公开(公告)号：US20080030649A1

公开(公告)日：2008-02-07

申请号：US11833388

申请日：2007-08-03

Applicant: Yong-seok CHOI ,  Jin-ho CHO ,  Chul-woo LEE ,  Sung-hun LEE

Inventor： Yong-seok CHOI ,  Jin-ho CHO ,  Chul-woo LEE ,  Sung-hun LEE

IPC: G02B5/02 ,  F21V9/00 ,  G02F1/13357

CPC classification number: G02B5/0278 ,  G02B5/021 ,  G02B5/0215 ,  G02B5/0242 ,  G02F1/133382 ,  G02F1/133606 ,  G02F2201/36

Abstract: A hybrid diffusion plate includes a plurality of sub diffusion plates facing one another and diffusing light, heat-insulating layers having heat conductivity lower than the sub diffusion plates and respectively interposed between each pair of adjacent sub diffusion plates, and a sealant applied between each pair of adjacent sub diffusion plates along an edge and bonding the sub diffusion plates to each other.

Abstract translation: 混合漫射板包括多个彼此面对的子扩散板和散射光，导热率低于副扩散板的热绝缘层分别介于每对相邻的子扩散板之间，以及施加在每对之间的密封剂 的相邻子扩散板沿着边缘并且将子扩散板彼此接合。

公开(公告)号：US20110038423A1

公开(公告)日：2011-02-17

申请号：US12648948

申请日：2009-12-29

Applicant: Nam-Suk LEE ,  Chul-woo LEE ,  Jong-hoon JEONG ,  Han-gil MOON ,  Hyun-wook KIM ,  Sang-hoon LEE

Inventor： Nam-Suk LEE ,  Chul-woo LEE ,  Jong-hoon JEONG ,  Han-gil MOON ,  Hyun-wook KIM ,  Sang-hoon LEE

IPC: G10L19/00 ,  H04N7/52

CPC classification number: G10L19/20 ,  G10L19/008 ,  G10L19/0204

Abstract: A multi-channel audio signal encoding and decoding method and apparatus are provided. The multi-channel audio signal encoding method, the method including: obtaining semantic information for each channel; determining a degree of similarity between multi-channels based on the obtained semantic information for each channel; determining similar channels among the multi-channels based on the determined degree of similarity between the multi-channels; and determining spatial parameters between the similar channels and down-mixing audio signals of the similar channels.

Abstract translation: 提供了一种多声道音频信号编码和解码方法和装置。 多声道音频信号编码方法，该方法包括：获取每个频道的语义信息; 基于所获得的每个信道的语义信息确定多信道之间的相似度; 基于多个信道之间的相似度确定多个信道中的相似信道; 以及确定类似信道之间的空间参数和类似信道的下混合音频信号。

公开(公告)号：US20090198501A1

公开(公告)日：2009-08-06

申请号：US12361940

申请日：2009-01-29

Applicant: Jong-hoon JEONG ,  Geon-hyoung LEE ,  Chul-woo LEE ,  Nam-suk LEE ,  Han-gil MOON

Inventor： Jong-hoon JEONG ,  Geon-hyoung LEE ,  Chul-woo LEE ,  Nam-suk LEE ,  Han-gil MOON

IPC: G10L21/00

CPC classification number: G10L19/025 ,  G10L19/04

Abstract: Provided are a method and apparatus for encoding or decoding an audio signal by adaptively interpolating a linear predictive coding (LPC) coefficient. In the method and apparatus of encoding or decoding an audio signal, LPC coefficient interpolation is selectively performed depending on whether a transient section is present in a current frame, thereby preventing noise from occurring when interpolating LPC coefficients in the transient section.

Abstract translation: 提供了一种通过自适应地内插线性预测编码（LPC）系数来对音频信号进行编码或解码的方法和装置。 在对音频信号进行编码或解码的方法和装置中，根据在当前帧中是否存在瞬态部分来选择性地执行LPC系数内插，从而防止在对瞬态部分内插LPC系数时产生噪声。

公开(公告)号：US20080235034A1

公开(公告)日：2008-09-25

申请号：US12022581

申请日：2008-01-30

Applicant: Nam-suk LEE ,  Geon-hyoung LEE ,  Jae-one OH ,  Chul-woo LEE ,  Jong-hoon JEONG

Inventor： Nam-suk LEE ,  Geon-hyoung LEE ,  Jae-one OH ,  Chul-woo LEE ,  Jong-hoon JEONG

IPC: G10L19/00

CPC classification number: G10L19/093

Abstract: Provided are a method and apparatus for encoding an audio signal to efficiently encode a harmonic envelope and a method and apparatus for decoding an audio signal to decode the harmonic envelope. The method of encoding an audio signal includes performing harmonic analysis with respect to an input signal to determine harmonic parameters with respect to harmonic signals; regarding amplitudes of the harmonic signals included in the harmonic parameters as signals in the time domain so as to perform time-frequency transformation; and encoding the time-frequency transformed values. When expressing a harmonic envelope, the amplitudes of the harmonic signals are regarded as signals in the time domain so as to perform a time-frequency transformation and only a part from among the transformed values is selected to be encoded. Therefore, sound quality is not affected and coding efficiency greatly improves.

Abstract translation: 提供了一种用于对音频信号进行编码以有效地编码谐波包络的方法和装置，以及用于对音频信号进行解码以解码谐波包络的方法和装置。 对音频信号进行编码的方法包括对输入信号执行谐波分析以确定相对于谐波信号的谐波参数; 将包括在谐波参数中的谐波信号的幅度作为时域中的信号进行时频转换; 并对时间 - 频率变换的值进行编码。 当表示谐波包络时，谐波信号的幅度被认为是时域中的信号，以便执行时间 - 频率变换，并且仅选择变换值中的一部分进行编码。 因此，音质不受影响，编码效率大大提高。

公开(公告)号：US20080019145A1

公开(公告)日：2008-01-24

申请号：US11626899

申请日：2007-01-25

Applicant: Jin-ho CHO ,  Yong-seok CHOI ,  Chul-woo LEE

Inventor： Jin-ho CHO ,  Yong-seok CHOI ,  Chul-woo LEE

IPC: F21V7/04

CPC classification number: G02F1/133608 ,  G02B5/02 ,  G02F1/133606 ,  G02F2001/133628

Abstract: Provided are a diffusion plate assembly having light diffusion and heat blocking effects and requiring no diffusion plate supporter and a backlight assembly including the diffusion plate assembly. The diffusion plate assembly includes a first plate diffusing light; a second plate disposed to face a surface of the first plate and blocking heat transfer toward the first plate and a spacer interposed between the first plate and the second plate and separating the first plate and the second plate.

Abstract translation: 提供具有光扩散和热阻效应并且不需要扩散板支撑体的扩散板组件和包括扩散板组件的背光组件。 扩散板组件包括第一板漫射光; 设置成面对第一板的表面并阻挡朝向第一板的热传递的第二板和插入在第一板和第二板之间并将第一板和第二板分离的间隔件。

公开(公告)号：US20120035938A1

公开(公告)日：2012-02-09

申请号：US13198914

申请日：2011-08-05

Applicant: Jong-hoon JEONG ,  Chul-woo LEE ,  Nam-suk LEE ,  Sang-hoon LEE

Inventor： Jong-hoon JEONG ,  Chul-woo LEE ,  Nam-suk LEE ,  Sang-hoon LEE

IPC: G10L19/00

CPC classification number: G10L25/78 ,  G10L19/008 ,  G10L19/24

Abstract: An audio reproducing method for quickly and correctly extracting extra data, including: receiving a data stream including the extra data including an end marker disposed immediately before main data and data length information, which is length information of the extra data, disposed immediately before the end marker; checking the presence/absence of the end marker; and if the end marker exists, extracting the extra data by using the data length information.

Abstract translation: 一种用于快速且正确地提取额外数据的音频再现方法，包括：接收包括紧邻主数据之前设置的结束标记的附加数据的数据流和作为紧邻结束之前设置的额外数据的长度信息的数据长度信息 标记 检查结束标记的存在/不存在; 并且如果存在结束标记，则通过使用数据长度信息来提取额外的数据。

公开(公告)号：US20110051935A1

公开(公告)日：2011-03-03

申请号：US12868248

申请日：2010-08-25

Applicant: Han-gil MOON ,  Chul-woo LEE

Inventor： Han-gil MOON ,  Chul-woo LEE

IPC: H04R5/00

CPC classification number: H04S1/007

Abstract: A method of encoding stereo audio that minimizes a number of pieces of side information required for parametric-encoding and parametric-decoding of the stereo audio. The side information may include parameters about interchannel intensity difference (IID), interchannel correlation (IC), overall phase difference (OPD), and interchannel phase difference (IPD), which are required to restore the mono audio to the stereo audio.

公开(公告)号：US20110046964A1

公开(公告)日：2011-02-24

申请号：US12761070

申请日：2010-04-15

Applicant: Han-gil MOON ,  Chul-woo LEE

Inventor： Han-gil MOON ,  Chul-woo LEE

IPC: G10L19/00

CPC classification number: G10L19/008

Abstract: A method and apparatus which encode multi-channel audio signals and a method and apparatus which decode multi-channel audio signals. When encoding, a downmixed audio signal, first additional information for restoring multi-channel audio signals from the downmixed audio signal, and second additional information representing characteristics of a residual signal are multiplexed. When decoding, restored multi-channel audio signals having a predetermined phase difference are combined using the second additional information, and an audio signal of each channel is corrected, in order to improve quality of the restored audio signals.

Abstract translation: 编码多声道音频信号的方法和装置以及对多声道音频信号进行解码的方法和装置。 当编码时，下混合音频信号，用于从下混合音频信号恢复多声道音频信号的第一附加信息和表示残差信号特性的第二附加信息被多路复用。 当解码时，使用第二附加信息组合具有预定相位差的恢复的多声道音频信号，并校正每个声道的音频信号，以便提高恢复的音频信号的质量。

公开(公告)号：US20110040556A1

公开(公告)日：2011-02-17

申请号：US12839751

申请日：2010-07-20

Applicant: Han-gil MOON ,  Chul-woo LEE

Inventor： Han-gil MOON ,  Chul-woo LEE

IPC: G10L19/14

CPC classification number: G10L19/008 ,  G10L19/093

Abstract: A method and apparatus for encoding and decoding a residual signal are provided. The encoding method includes generating a residual signal indicating a difference between a multi-channel audio signal, and an audio signal downmixed from the multi-channel audio signal and then upmixed by using additional information from the downmixed audio signal; and performing a parametric encoding method on the residual signal. The decoding method includes decoding a sinusoidal component; restoring a sine wave by using the sinusoidal component; dividing the sine wave into a plurality of sub-bands in a frequency domain; transforming the plurality of sub-bands from the frequency domain into a time domain by applying a window to each of the plurality of sub-bands; and synthesizing the plurality of domain-transformed sub-bands to restore a residual signal.

Abstract translation: 提供了一种用于编码和解码残余信号的方法和装置。 编码方法包括生成表示多声道音频信号和从多声道音频信号下混合的音频信号之间的差异的残差信号，然后通过使用来自下混合音频信号的附加信息进行混合; 并对残差信号执行参数编码方法。 解码方法包括解码正弦分量; 通过使用正弦分量恢复正弦波; 将正弦波分解成频域中的多个子带; 通过对所述多个子带中的每一个施加窗口，将所述多个子带从所述频域变换为时域; 以及合成所述多个域变换子带以恢复残留信号。

公开(公告)号：US20090210236A1

公开(公告)日：2009-08-20

申请号：US12389639

申请日：2009-02-20

Applicant: Han-gil MOON ,  Geon-hyoung LEE ,  Chul-woo LEE ,  Jong-hoon JEONG ,  Nam-suk LEE

Inventor： Han-gil MOON ,  Geon-hyoung LEE ,  Chul-woo LEE ,  Jong-hoon JEONG ,  Nam-suk LEE

IPC: G10L19/00

CPC classification number: G10L19/008

Abstract: Provided are a method and apparatus for encoding/decoding stereo audio. In the method for encoding stereo audio, stereo audio is encoded based on at least one of the phase difference between first and second channel audios and information on an angle made by a vector on the intensity of mono-audio and a vector on the intensity of the first channel audio or a vector on the intensity of the second channel audio. Thus, the number of encoded parameters is minimized so that a compression ratio in the encoding of the stereo audio is improved.

Abstract translation: 提供了一种用于对立体声音频进行编码/解码的方法和装置。 在对立体声音频进行编码的方法中，基于第一和第二声道音频之间的相位差中的至少一个以及由矢量对单声道的强度和向量的角度的信息对立体声音频进行编码， 第一声​​道音频或第二声道音频强度的向量。 因此，编码参数的数量被最小化，从而提高了立体声音频的编码中的压缩率。