LexDanaLexDanabeta
Inventor

Ralph Sperschneider

Inventor
Ebermannstadt, DE

Overview

42→
Patents
2002–2020
Patent span
Physics
Primary field (CPC G)

Patents· 42 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G10Lprimary
G10LSpeech analysis techniques or speech synthesis51%
H03MCoding27%
H04SStereophonic systems8%
H04NPictorial communication, e.g. television4%
H04LTransmission of digital information, e.g. telegraphic communication3%
G06FElectric digital data processing1%
G10KSound-producing devices1%
H04BTransmission1%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers1%
H04WWireless communication networks1%
PatentTitleYear
10,867,613Apparatus and method for improved signal fade out in different domains during error concealment202010,854,208Apparatus and method realizing improved concepts for TCX LTP202010,733,997Apparatus and method for generating an error concealment signal using power compensation202010,679,632Apparatus and method for improved signal fade out for switched audio coding systems during error concealment202010,672,404Apparatus and method for generating an adaptive spectral shape of comfort noise202010,621,993Apparatus and method for generating an error concealment signal using an adaptive noise estimation202010,614,818Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information202010,607,614Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application202010,475,455Method and apparatus for obtaining spectrum coefficients for a replacement frame of an audio signal, audio decoder, audio receiver, and system for transmitting audio signals201910,224,041Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation201910,163,444Apparatus and method for generating an error concealment signal using an adaptive noise estimation201810,140,993Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information201810,096,322Audio decoder having a bandwidth extension module with an energy adjusting module20189,997,163Apparatus and method realizing improved concepts for TCX LTP20189,978,377Apparatus and method for generating an adaptive spectral shape of comfort noise20189,978,378Apparatus and method for improved signal fade out in different domains during error concealment20189,978,376Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application20189,916,833'Apparatus and method for improved signal fade out for switched audio coding systems during error concealment'20189,916,834'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'20189,384,739'Apparatus and method for error concealment in low-delay unified speech and audio coding'20169,324,332'Method and encoder and decoder for sample-accurate representation of an audio signal'20169,043,200'Adaptive grouping of parameters for enhanced coding efficiency'20158,824,688'Apparatus and method for generating audio output signals using object based metadata'20148,731,204'Device and method for generating a multi-channel signal or a parameter data set'20148,687,829'Apparatus and method for multi-channel parameter transformation'20148,385,366'Apparatus and method for transmitting a sequence of data packets and decoder and apparatus for decoding a sequence of data packets'20138,315,396'Apparatus and method for generating audio output signals using object based metadata'20128,180,061'Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding'20128,145,498'Device and method for generating a coded multi-channel signal and device and method for decoding a coded multi-channel signal'20128,046,236'Apparatus and method for producing a data stream and apparatus and method for reading a data stream'20117,991,610'Adaptive grouping of parameters for enhanced coding efficiency'20117,788,106'Entropy coding with compact codebooks'20107,526,432'Apparatus and method for producing a data stream and apparatus and method for reading a data stream'20097,516,230'Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder'20097,496,517'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'20097,454,353'Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream'20087,433,825'Apparatus and method for producing a data stream and apparatus and method for reading a data stream'20087,428,684'Device and method for concealing an error'20087,103,554'Method and device for generating a data flow from variable-length code words and a method and device for reading a data flow from variable-length code words'20067,003,448'Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signal'20066,975,254'Methods and devices for coding or decoding an audio signal or bit stream'20056,441,755'Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2020Patents assigned to FRAUNHOFER GES FORSCHUNG (40)· patent assignee history
2002–2015Based in Erlangen, DE· patent location history
2012–2016Patents assigned to SPERSCHNEIDER RALPH (9)· patent assignee history
2012–2015Patents assigned to HILPERT JOHANNES (5)· patent assignee history
2012–2015Patents assigned to LINZMEIER KARSTEN (4)· patent assignee history
2012–2014Patents assigned to HERRE JUERGEN (3)· patent assignee history
2012–2020Based in Ebermannstadt, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FRAUNHOFER GES FORSCHUNG402002–2020
SPERSCHNEIDER RALPHself92012–2016
HILPERT JOHANNES52012–2015
LINZMEIER KARSTEN42012–2015
HERRE JUERGEN32012–2014
Locations
LocationPatentsSpan
Ebermannstadt, DE262012–2020
Erlangen, DE162002–2015