公开(公告)号：US20150025894A1

公开(公告)日：2015-01-22

申请号：US14333092

申请日：2014-07-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju LEE ,  Jeong Il SEO ,  Jae Hyoun YOO ,  Kyeong Ok KANG ,  Jin Woong KIM ,  Seung Kwon BEACK ,  Jong Mo SUNG ,  Tae Jin LEE

IPC: G10L19/008 ,  G10L19/002

CPC classification number: G10L19/008 ,  G10L19/002

Abstract: Provided are a method of encoding and decoding a multichannel audio signal, and an encoder and a decoder to perform the method. The present invention may perform encoding into consideration of a size of bit to be allocated based on a feature of audio signal for each channel with respect to an audio signal having a plurality of channels, thereby enhancing an encoding efficiency of the multichannel audio signal.

Abstract translation: 提供了一种编码和解码多声道音频信号的方法，以及用于执行该方法的编码器和解码器。 本发明可以考虑到基于每个信道的音频信号的特征相对于具有多个信道的音频信号来分配的比特的大小，从而增强多声道音频信号的编码效率。

公开(公告)号：US20140260899A1

公开(公告)日：2014-09-18

申请号：US14157627

申请日：2014-01-17

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju LEE ,  Keun Woo CHOI ,  Tae Jin PARK ,  Kyeong Ok KANG

IPC: G10G1/04

CPC classification number: G10G1/04

Abstract: Provided is a method and apparatus for describing and restoring a jungganbo, the method of describing a jungganbo including analyzing a structure of the jungganbo based on gaks, daegangs, and junggans constituting the jungganbo, and generating jungganbo structure data describing the structure of the jungganbo, based on a result of the analyzing.

Abstract translation: 提供了一种用于描述和恢复jungganbo的方法和装置，描述了一个jungganbo的方法，包括分析基于gak，daegangs和junggans的jungganbo的结构，构成了jungganbo，并生成了jungganbo的结构数据， 基于分析的结果。

公开(公告)号：US20140140515A1

公开(公告)日：2014-05-22

申请号：US14049333

申请日：2013-10-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju LEE ,  Jeong Il SEO ,  Keun Woo CHOI ,  Tae Jin PARK ,  Kyeong Ok KANG

IPC: H04R5/04

CPC classification number: H04S5/005 ,  H04S2400/03 ,  H04S2400/11 ,  H04S2400/15

Abstract: An apparatus and method for generating multimedia data and an apparatus and method for playing multimedia data are disclosed. The apparatus for generating the multimedia data may include a spatial information identification unit to identify spatial information for a plurality of channels of a multi-channel audio signal, and a multimedia data generation unit to generate multimedia data including the spatial information, and the apparatus for playing the multimedia data may include a spatial information analysis unit to analyze spatial information for a plurality of channels of a multi-channel audio signal included in multimedia data, and a multimedia data playback unit to play multimedia data, based on the spatial information.

Abstract translation: 公开了一种用于产生多媒体数据的装置和方法以及用于播放多媒体数据的装置和方法。 用于生成多媒体数据的装置可以包括：空间信息识别单元，用于识别多声道音频信号的多个频道的空间信息;以及多媒体数据生成单元，用于生成包括空间信息的多媒体数据，以及用于 播放多媒体数据可以包括空间信息分析单元，用于分析多媒体数据中包括的多声道音频信号的多个频道的空间信息，以及基于空间信息播放多媒体数据的多媒体数据播放单元。

公开(公告)号：US20130325476A1

公开(公告)日：2013-12-05

申请号：US13804221

申请日：2013-03-14

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae-Hyoun YOO ,  Keun Woo CHOI ,  Jeong Il SEO ,  Kyeong Ok KANG

IPC: G10L17/00

CPC classification number: G10L17/005 ,  H04S7/30 ,  H04S2420/13

Abstract: An apparatus and method for generating a wave field synthesis (WFS) signal in consideration of a height of a speaker are disclosed. The WFS signal generation apparatus may include a waveform propagation distance determination unit to determine a propagation distance of a waveform propagate from a sound source based on a height of a speaker, and a WFS signal generation unit to generate a WFS signal corresponding to the speaker using the propagation distance of the waveform.

Abstract translation: 公开了考虑到扬声器的高度来产生波场合成（WFS）信号的装置和方法。 WFS信号发生装置可以包括波形传播距离确定单元，用于基于扬声器的高度确定从声源传播的波形的传播距离;以及WFS信号生成单元，用于生成与扬声器对应的WFS信号，使用 波形的传播距离。

公开(公告)号：US20130272525A1

公开(公告)日：2013-10-17

申请号：US13846726

申请日：2013-03-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jae Hyoun YOO ,  Jeong Il SEO ,  Tae Jin LEE ,  Kyeong Ok KANG

IPC: H04S7/00

CPC classification number: H04S7/30 ,  G10L19/167 ,  H04S3/002 ,  H04S3/008 ,  H04S2400/03 ,  H04S2420/03

Abstract: An apparatus for providing audio metadata, the apparatus including an audio data generating unit to generate audio metadata including channel information of raw audio data, and an audio metadata transmitting unit to transmit the generated audio metadata to an apparatus for reproducing audio data.

Abstract translation: 一种用于提供音频元数据的装置，该装置包括音频数据生成单元，用于生成包括原始音频数据的频道信息的音频元数据和音频元数据发送单元，用于将生成的音频元数据发送到用于再现音频数据的装置。