公开(公告)号：US20200234718A1

公开(公告)日：2020-07-23

申请号：US16841428

申请日：2020-04-06

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

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：US20200154224A1

公开(公告)日：2020-05-14

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

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：US20190259399A1

公开(公告)日：2019-08-22

申请号：US16404334

申请日：2019-05-06

Applicant: Electronics and Telecommunications Research Institute ,  THE KOREA DEVELOPMENT BANK

Inventor： Seung Kwon BEACK ,  Tae Jin LEE ,  Jong Mo SUNG ,  Kyeong Ok KANG ,  Keun Woo CHOI

IPC: G10L19/00 ,  G10L19/008

Abstract: An audio encoding apparatus to encode an audio signal using lossless coding or lossy coding and an audio decoding apparatus to decode an encoded audio signal are disclosed. An audio encoding apparatus according to an exemplary embodiment may include an input signal type determination unit to determine a type of an input signal based on characteristics of the input signal, a residual signal generation unit to generate a residual signal based on an output signal from the input signal type determination unit, and a coding unit to perform lossless coding or lossy coding using the residual signal.

公开(公告)号：US20180301155A1

公开(公告)日：2018-10-18

申请号：US16011249

申请日：2018-06-18

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

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.

公开(公告)号：US20180060019A1

公开(公告)日：2018-03-01

申请号：US15803464

申请日：2017-11-03

Applicant: Electronics and Telecommunications Research Institute ,  NIPPON HOSO KYOKAI

Inventor： Jae Hyoun YOO ,  Tae Jin LEE ,  Kyeong Ok KANG ,  Kaoru WATANABE ,  Satoshi OODE ,  Ikuko SAWAYA

IPC: G06F3/16 ,  H04S3/00

CPC classification number: G06F3/16 ,  G06F3/165 ,  G10L19/008 ,  G10L19/167 ,  H04S3/008 ,  H04S2400/11

Abstract: An apparatus and method for generating audio data and an apparatus and method for playing audio data may be disclosed, in which the apparatus for playing the audio data may extract a descriptor related to a multichannel audio signal from a bitstream generated by the apparatus for generating the audio data, and play the multichannel audio signal, based on the extracted descriptor, and the descriptor may include information on an audio signal included in the multichannel audio signal.

公开(公告)号：US20170316786A1

公开(公告)日：2017-11-02

申请号：US15652055

申请日：2017-07-17

Applicant: Electronics and Telecommunications Research Institute ,  THE KOREA DEVELOPMENT BANK

Inventor： Seung Kwon BEACK ,  Tae Jin LEE ,  Jong Mo SUNG ,  Kyeong Ok KANG ,  Keun Woo CHOI

IPC: G10L19/00 ,  G10L19/008 ,  G10L19/02 ,  G10L19/22 ,  G10L19/002

CPC classification number: G10L19/0017 ,  G10L19/002 ,  G10L19/008 ,  G10L19/0212 ,  G10L19/22

Abstract: An audio encoding apparatus to encode an audio signal using lossless coding or lossy coding and an audio decoding apparatus to decode an encoded audio signal are disclosed. An audio encoding apparatus according to an exemplary embodiment may include an input signal type determination unit to determine a type of an input signal based on characteristics of the input signal, a residual signal generation unit to generate a residual signal based on an output signal from the input signal type determination unit, and a coding unit to perform lossless coding or lossy coding using the residual signal.

公开(公告)号：US20160351201A1

公开(公告)日：2016-12-01

申请号：US15230616

申请日：2016-08-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju LEE ,  Tae Jin LEE ,  Kyeong Ok KANG ,  Jin Woong KIM ,  Chie Teuk AHN

IPC: G10L19/16 ,  H04H20/89 ,  H04H20/95 ,  G10L19/008 ,  G10L19/20

CPC classification number: G10L19/167 ,  G10L19/008 ,  G10L19/20 ,  H04H20/89 ,  H04H20/95 ,  H04N21/2335 ,  H04N21/4394 ,  H04N21/8106

Abstract: A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a multichannel audio signal are provided. The broadcast transmitting apparatus may generate audio identification information used to determine whether the multichannel audio signal is an object-based audio signal. When the multichannel audio signal is determined to be the object-based audio signal, based on the audio identification information, the broadcast playback apparatus may control and output the multichannel audio signal for each channel.

Abstract translation: 提供广播发送装置和方法以及通过对多声道音频信号进行编码和解码来提供基于对象的音频的广播回放装置和方法。 广播发送装置可以生成用于确定多声道音频信号是否是基于对象的音频信号的音频识别信息。 当多声道音频信号被确定为基于对象的音频信号时，基于音频识别信息，广播回放设备可以控制和输出每个频道的多声道音频信号。

公开(公告)号：US20150117155A1

公开(公告)日：2015-04-30

申请号：US14303241

申请日：2014-06-12

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dae Young JANG ,  Jeong Il SEO ,  Kyeong Ok KANG

IPC: G10K11/18

CPC classification number: G10K15/02

Abstract: Provided is an acoustic processing apparatus capable of optional sound shielding that may selectively control a sound entering an acoustically shielded interior of a building or a vehicle and form a pleasant acoustic environment, including an acoustic receiver to obtain at least one external acoustic signal, an acoustic signal processor to process the obtained external acoustic signal, and a player to internally play the processed acoustic signal through at least one speaker.

Abstract translation: 提供了一种声音处理设备，其能够选择性地防止声音屏蔽，其可以选择性地控制进入建筑物或车辆的隔音内部的声音并形成令人愉快的声环境，包括声接收器以获得至少一个外部声学信号，声学 信号处理器来处理所获得的外部声音信号，以及玩家通过至少一个扬声器在内部播放经处理的声学信号。

公开(公告)号：US20140314250A1

公开(公告)日：2014-10-23

申请号：US13961993

申请日：2013-08-08

Applicant: Electronics and Telecommunications Research Institute

Inventor： Tae Jin PARK ,  Jeong Il SEO ,  Dae Young JANG ,  Kyeong Ok KANG ,  Jin Woong KIM

IPC: G01S3/801

CPC classification number: G01S5/30 ,  G01S5/18

Abstract: Disclosed is a method of estimating a position by a position estimation system. The method includes generating a time-synchronization signal for position determination using a genetic algorithm, embedding the generated time-synchronization signal in an audio signal, and replaying the audio signal embedded with the time-synchronization signal through a speaker, receiving the audio signal embedded with the time-synchronization signal in a microphone, calculating a time delay value of the time-synchronization signal embedded in the received audio signal, and estimating a position of the microphone based on the calculated time delay value.

Abstract translation: 公开了一种通过位置估计系统估计位置的方法。 该方法包括使用遗传算法产生用于位置确定的时间同步信号，将生成的时间同步信号嵌入到音频信号中，并通过扬声器重播嵌入了时间同步信号的音频信号，接收嵌入的音频信号 利用麦克风中的时间同步信号，计算嵌入在接收到的音频信号中的时间同步信号的时间延迟值，以及基于所计算的时间延迟值来估计麦克风的位置。

公开(公告)号：US20140244244A1

公开(公告)日：2014-08-28

申请号：US14191929

申请日：2014-02-27

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jong Mo SUNG ,  Seung Kwon BEACK ,  Tae Jin LEE ,  Kyeong Ok KANG

IPC: G10L19/02 ,  G10L19/04

CPC classification number: G10L19/04 ,  G10L19/0212 ,  G10L19/12

Abstract: A frequency spectrum processing apparatus and method using a source filter are disclosed. The frequency spectrum processing apparatus may include a first excitation spectrum generation unit to generate a first excitation spectrum using a tonal excitation spectrum according to an input signal and a gain of the tonal excitation spectrum, a second excitation spectrum generation unit to generate a second excitation spectrum using a non-tonal excitation spectrum according to the input signal and a gain of the non-tonal excitation spectrum, and an output spectrum generation unit to generate an output spectrum using the first excitation spectrum and the second excitation spectrum.

Abstract translation: 公开了一种使用源滤波器的频谱处理装置和方法。 频谱处理装置可以包括第一激励频谱生成单元，用于根据输入信号和音调激励频谱的增益使用音调激励频谱生成第一激励频谱;第二激励频谱生成单元，用于生成第二激励频谱 根据输入信号和非音调激励光谱的增益使用非色调激励光谱;以及输出光谱产生单元，用于使用第一激发光谱和第二激发光谱产生输出光谱。