Inventor

WU WENHAI

CN22 patents

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

WU WENHAI

HUAWEI TECH CO LTD

Method and apparatus for switching speech or audio signals

Point cloud encoding method and decoding method using rotation matrixes, encoder, and decoder

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

Stereo decoding method and apparatus using group delay and group phase parameters

Method and apparatus for generating sideband residual signal

Fixed codebook search method and searcher

Fixed codebook search method and searcher

Method and apparatus for encoding stereo phase parameter

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

WU WENHAI

Stereo coding method and apparatus

Stereo decoding method and apparatus

Method and apparatus for estimating interchannel delay of sound signal

Method for estimating inter-channel delay and apparatus and encoder thereof

Stereo encoding method and apparatus

LANG YUE

Multi-channel signal encoding and decoding method, apparatus, and system

Method, apparatus, and system for encoding and decoding multi-channel signals

Stereo encoding method, stereo encoding device, and encoder

ZHANG DEJUN

Coding method, encoder, and computer readable medium that uses one of multiple codebooks based on a type of input signal

MIAO CHANGXI

Catalyst for the oxidative dehydrogenation of butene to butadiene and preparation process thereof

LIU ZEXIN

Method and apparatus for switching speech or audio signals

MIAO LEI

Stereo signal down-mixing method, encoding/decoding apparatus and encoding and decoding system