Inventor

OH KWANG-CHEOL

KR29 patents

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

OH KWANG-CHEOL

SAMSUNG ELECTRONICS CO LTD

Sound source signal filtering method based on calculated distances between microphone and sound source

Method and apparatus for measuring sound source distance using microphone array

Sound source signal filtering apparatus based on calculated distance between microphone and sound source

Voice region detection apparatus and method with color noise removal using run statistics

Apparatus and method for detecting voice activity period

Sound source signal filtering apparatus based on calculated distance between microphone and sound source

Formant frequency estimation method, apparatus, and medium in speech recognition

Method and apparatus for normalizing voice feature vector by backward cumulative histogram

Method and apparatus for detecting voice region

KIM KYU-HONG

Method and apparatus for canceling noise from sound input through microphone

Apparatus and method for noise estimation, and noise reduction apparatus employing the same

Method and apparatus for canceling noise from mixed sound

Appratus and method for preventing noise

Apparatus and method of detecting target sound

Apparatus for gain calibration of a microphone array and method thereof

JEONG SO-YOUNG

Method and apparatus of transforming speech feature vectors using an auto-associative neural network

Multi-stage speech recognition apparatus and method

Method, medium, and apparatus for extracting target sound from mixed sound

Sound zooming apparatus and method synchronized with moving picture zooming function

Sound zoom method, medium, and apparatus

Method, medium, and apparatus for extracting target sound from mixed sound

OH KWANG-CHEOL

Method and apparatus for acquiring multi-channel sound by using microphone array

Apparatus and method for enhancing audio quality using non-uniform configuration of microphones

JEONG JAE-HOON

Microphone array apparatus having hidden microphone placement and acoustic signal processing apparatus including the same

Apparatus and method for restoring voice

OH KWANG CHEOL

Method and apparatus for detecting pitch by using spectral auto-correlation

Method and apparatus for detecting pitch by using subharmonic-to-harmonic ratio

SAMSUNG ELECTRONICS CO INC

Voicing estimation method and apparatus for speech recognition by using local spectral information

KIM KYUHONG

Apparatus and method for automatic gain control using phase information