Inventor

HELMRICH CHRISTIAN

DE154 patents

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

HELMRICH CHRISTIAN

FRAUNHOFER GES FORSCHUNG

Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction

Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

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

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency

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

Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals

Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction

Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

Apparatus and method for processing an audio signal using a harmonic post-filter

Apparatus and method realizing improved concepts for TCX LTP

Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm

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

Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal

Noise filling without side information for CELP-like coders

Apparatus and method for processing an audio signal using a harmonic post-filter

Low-frequency emphasis for LPC-based coding in frequency domain

Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals

Apparatus and method for encoding or decoding an audio signal using a transient-location dependent overlap

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 encoding and decoding an encoded audio signal using temporal noise/patch shaping

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

Apparatus and method for processing an audio signal using a harmonic post-filter

Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm

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

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band

Apparatus for decoding an encoded audio signal with frequency tile adaption

Noise filling without side information for CELP-like coders

Frequency-domain audio coding supporting transform length switching

Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework

Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension

Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal

Low-complexity tonality-adaptive audio signal quantization

Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V

Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension

Linear prediction based coding scheme using spectral domain noise shaping

Noise filling in perceptual transform audio coding