公开(公告)号：US20240233746A9

公开(公告)日：2024-07-11

申请号：US18489764

申请日：2023-10-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Dae Young JANG ,  Kyeongok KANG ,  Jae-hyoun YOO ,  Yong Ju LEE

IPC: G10L25/18 ,  H04B17/318

CPC classification number: G10L25/18 ,  H04B17/318

Abstract: An audio rendering method and an electronic device performing the same are disclosed. The disclosed audio rendering method includes determining an air absorption attenuation amount of an audio signal based on a recording distance included in metadata of the audio signal and a source distance between a sound source of the audio signal and a listener; and rendering the audio signal based on the air absorption attenuation amount.

公开(公告)号：US20220210596A1

公开(公告)日：2022-06-30

申请号：US17526284

申请日：2021-11-15

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae-hyoun YOO ,  Yong Ju LEE ,  Dae Young JANG ,  Kyeongok KANG

IPC: H04S7/00

Abstract: Disclosed is a method and apparatus for processing an audio signal based on an extent sound source. The method includes identifying information on a reference area of the extent sound source and information on a position of a listener, determining a position of a virtual sound source within the extent sound source based on a relationship between the position of the listener and the reference area of the extent sound source, and rendering an audio signal based on the determined position of the virtual sound source, wherein the reference area may be determined based on a position and a size of the extent sound source.

公开(公告)号：US20190253823A1

公开(公告)日：2019-08-15

申请号：US15984490

申请日：2018-05-21

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dae Young JANG ,  Yong Ju LEE ,  Jae-hyoun YOO ,  Sang Won SUH

IPC: H04S7/00

CPC classification number: H04S7/30 ,  H04S2400/01

Abstract: Provided is a stereophonic sound reproducing apparatus that applies a multi-rendering scheme to a channel sound signal and an object sound signal to enhance a stereophonic effect. A stereophonic sound reproducing method performed by the stereophonic sound reproducing apparatus may include receiving a channel sound signal based on a channel, an object sound signal based on an object, and metadata, and reproducing the channel sound signal based on a preset rendering scheme and reproducing, based on the metadata including a rendering scheme determined using the object sound signal, each object sound signal using the determined rendering scheme.

公开(公告)号：US20190096417A1

公开(公告)日：2019-03-28

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

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：US20160293171A1

公开(公告)日：2016-10-06

申请号：US15051232

申请日：2016-02-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seung Kwon BAECK ,  Tae Jin PARK ,  Jong Mo SUNG ,  Yong Ju LEE ,  Tae Jin LEE ,  Jin Soo CHOI

IPC: G10L19/018 ,  G10L21/0232 ,  G10L19/06

CPC classification number: G10L19/018

Abstract: Methods and apparatuses for hiding and extracting data based on a pilot code sequence are provided. A data hiding method may include converting an input audio signal to a frequency domain, distorting phase information of the audio signal converted to the frequency domain based on a pilot code sequence representing data to be hidden, and converting the audio signal with the distorted phase information to a time domain and transmitting the audio signal converted to the time domain. The pilot code sequence may be a set of phase values corresponding to a bit value “0” or “1” of data.

Abstract translation: 提供了基于导频代码序列隐藏和提取数据的方法和装置。 数据隐藏方法可以包括：将输入音频信号转换为频域，根据表示要隐藏的数据的导频代码序列，将转换到频域的音频信号的相位信息失真，以及用失真相位信息转换音频信号 发送到时域，并发送转换为时域的音频信号。 导频代码序列可以是对应于数据的位值“0”或“1”的一组相位值。

公开(公告)号：US20150371645A1

公开(公告)日：2015-12-24

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: G10L19/008 ,  H04S7/00

CPC classification number: 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.

Abstract translation: 公开了一种用于控制信道信号的编码/解码装置和方法，其中编码装置可以包括对目标信号进行编码的编码器，信道信号和用于信道信号的渲染信息，以及比特流生成器， 比特流，编码对象信号，编码信道信号和用于信道信号的编码渲染信息。

公开(公告)号：US20150066518A1

公开(公告)日：2015-03-05

申请号：US14477498

申请日：2014-09-04

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: G10L19/00

CPC classification number: H04S3/008 ,  G10L19/008 ,  H04S2420/03

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.

Abstract translation: 提供了对包含对象声音，背景声音和元数据的混合内容进行编码的音频编码装置和方法，以及对编码的混合内容进行解码的音频解码装置和方法。 音频编码装置可以包括：混合单元，用于通过混合背景声音和对象声音来生成中间声道信号;矩阵信息编码单元，对用于混合的矩阵信息进行编码;音频编码单元，对中间声道信号进行编码; 以及元数据编码单元，用于编码包括对象声音的控制信息的元数据。

公开(公告)号：US20240135953A1

公开(公告)日：2024-04-25

申请号：US18489764

申请日：2023-10-17

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Dae Young JANG ,  Kyeongok KANG ,  Jae-hyoun YOO ,  Yong Ju LEE

IPC: G10L25/18 ,  H04B17/318

CPC classification number: G10L25/18 ,  H04B17/318

Abstract: An audio rendering method and an electronic device performing the same are disclosed. The disclosed audio rendering method includes determining an air absorption attenuation amount of an audio signal based on a recording distance included in metadata of the audio signal and a source distance between a sound source of the audio signal and a listener; and rendering the audio signal based on the air absorption attenuation amount.

公开(公告)号：US20230345197A1

公开(公告)日：2023-10-26

申请号：US18304257

申请日：2023-04-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju LEE ,  Jae-hyoun YOO ,  Dae Young JANG ,  Kyeongok KANG ,  Soo Young PARK ,  Tae Jin LEE ,  Young Ho JEONG

IPC: H04S7/00

CPC classification number: H04S7/303 ,  H04S7/307 ,  H04S2400/11 ,  H04S2400/13

Abstract: A method of rendering object-based audio and an electronic device for performing the method are disclosed. The method includes identifying metadata of the object-based audio, determining whether the metadata includes a parameter set for an atmospheric absorption effect for each distance, and rendering the object-based audio, using a distance between the object-based audio and a listener obtained using the metadata and the atmospheric absorption effect according to an effect of a medium attenuation based on the parameter, when the metadata includes the parameter.

公开(公告)号：US20230171559A1

公开(公告)日：2023-06-01

申请号：US17992036

申请日：2022-11-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae-hyoun YOO ,  Kyeongok KANG ,  Yong Ju LEE ,  Dae Young JANG

IPC: H04S7/00

CPC classification number: H04S7/303 ,  H04S2400/11

Abstract: Provided is an acoustic signal processing device for a spatially extended sound source and a method thereof. The acoustic signal processing device includes a memory configured to store instructions, and a processor electrically connected to the memory and configured to execute the instructions. When the instructions are executed by the processor, the processor performs a plurality of operations, and the plurality of operations includes transforming an object provided as a spatially extended sound source into a cuboid in a virtual reality (VR) space, obtaining coordinates of the cuboid, and determining a position of a sound source of the object based on the coordinates of the cuboid and coordinates of a user in the VR space.