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Dive into the research topics where Haekwang Park is active.

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Featured researches published by Haekwang Park.


international conference on consumer electronics | 2012

Stability-improved higher order delta-sigma modulator for Hi-Fi docking audio system

Jaeyong Cho; Jungmin Choi; Haekwang Park; Yongje Kim

In this paper, stability improved higher order deltasigma modulator (DSM) with an additional noise transfer function (NTF) for stability compensation is proposed. The 7th order single-loop 1-bit DSM was designed and it achieves signal-to-noise ratio (SNR) of 119 dB over 44.1kHz and 0.9 of maximum input level.


international conference on consumer electronics | 2011

Power control management for home appliance system

Han-Ki Kim; Haekwang Park

In this paper, a high efficiency and low distortion switching power amplifier is proposed. When the proposed method is applied to existing Home Theater System1, the switching amplifiers efficiency is improved 3 times more than before with 1W audio output and the power reduction is achieved up to 33% with 1W audio output. The proposed power control management achieves high efficiency without audio quality degradation.


Journal of the Acoustical Society of America | 2013

Method and apparatus for controlling power supply of audio amplifier

Han-Ki Kim; Haekwang Park


Journal of The Audio Engineering Society | 2012

A Delta-Sigma Modulator Using Dual NTF for 1-Bit Digital Switching Amplifier

Jungmin Choi; Jaeyong Cho; Haekwang Park


Archive | 2017

METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL BASED ON SPEAKER LOCATION INFORMATION

Dong-hyun Lim; Yoon-jae Lee; Haekwang Park; Seung-kwan Yoo; Eunmi Oh; Jae-youn Cho


Archive | 2016

AUDIO SIGNAL PROCESSING METHOD AND AUDIO SIGNAL PROCESSING APPARATUS

Byeong-geun Cheon; Han-Ki Kim; Haekwang Park; Young-suk Song; Eunmi Oh; Dong-hyun Lim; Jae-youn Cho; Joon-ho Son


Archive | 2018

HAUT-PARLEUR À AIMANT PLAN

Dong-hyun Lim; Dong-Kyu Park; Haekwang Park; Joon-ho Son; Dong-Hyun Jung; Han-Ki Kim; Young-suk Song


Archive | 2016

Method and apparatus for processing audio signals on basis of speaker information

이윤재; Yoon-jae Lee; 김창용; Chang-Yeong Kim; 오은미; Eunmi Oh; 김선민; Sunmin Kim; 박해광; Haekwang Park; 장지호; Jiho Chang; 조재연; Jae-youn Cho; 황선호; Seon-Ho Hwang


Journal of The Audio Engineering Society | 2013

A Computationally Efficient Behavioral Model of the Nonlinear Devices

Jaeyong Cho; Hanki Kim; Seungkwan Yu; Haekwang Park; Youngoo Yang


Journal of The Audio Engineering Society | 2013

The Audio Performance Comparison and Method of Designing Switching Amplifiers Using GaN FET

Jae-Cheol Lee; Haejong Kim; Kee-yeong Cho; Haekwang Park

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Jaeyong Cho

Sungkyunkwan University

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