Inventor

VIRETTE DAVID

DE44 patents

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

VIRETTE DAVID

HUAWEI TECH CO LTD

Method and apparatus for providing speech coding coefficients using re-sampled coefficients

Method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal

Method for determining an encoding parameter for a multi-channel audio signal and multi-channel audio encoder

Method and an apparatus for voice quality enhancement (VQE) for detection of VQE in a receiving signal using a guassian mixture model

Method for inter-channel difference estimation and spatial audio coding device

Portable electronic device

Method and device for reconstructing a target signal from a noisy input signal

Method for parametric spatial audio coding and decoding, parametric spatial audio coder and parametric spatial audio decoder

Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal

Audio rendering system

System and method for audio coding and decoding

Portable electronic device with directional microphones for stereo recording

Parametric encoder for encoding a multi-channel audio signal

Method for rendering a stereo signal

Multi-channel audio encoder and method for encoding a multi-channel audio signal

Audio signal synthesizer

Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal

Method and apparatus for generating and restoring downmixed signal

Method and apparatus for processing a multi-channel audio signal

VIRETTE DAVID

Allocation of bits in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital audio signals

Binaural spatialization of compression-encoded sound data utilizing phase shift and delay applied to each subband

Concealment of transmission error in a digital audio signal in a hierarchical decoding structure

Reconstruction of multi-channel audio data

Attenuation of overvoicing, in particular for the generation of an excitation at a decoder when data is missing

Coding/decoding of digital audio signals

FRANCE TELECOM

Dimensional vector and variable resolution quantization

Hierarchical encoding/decoding device

Device and method for encoding by principal component analysis a multichannel audio signal

Optimized multiple coding method

Device and method for graduated encoding of a multichannel audio signal based on a principal component analysis

PHILIPPE PIERRICK

Critical sampling encoding with a predictive encoder

Method for updating an encoder by filter interpolation

Transform-based coding/decoding, with adaptive windows

Filtering in the transformed domain

Adaptive linear predictive coding/decoding

JAILLET FLORENT

Encoding of multichannel digital audio signals

Advanced encoding of multi-channel digital audio signals

Spatial synthesis of multichannel audio signals

KOVESI BALAZS

Low-delay transform coding using weighting windows

Method for limiting adaptive excitation gain in an audio decoder

RAGOT STEPHANE

Method for switching rate and bandwidth scalable audio decoding rate

PALLONE GREGORY

Joint sound synthesis and spatialization

EMERIT MARC

Method and device for efficient binaural sound spatialization in the transformed domain

FALLER CHRISTOF

Method for determining a stereo signal