Electronics and Telecommunications Research Institute

Sejong University

Kwangwoon University Research Institute for Industry Cooperation

Kwangwoon University Industry-academic Collaboration Foundation

Korea Telecom

Dimagic Co., Ltd.

Dae-Young Jang

Jin-Woong Kim

Jeong-Il Seo

Jin-Woo Hong

Seung-Kwon Beack

Tae-Jin Lee

In-Seon Jang

Kyeong-Ok Kang

Yong-Ju Lee

Dong-Gyu Sim

Chang-Beom Ahn

Yung-Lyul Lee

Seoung-Jun Oh

Jae-Gon Kim

Se-Yoon Jeong

Hae-Chul Choi

Kyung-Ae Moon

Dong-Kyun Kim

Dae-Yeon Kim

Jae-Hyoun Yoo

Kyeongok Kang

Chieteuk Ahn

Hwan Shim

Hyunjoo Chung

Chie-Teuk Ahn

Ho-Chong Park

Koeng-Mo Sung

Jun-Seok Lim

Jin Woo Hong

Young-cheol Park

Toshio Saito

Hareo Hamada

Chie-teuk Ahn

Jeong-II Seo

Min-Je Kim

Rin-Chul Kim

Seong-Jun Oh

Su-Yeol Jeon

Sueng-Kwon Beack

The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.

Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor

The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.

Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue

Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.

Apparatus and method for coding and decoding multi-object audio signal with various channel

Provided is a method and apparatus for generating a side information bitstream of a multi-object audio signal. The apparatus for generating a side information bitstream of a multi-object audio signal includes a spatial cue information input unit configured to receive spatial cue information generated in an encoder of the multi-object audio signal, a preset information input unit configured to receive preset information for the multi-object audio signal, and a side information bitstream generator configured to generate the side information bitstream based on the spatial cue information and the preset information. The side information bitstream includes a header region and a frame region, and the preset information is included in the frame region.

Method and apparatus for generating side information bitstream of multi-object audio signal

Provided is a system and method for transmitting/receiving an object-based audio. The system includes: a pre-processing unit for receiving an audio signal from diverse sources of outside and creating an object-based audio signal through a pre-processing procedure; an object-based audio editing unit for editing the object-based audio signal from the pre-processing unit and organizing an audio scene; an object-based audio coding unit for coding/multiplexing information on the object-based audio signal and the audio scene from the object-based audio editing unit and creating object-based audio contents; and a transmitting unit for transmitting the object-based audio contents from the object-based audio coding unit.

System and method for transmitting/receiving object-based audio

Provided are an apparatus and method for coding and decoding a multi object audio signal with multi channel. The apparatus includes: a multi channel encoding means for down-mixing an audio signal including a plurality of channels, generating a spatial cue for the audio signal including the plurality of channels, and generating first rendering information including the generated spatial cue; and a multi object encoding unit for down-mixing an audio signal including a plurality of objects, which includes the down-mixed signal from the multi channel encoding unit, generating a spatial cue for the audio signal including the plurality of objects, and generating second rendering information including the generated spatial cue, wherein the multichannel encoding unit generates a spatial cue for the audio signal including the plurality of objects regardless of a Coder-DECoder (CODEC) scheme the limits the multi channel encoding unit.

Apparatus and method for coding and decoding multi object audio signal with multi channel

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Daejon, South Korea

Dae-Young Jang