公开(公告)号：US10068579B2

公开(公告)日：2018-09-04

申请号：US14758642

申请日：2014-01-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jeong Il Seo ,  Seung Kwon Beack ,  Dae Young Jang ,  Kyeong Ok Kang ,  Tae Jin Park ,  Yong Ju Lee ,  Keun Woo Choi ,  Jin Woong Kim

IPC: H04R5/00 ,  G10L19/008 ,  H04S3/00

Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.

公开(公告)号：US09954921B2

公开(公告)日：2018-04-24

申请号：US14590211

申请日：2015-01-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee

IPC: H04L29/06

CPC classification number: H04L65/602 ,  H04L65/80

Abstract: Disclosed is a rate-adaptive data stream management system (DSMS) which is a precedence task, which has a descendent task, and a plurality of data channels and a plurality of feedback channels, the system including: a feedback analyzer which analyzes a control command transmitted from the descendent task; and a data channel selector which controls transmission of a data stream through the data channel with the descendent task based on the analysis result.

公开(公告)号：US12231864B2

公开(公告)日：2025-02-18

申请号：US18526897

申请日：2023-12-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee ,  Jeong Il Seo ,  Seung Kwon Beack ,  Kyeong Ok Kang ,  Jin Woong Kim ,  Jae Hyoun Yoo

IPC: H04S3/00 ,  G10L19/008 ,  G10L21/0316

Abstract: 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.

公开(公告)号：US12212949B2

公开(公告)日：2025-01-28

申请号：US18090090

申请日：2022-12-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae-hyoun Yoo ,  Kyeongok Kang ,  Yong Ju Lee ,  Dae Young Jang

IPC: H04S3/00

Abstract: 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.

公开(公告)号：US11882425B2

公开(公告)日：2024-01-23

申请号：US17681429

申请日：2022-02-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Dae Young Jang ,  Kyeongok Kang ,  Jae-hyoun Yoo ,  Yong Ju Lee ,  Tae Jin Lee

IPC: H04S7/00 ,  H04S3/00

CPC classification number: H04S7/303 ,  H04S3/008 ,  H04S2400/01 ,  H04S2400/03 ,  H04S2400/13

Abstract: A method and apparatus for rendering a volume sound source are disclosed. The method of rendering a volume sound source may include identifying information about a listener and information about the volume sound source, determining a corresponding area in which a source element is disposed in the volume sound source in consideration of the information about the listener, determining an angle between the listener and the corresponding area based on the information about the listener and the information about the volume sound source, determining a number of source elements disposed in the corresponding area according to the angle, determining a position and a gain of the source element using i) the number of source elements and ii) a distance between the listener and the volume sound source, and rendering the volume sound source according to the position and the gain of the source element.

公开(公告)号：US11682402B2

公开(公告)日：2023-06-20

申请号：US17201943

申请日：2021-03-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee ,  Jeong Il Seo ,  Jae Hyoun Yoo ,  Seung Kwon Beack ,  Jong Mo Sung ,  Tae Jin Lee ,  Kyeong Ok Kang ,  Jin Woong Kim ,  Tae Jin Park ,  Dae Young Jang ,  Keun Woo Choi

IPC: G10L19/008 ,  H04S7/00

CPC classification number: G10L19/008 ,  H04S7/00 ,  H04S7/30 ,  H04S2400/01 ,  H04S2400/03

Abstract: Disclosed is a binaural rendering method and apparatus for decoding a multichannel audio signal. The binaural rendering method may include: extracting an early reflection component and a late reverberation component from a binaural filter; generating a stereo audio signal by performing binaural rendering of a multichannel audio signal base on the early reflection component; and applying the late reverberation component to the generated stereo audio signal.

公开(公告)号：US11405738B2

公开(公告)日：2022-08-02

申请号：US16703226

申请日：2019-12-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee ,  Jeong Il Seo ,  Seung Kwon Beack ,  Kyeong Ok Kang ,  Jin Woong Kim ,  Jae Hyoun Yoo

IPC: H04S3/00 ,  G10L19/008

Abstract: 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.

公开(公告)号：US11310615B2

公开(公告)日：2022-04-19

申请号：US16747372

申请日：2020-01-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seung Kwon Beack ,  Tae Jin Lee ,  Jong Mo Sung ,  Kyeong Ok Kang ,  Jeong Il Seo ,  Dae Young Jang ,  Yong Ju Lee ,  Jin Woong Kim

IPC: H04S3/00 ,  G10L19/008

Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.

公开(公告)号：US10796707B2

公开(公告)日：2020-10-06

申请号：US16199987

申请日：2018-11-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Yong Ju Lee ,  Tae Jin Lee ,  Jae-Hyoun Yoo ,  Kyeongok Kang ,  Jin Woong Kim ,  Chieteuk Ahn

IPC: H04L12/701 ,  G10L19/16 ,  H04N7/52 ,  H04N21/2343 ,  H04N21/235 ,  H04N21/236 ,  H04N21/434 ,  H04N21/435 ,  H04N21/439 ,  H04N21/6547 ,  H04N21/81 ,  G10L19/008 ,  G10L19/26 ,  H04H20/95

Abstract: The present invention relates to a system for transmitting and receiving audio, particularly, to a method and apparatus for transmitting and receiving of object-based audio contents, which packetizes audio objects having the same characteristic.To achieve the above, the present invention includes filtering a plurality of ESs according to common information, adding a packet header to the respective filtered ESs and generate ES packets, aggregating all the generated ES packets and then adding a multi-object packet header to the aggregated ES packets to generate an object packet, and multiplexing the generated object packet, packetizing the multiplexed object packet according to a transmitting media and transmitting the packetized object packet.

公开(公告)号：US10511925B2

公开(公告)日：2019-12-17

申请号：US16126466

申请日：2018-09-10

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee ,  Jeong Il Seo ,  Seung Kwon Beack ,  Kyeong Ok Kang ,  Jin Woong Kim ,  Jae Hyoun Yoo

IPC: H04S3/00 ,  G10L19/008

Abstract: 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.