公开(公告)号：US09357325B2

公开(公告)日：2016-05-31

申请号：US14049333

申请日：2013-10-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ju Lee ,  Jeong Il Seo ,  Keunwoo Choi ,  Tae Jin Park ,  Kyeong Ok Kang

IPC: H04S5/00

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：US10136238B2

公开(公告)日：2018-11-20

申请号：US14814608

申请日：2015-07-31

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jeong Il Seo ,  Tae Jin Park ,  Jae Hyoun Yoo ,  Yong Ju Lee ,  Jung Woo Choi

IPC: H04R5/04 ,  H04S5/00 ,  H04S7/00 ,  H04R3/12 ,  A63H17/42 ,  H04S3/00 ,  G01S7/524 ,  G01S15/89 ,  H04R29/00 ,  H04R1/40

Abstract: An audio system and method using indoor response estimation are disclosed. An acoustic feature prediction method of the audio system may include generating a detection signal based on an input signal and a modulation code; generating an acoustic signal based on the detection signal and outputting the acoustic signal to a plurality of speakers; measuring acoustic signals output from the speakers where the speakers are installed; and predicting acoustic features related to the speakers based on the measured acoustic signals and the modulation code.

公开(公告)号：US10117040B2

公开(公告)日：2018-10-30

申请号：US15144556

申请日：2016-05-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jeong Il Seo ,  Tae Jin Park ,  Jae Hyoun Yoo

IPC: H04S7/00

Abstract: An audio system and method of extracting indoor reflection characteristics, the method including generating a detection signal based on an input signal and a modulation code, outputting a sound signal generated based on the detection signal through a plurality of speakers, measuring sound signals output through the plurality of speakers, or sound signals reflected by a wall of a space in which the plurality of speakers is installed, and extracting reflection characteristics of the space based on the measured sound signals and the modulation code, is disclosed.

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.