Electronics and Telecommunications Research Institute

Lg Chem, Ltd

Lg Energy Solution, Ltd.

Ulsan National Institute of Science and Technology

National University of Sciences & Technology

Korea Advanced Institute of Science and Technology

Chung Ang University Industry Academic Cooperation

Dongguk University Industry-academic Cooperation Foundation

Unist-academy Industry Research Corporation

Sj Materials Co., Ltd.

Etri

Yong Ju Lee

Eun Kyung Kim

Jin Woong Kim

Dae Young Jang

Tae Jin Lee

Je Young Kim

Kyeong Ok Kang

Seung Kwon Beack

Jeong Il Seo

Rae Hwan Jo

Dong Hyuk Kim

Jae-hyoun Yoo

Kyeongok Kang

Su Min Lee

Tae Jin Park

Jae Hyoun Yoo

Jong Mo Sung

Yoon Ah Kang

Jung Woo Yoo

Sun Young Shin

Chieteuk Ahn

Jin Soo Choi

Chie Teuk Ahn

Yong Ju Cho

Wang Mo Jung

Jin Woo Hong

Oh Byong Chae

Ji-Hoon Choi

Ye Ri Kim

Jun Hyuk Song

Min Soo Kim

Chul Haeng Lee

Ki Hwan Kim

Hye Jin Kim

Seok Koo Kim

Hong Kyu Park

Sang Wook Woo

Byung Chun Park

Jae Hyun Lee

Sang Wook Kim

Jeongil Seo

Jung Keun Kim

Ki Young Lee

Won Jong Kwon

Ki Tae Kim

Mi Young Lee

In Sung Uhm

Sang Choll Han

Jung Hyun Choi

Se Mi Park

Hyun Chul Kim

Mi Rim Lee

Keun Woo Choi

Il Geun Oh

Hye Ran Jung

Su Jin Park

Jae Phil Cho

Seung Youn Choi

Jung In Lee

Ok Gee Min

Soo Jin Park

Ji Hun Cha

Dong Sub Jung

Hag Young Kim

Seong Yong Lim

Myung Seok Ki

Han Nah Jeong

Cheol Hee Park

Ju Ho Chung

Han Ho Lee

Chang Soo Kim

Sang Yun Jung

Yo Han Kwon

Min-Sik Park

Jung Hyun Cho

Byung Kyu Lim

Myung Joon Kim

Mi Suk Lee

Hang Ah Park

Jin Hyong Lim

Tae Gon Kim

Ye Lin Kim

Young Jae Kim

Joo Myoung Seok

Hyun Wook Kim

Ryul Lee

Rehan Hafiz

Jang Wook Choi

Eung Don Lee

In Seon Jang

Su Kyoung Lee

Min Kwak

Won Seok Chang

Hoon Jeong

Kil Sun Lee

Bum Joo Shin

Jung Woo Choi

Hyeon Min Song

Sung Man Lee

An audio signal processing apparatus and an audio signal processing method are disclosed. The audio signal processing method performed by the audio signal processing apparatus includes determining whether a line of sight between a render item (RI) corresponding to an audio element and a listener is visible, based on a bitstream, in response to a case where the line of sight is invisible, generating an audio signal by rendering a diffraction-type RI corresponding to the RI, and outputting the audio signal.

Audio signal processing apparatus and audio signal processing method

A method and apparatus for processing acoustic spatial information are provided. The method of processing acoustic spatial information includes identifying at least one mesh disposed in an acoustic space, setting a minimum cuboid surrounding the mesh as a bounding box, and generating acoustic spatial information including information about the bounding box.

Method and apparatus for processing acoustic spatial information

Provided are a negative electrode, which includes a current collector and a negative electrode active material layer disposed on the current collector, wherein the negative electrode active material layer includes a conductive material, a negative electrode active material, and a binder, the negative electrode active material includes a silicon-based active material having a convexity of 0.8 or more as measured using a particle shape analyzer, and the convexity is defined by the following Formula 1, and a secondary battery including the negative electrode.Convexity()=Convex hull perimeter()/Actual perimeter()  [Formula 1]

Negative electrode and secondary battery including the same

Provided is a negative electrode active material which includes: a silicon-based core; and an outer coating layer formed on the silicon-based core and including polyimide, wherein the polyimide comprises a fluorine-containing imide unit. The outer coating layer may be included in an amount of more than 0 wt % and 4.5 wt % or less in the negative electrode active material.

Negative electrode active material, and negative electrode and secondary battery including the same

Provided is a method of processing mesh data for processing an audio signal for audio rendering in a virtual reality (VR) space. The method includes receiving mesh data defining geometry of a certain space and the mesh data includes data regarding three-dimensional (3D) coordinates of points for configuring spatial information of the certain space and processing the mesh data by identifying outermost points among the points.

Method of processing mesh data for processing audio signal for audio rendering in virtual reality space

The present invention relates to a negative electrode active material including a spherical carbon-based particle, and a carbon layer disposed on the spherical carbon-based particle and including a nano-particle, wherein the nano-particle has a silicon core, an oxide layer disposed on the silicon core and including SiO(0<x≤2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.

Negative electrode active material, negative electrode including the same, and secondary battery including the negative electrode

A negative electrode active material including a core containing SiO(0≤x<2) and a lithium-containing compound, and a shell disposed on the core and containing SiO(0≤x<2) and magnesium silicate.

Negative electrode active material, preparation method thereof, negative electrode including the negative electrode active material, and secondary battery including the negative electrode

The present invention relates to a negative electrode which includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes a silicon-based active material and a carbon-based active material, wherein a ratio of an average particle diameter (D) of the carbon-based active material to an average particle diameter (D) of the silicon-based active material is in a range of 2 to 8, and a porosity of the negative electrode is in a range of 48% to 62%.

A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte, wherein the positive electrode includes a positive electrode active material layer having a positive electrode active material containing an overlithiated manganese-based oxide represented by Formula 1 below, and the negative electrode includes a negative electrode active material layer having a silicon-based negative electrode active material,LiNiCoMnMO  [Formula 1]

Lithium secondary battery

A negative electrode and a lithium secondary battery include the negative electrode, wherein the negative electrode includes a metal current collector and a negative electrode active material layer including a negative electrode active material and metal nanowires and formed on the metal current collector. The negative electrode active material includes a silicon-based active material and a carbon-based active material, and the metal nanowires include one or more metals selected from the group consisting of copper, gold, nickel, cobalt, and silver.

Negative electrode and lithium secondary battery including same

The present invention relates to a silicon-carbon composite negative electrode active material, a negative electrode including the same, and a secondary battery, wherein the silicon-carbon composite negative electrode active material includes a core containing SiO(0≤X<2), a carbon layer covering at least a portion of the surface of the core, a carbon nanotube structure positioned on the carbon layer, and a polyvinylidene fluoride coating at least a portion of the carbon nanotube structure, wherein the carbon nanotube structure has a structure formed by arranging and bonding 2 to 5,000 single-walled carbon nanotube units side by side, and a portion of the carbon nanotube structure is bonded to the carbon layer.

Silicon-carbon composite negative electrode active material, negative electrode including silicon-carbon composite negative electrode active material, and secondary battery including negative electrode

Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.

Apparatus and method for processing multi-channel audio signal

Disclosed is an apparatus for immersive spatial audio modeling and rendering for effectively transmitting and playing immersive spatial audio content. The apparatus for immersive spatial audio modeling and rendering disclosed herein may model a spatial audio scene, generate and transmit parameters necessary for spatial audio rendering, and generate various spatial audio effects using the spatial audio parameters, to provide an immersive three-dimensional (3D) audio source coinciding with visual experience in a virtual reality space in response to free changes in the position and direction of a remote user in the space.

Apparatus for immersive spatial audio modeling and rendering

Provided is a method of reproducing an ambisonic signal in a virtual reality (VR) space. The ambisonic signal reproduction method may include receiving an ambisonic signal, mapping the ambisonic signal to channels localized on a sphere according to an equivalent spatial domain (ESD) standard corresponding to an order of the ambisonic signal, and performing a sound field reproduction in the VR space based on the channels localized on the sphere.

Method and apparatus for ambisonic signal reproduction in virtual reality space

Disclosed is a method of manufacturing a negative electrode, wherein a negative electrode structure is electrochemically charged while being pressed with a plurality of pre-lithiation rolls in performing pre-lithiation of the negative electrode structure by a roll-to-roll method, and here, the pressing pressures of the plurality of pre-lithiation rolls are increased in a movement direction of the negative electrode structure. Since the pressing pressures are increased in the movement direction of the negative electrode structure, volume expansion, structural deformation, and damage to an active material due to the pre-lithiation may be prevented, and at the same time, the pre-lithiation may be performed uniformly, and thus it is preferable for improving lifespan characteristics of a negative electrode.

Method of manufacturing negative electrode

Growing community of inventors

Daejeon, South Korea

Yong Ju Lee