公开(公告)号：US20190304474A1

公开(公告)日：2019-10-03

申请号：US16447573

申请日：2019-06-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jeong ll 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

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：US20190180142A1

公开(公告)日：2019-06-13

申请号：US16203668

申请日：2018-11-29

Applicant: Electronics and Telecommunications Research Institute

Inventor： Woo-taek LIM ,  Seung Kwon BEACK

IPC: G06K9/62 ,  G06N3/02 ,  G10L19/008 ,  G06F16/683

Abstract: Disclosed is an apparatus and method for extracting a sound source from a multi-channel audio signal. A sound source extracting method includes transforming a multi-channel audio signal into two-dimensional (2D) data, extracting a plurality of feature maps by inputting the 2D data into a convolutional neural network (CNN) including at least one layer, and extracting a sound source from the multi-channel audio signal using the feature maps.

公开(公告)号：US20180261212A1

公开(公告)日：2018-09-13

申请号：US15654873

申请日：2017-07-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Young Ho JEONG ,  Seung Kwon BEACK ,  Tae Jin LEE ,  Jin Soo CHOI

IPC: G10L15/08 ,  G10L25/48 ,  G06F17/30 ,  G06Q30/02

CPC classification number: G10L15/083 ,  G06F16/68 ,  G06Q30/0241 ,  G10L19/018 ,  G10L25/48 ,  G10L25/69

Abstract: Disclosed is a content processing method including receiving content including broadcast data and advertisement data into which additional information is inserted, extracting the additional information from the advertisement data, identifying the advertisement data from the content based on the extracted additional information, and extracting the broadcast data excluding the advertisement data identified from the content, wherein the additional information is inserted at at least one of optimal intervals determined based on test additional information inserted at a plurality of analysis intervals of an audio signal associated with the advertisement data.

公开(公告)号：US20170249957A1

公开(公告)日：2017-08-31

申请号：US15445010

申请日：2017-02-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Tae Jin PARK ,  Seung Kwon BEACK ,  Jong Mo SUNG ,  Tae Jin LEE ,  Jin Soo CHOI

IPC: G10L25/51 ,  G10L21/038 ,  G06F17/30 ,  G10L25/21

CPC classification number: G10L25/51 ,  G10L21/0216 ,  G10L25/21 ,  G10L25/30

Abstract: An audio signal identification method and apparatus are provided. The audio signal identification method includes generating an amplitude map from an input audio signal, determining whether a portion of the amplitude map is a target portion corresponding to a target signal, using a pre-trained model, extracting feature data from the target portion, and identifying the audio signal based on the feature data.

公开(公告)号：US20170169830A1

公开(公告)日：2017-06-15

申请号：US15342985

申请日：2016-11-03

Applicant: Electronics and Telecommunications Research Institute

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

IPC: G10L19/018 ,  G10L19/26

CPC classification number: G10L19/018 ,  G10L19/26

Abstract: Disclosed is a method and an apparatus for embedding data in an audio signal based on a time domain, and a method and an apparatus for extracting data from an audio signal based on a time domain. The method for embedding data in an audio signal based on a time domain may include generating a time-domain insertion sequence from original data based on a weighting element, embedding the insertion sequence in a host audio signal, and transmitting the host audio signal in which the insertion sequence is embedded. The method for extracting data from an audio signal based on a time domain may include receiving a time-domain audio signal in which data is embedded, extracting a codeword from the audio signal, and synchronizing the audio signal based on the codeword.

公开(公告)号：US20170163978A1

公开(公告)日：2017-06-08

申请号：US15228333

申请日：2016-08-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Mi Suk LEE ,  Kyeong Ok KANG ,  Tae Jin PARK ,  Seung Kwon BEACK ,  Sang Won SUH ,  Jong Mo SUNG ,  Tae Jin LEE

IPC: H04N17/00 ,  H04N21/43 ,  H04N21/8547 ,  H04N19/467 ,  H04N19/577 ,  H04N19/44 ,  H04N21/8358 ,  H04N19/593 ,  H04N19/52 ,  H04N21/242 ,  H04N19/85

CPC classification number: H04N17/004 ,  H04N19/44 ,  H04N19/467 ,  H04N19/52 ,  H04N19/577 ,  H04N19/593 ,  H04N19/85 ,  H04N21/242 ,  H04N21/4305 ,  H04N21/4307 ,  H04N21/4341 ,  H04N21/4348 ,  H04N21/6336 ,  H04N21/8358 ,  H04N21/8547

Abstract: A system and method for synchronizing an audio signal and a video signal are provided. A decoding method in the system may include decoding an audio signal and a video signal received from an encoding apparatus, extracting first unique information of the audio signal from the decoded video signal, generating second unique information of the audio signal based on the decoded audio signal, determining a delay between the audio signal and the video signal by comparing the first unique information to the second unique information, and synchronizing the audio signal and the video signal based on the delay. The first unique information may be generated based on an audio signal that is not encoded by the encoding apparatus, and may be inserted into the video signal.

公开(公告)号：US20160104498A1

公开(公告)日：2016-04-14

申请号：US14881375

申请日：2015-10-13

Applicant: Electronics and Telecommunications Research Institute

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

IPC: G10L19/018

CPC classification number: G10L19/018

Abstract: A method and an apparatus for transmitting a watermark robust to an acoustic channel distortion are disclosed. The method of transmitting the watermark may include extracting a watermark from a first audio signal including the watermark; modifying the extracted watermark based on a state of an acoustic channel; and embedding the modified watermark into the first audio signal to output a second audio signal.

Abstract translation: 公开了一种用于发送对声道失真鲁棒的水印的方法和装置。 发送水印的方法可以包括从包括水印的第一音频信号中提取水印; 基于声道的状态修改所提取的水印; 以及将所述修改的水印嵌入到所述第一音频信号中以输出第二音频信号。

公开(公告)号：US20160029139A1

公开(公告)日：2016-01-28

申请号：US14767538

申请日：2014-04-18

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: H04S5/00 ,  H04S3/00 ,  G10L19/008

CPC classification number: H04S3/008 ,  G10L19/008 ,  H04S2400/01

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.

Abstract translation: 公开了一种用于处理多声道音频信号的装置和方法。 多声道音频信号处理方法可以包括：通过对M个声道的M声道音频信号进行下混频来产生N个声道的N声道音频信号; 以及通过执行N声道音频信号的双耳渲染来产生立体声音频信号。

公开(公告)号：US20150030160A1

公开(公告)日：2015-01-29

申请号：US14341554

申请日：2014-07-25

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: H04S5/00 ,  G10K15/08 ,  H04R5/04

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.

Abstract translation: 公开了一种用于对多声道音频信号进行解码的双耳渲染方法和装置。 双耳渲染方法可以包括：从双耳滤波器提取早期反射分量和后期混响分量; 通过基于早期反射分量执行多声道音频信号的双耳渲染来产生立体声音频信号; 以及将后期混响分量应用于所生成的立体声音频信号。

公开(公告)号：US20130250045A1

公开(公告)日：2013-09-26

申请号：US13800119

申请日：2013-03-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Myung Seok KI ,  Yong Ju CHO ,  Seong Yong LIM ,  Ji hun CHA ,  Seung Kwon BEACK ,  Yong Ju LEE ,  Jin Woong KIM ,  Seong Dae KIM ,  Wook Joong KIM ,  Ji Sung YOO ,  Sung Soo HWANG

IPC: H04N5/232

CPC classification number: H04N5/23238 ,  H04N13/106 ,  H04N13/161

Abstract: An apparatus and method for generating and consuming a three-dimensional (3D) data format to generate a realistic panoramic image are provided. The apparatus may include an image preprocessing unit to search for a matching point between images captured by a plurality of cameras, and to extract, as image information, at least one of a depth value, a texture value and object division information from each of the captured images, an image information structuring unit to structure 3D data to use the extracted image information to generate a realistic image, a 3D data format storage unit to store format information of the to structured 3D data in a database (DB), realistic image generating unit to generate a realistic panoramic image using the stored format information of the 3D data, and a realistic image rendering unit to perform rendering on the generated realistic panoramic image.

Abstract translation: 提供了一种用于产生和消耗三维（3D）数据格式以产生逼真全景图像的装置和方法。 该装置可以包括图像预处理单元，用于搜索由多个相机拍摄的图像之间的匹配点，并且从图像信息中提取深度值，纹理值和对象分割信息中的至少一个， 拍摄图像，图像信息构造单元，用于构造3D数据以使用所提取的图像信息来生成逼真图像; 3D数据格式存储单元，用于将结构化3D数据的格式信息存储在数据库（DB）中，逼真的图像生成 使用存储的3D数据的格式信息生成逼真全景图像的单元，以及用于对所生成的逼真全景图像执行渲染的逼真图像渲染单元。