method for decoding a coded multi-channel signal

SPERSCHNEIDER RALPH

Device and method for generating a multi-channel signal or a parameter data set

FRAUNHOFER GES ZUR FOERDERLING

Apparatus and method for producing a data stream and apparatus and method for reading a data stream

DOEHLA STEFAN

Method and encoder and decoder for sample-accurate representation of an audio signal