公开(公告)号：US20190082285A1

公开(公告)日：2019-03-14

申请号：US16178581

申请日：2018-11-01

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Taegyu LEE ,  Hyunoh OH

IPC: H04S7/00 ,  G10L19/008 ,  G10L19/02 ,  H04S3/00

CPC classification number: H04S7/307 ,  G10L19/008 ,  G10L19/0204 ,  H04S3/008 ,  H04S7/305 ,  H04S2400/01 ,  H04S2400/03 ,  H04S2420/01 ,  H04S2420/03 ,  H04S2420/07

Abstract: The present invention relates to a method for generating a filter for an audio signal and a parameterization device for the same, and more particularly, to a method for generating a filter for an audio signal, to implement filtering of an input audio signal with a low computational complexity, and a parameterization device therefor.To this end, provided are a method for generating a filter for an audio signal, including: receiving at least one binaural room impulse response (BRIR) filter coefficients for binaural filtering of an input audio signal; converting the BRIR filter coefficients into a plurality of subband filter coefficients; obtaining average reverberation time information of a corresponding subband by using reverberation time information extracted from the subband filter coefficients; obtaining at least one coefficient for curve fitting of the obtained average reverberation time information; obtaining flag information indicating whether the length of the BRIR filter coefficients in a time domain is more than a predetermined value; obtaining filter order information for determining a truncation length of the subband filter coefficients, the filter order information being obtained by using the average reverberation time information or the at least one coefficient according to the obtained flag information and the filter order information of at least one subband being different from filter order information of another subband; and truncating the subband filter coefficient by using the obtained filter order information and a parameterization device therefor.

公开(公告)号：US20180227692A1

公开(公告)日：2018-08-09

申请号：US15942588

申请日：2018-04-02

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Taegyu LEE ,  Hyunoh OH

IPC: H04S5/00 ,  H04S3/00 ,  H04R5/04 ,  H04S7/00 ,  H03H17/02 ,  H03H21/00 ,  H04S3/02 ,  G10L19/008 ,  G10L19/02 ,  G10L25/48

Abstract: The present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing an audio signal, and more particularly, to a method and an apparatus for processing a signal, which are used for implementing binaural rendering for reproducing multi-channel or multi-object audio signals in stereo with a low calculation amount.To this end, provided are a method for processing an audio signal including: receiving multi-audio signals including multi-channel or multi-object signals, each of the multi-audio signals including a plurality of subband signals, and the plurality of subband signals including a signal of a first subband group having low frequencies and a signal of a second subband group having high frequencies based on a predetermined frequency band; receiving at least one parameter corresponding to each subband signal of the second subband group, the at least one parameter being extracted from binaural room impulse response (BRIR) subband filter coefficients corresponding to each subband signal of the second subband group; and performing tap-delay line filtering of the subband signal of the second subband group by using the received parameter and an apparatus for processing an audio signal using the same.

公开(公告)号：US20160100180A1

公开(公告)日：2016-04-07

申请号：US14784951

申请日：2014-04-17

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Hyunoh OH

IPC: H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/187

CPC classification number: H04N19/30 ,  H04N19/107 ,  H04N19/157 ,  H04N19/172 ,  H04N19/187 ,  H04N19/44 ,  H04N19/46 ,  H04N19/50 ,  H04N19/573 ,  H04N19/58

Abstract: The present invention provides a method and an apparatus for processing a video signal, and more particularly, a method and an apparatus for processing a video signal, which encode and decode the video signal.To this end, the present invention provides a method for processing a video signal, including: receiving a scalable video signal including a base layer and an enhancement layer; decoding pictures of the base layer; generating an interlayer reference picture list for interlayer prediction by using the pictures of the base layer; and decoding pictures of the enhancement layer by using the interlayer reference picture list, wherein when a current picture of the enhancement layer is a random access decodable leading (RADL) picture, an interlayer reference picture list corresponding to the current picture does not include a random access skipped leading (RASL) picture, and an apparatus for processing a video signal using the same.

Abstract translation: 本发明提供一种用于处理视频信号的方法和装置，更具体地说，一种用于处理对视频信号进行编码和解码的视频信号的方法和装置。 为此，本发明提供了一种处理视频信号的方法，包括：接收包括基本层和增强层的可分级视频信号; 解码基层的图片; 通过使用所述基本层的图像来生成用于层间预测的中间层参考图片列表; 以及通过使用所述中间层参考图像列表来对所述增强层的图像进行解码，其中当所述增强层的当前图像是随机接入可解码前导（RADL）图像时，与当前图像对应的中间层参考图像列表不包括随机 访问跳过的前导（RASL）图片，以及使用该图像处理视频信号的装置。

公开(公告)号：US20200374644A1

公开(公告)日：2020-11-26

申请号：US16993267

申请日：2020-08-14

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Hyunoh OH ,  Taegyu LEE ,  Jinsam KWAK ,  Juhyung SON

IPC: H04S3/00 ,  G10L19/20

Abstract: The present invention relates to a method and an apparatus for processing an audio signal, and more particularly, to a method and an apparatus for processing an audio signal, which synthesize an object signal and a channel signal and effectively perform binaural rendering of the synthesized signal.To this end, provided are a method for processing an audio signal, which includes: receiving an input audio signal including a multi-channel signal; receiving truncated subband filter coefficients for filtering the input audio signal, the truncated subband filter coefficients being at least some of subband filter coefficients obtained from binaural room impulse response (BRIR) filter coefficients for binaural filtering of the input audio signal and the length of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using reverberation time information extracted from the corresponding subband filter coefficients; obtaining vector information indicating the BRIR filter coefficients corresponding to each channel of the input audio signal; and filtering each subband signal of the multi-channel signal by using the truncated subband filter coefficients corresponding to the relevant channel and subband based on the vector information and an apparatus for processing an audio signal by using the same.

公开(公告)号：US20200152211A1

公开(公告)日：2020-05-14

申请号：US16747533

申请日：2020-01-21

Applicant: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY ,  WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. ,  ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Taegyu LEE ,  Hyunoh OH ,  Youngcheol PARK ,  Daehee YOUN ,  Jeongil SEO ,  Yongju LEE ,  Seungkwon BEACK ,  Kyeongok KANG ,  Daeyoung JANG

IPC: G10L19/008 ,  H04S3/00 ,  H04R5/033

Abstract: The present invention relates to a method and an apparatus for binaural rendering an audio signal using variable order filtering in frequency domain. To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving a set of truncated subband filter coefficients for filtering each subband signal of the input audio signal, the set of truncated subband filter coefficients being constituted by one or more FFT filter coefficients generated by performing FFT by a predetermined block size; generating at least one subframe for each subband; generating at least one filtered subframe for each subband; performing inverse FFT on the filtered subframe for each subband; and generating a filtered subband signal by overlap-adding the transformed subframe for each subband and an apparatus for processing an audio signal using the same.

公开(公告)号：US20190122676A1

公开(公告)日：2019-04-25

申请号：US16224820

申请日：2018-12-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY ,  WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Taegyu LEE ,  Hyunoh OH ,  Jeongil SEO ,  Yongju LEE ,  Seungkwon BEACK ,  Kyeongok KANG ,  Daeyoung JANG ,  Youngcheol PARK ,  Daehee YOUN

IPC: G10L19/008 ,  H04S3/00 ,  H04R5/033

Abstract: The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method for generating a filter for an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity and a parameterization apparatus therefor.To this end, provided are a method for generating a filter of an audio signal, including: receiving at least one proto-type filter coefficient for filtering each subband signal of an input audio signal; converting the proto-type filter coefficient into a plurality of subband filter coefficients; truncating each of the subband filter coefficients based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, the length of at least one truncated subband filter coefficients being different from the length of truncated subband filter coefficients of another subband; and generating FFT filter coefficients by fast Fourier transforming (FFT) the truncated subband filter coefficients by a predetermined block size in the corresponding subband and a parameterization unit using the same.

公开(公告)号：US20180048981A1

公开(公告)日：2018-02-15

申请号：US15789960

申请日：2017-10-21

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Taegyu LEE ,  Hyunoh OH

IPC: H04S7/00 ,  G10L19/008 ,  H04S3/00 ,  G10L19/02

CPC classification number: H04S7/307 ,  G10L19/008 ,  G10L19/0204 ,  H04S3/008 ,  H04S7/305 ,  H04S2400/01 ,  H04S2400/03 ,  H04S2420/01 ,  H04S2420/03 ,  H04S2420/07

Abstract: The present invention relates to a method for generating a filter for an audio signal and a parameterization device for the same, and more particularly, to a method for generating a filter for an audio signal, to implement filtering of an input audio signal with a low computational complexity, and a parameterization device therefor.To this end, provided are a method for generating a filter for an audio signal, including: receiving at least one binaural room impulse response (BRIR) filter coefficients for binaural filtering of an input audio signal; converting the BRIR filter coefficients into a plurality of subband filter coefficients; obtaining average reverberation time information of a corresponding subband by using reverberation time information extracted from the subband filter coefficients; obtaining at least one coefficient for curve fitting of the obtained average reverberation time information; obtaining flag information indicating whether the length of the BRIR filter coefficients in a time domain is more than a predetermined value; obtaining filter order information for determining a truncation length of the subband filter coefficients, the filter order information being obtained by using the average reverberation time information or the at least one coefficient according to the obtained flag information and the filter order information of at least one subband being different from filter order information of another subband; and truncating the subband filter coefficient by using the obtained filter order information and a parameterization device therefor.

公开(公告)号：US20160155495A1

公开(公告)日：2016-06-02

申请号：US14903600

申请日：2014-07-08

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Hyunoh OH

IPC: G11C11/56 ,  G11C16/10

CPC classification number: G11C11/5628 ,  G06F12/0246 ,  G06F2212/7202 ,  G06F2212/7211 ,  G11C16/10 ,  G11C16/16 ,  G11C16/26

Abstract: The present invention relates to a memory system and a method for processing data in a memory, and more particularly, to a memory system and a method for processing data in a memory for efficiently processing data.To this end, provides are a method for processing data in a memory, including: obtaining programming count information of a page on which data is to be programmed; determining a driving voltage value set including a lowest level value and a highest level value to be programmed on each memory cell in the page based on the obtained programming count information; and programming the data on each memory cell in the page by using a plurality of voltages between the lowest level value and the highest level value of the determined driving voltage value set, in which the lowest level value and the highest level value are shifted according to an increase in the programming count information and a memory system using the same.

Abstract translation: 本发明涉及一种用于处理存储器中的数据的存储器系统和方法，更具体地说，涉及用于处理存储器中的数据以有效地处理数据的存储器系统和方法。 为此，提供了一种用于处理存储器中的数据的方法，包括：获得要编程数据的页面的编程计数信息; 基于所获得的节目计数信息，确定包括要在页面中的每个存储器单元上编程的最低电平值和最高电平值的驱动电压值集合; 并且通过使用所确定的驱动电压值集合的最低电平值和最高电平值之间的多个电压来编程页面中的每个存储器单元上的数据，其中最低电平值和最高电平值根据 编程计数信息的增加和使用其的存储器系统。

公开(公告)号：US20160148700A1

公开(公告)日：2016-05-26

申请号：US14903601

申请日：2014-07-08

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Hyunoh OH

IPC: G11C16/16 ,  G11C16/26

CPC classification number: G11C11/5628 ,  G06F11/1072 ,  G06F11/34 ,  G06F12/0246 ,  G06F16/00 ,  G06F2212/7202 ,  G06F2212/7211 ,  G11C11/34 ,  G11C16/04 ,  G11C16/06 ,  G11C16/10 ,  G11C16/12 ,  G11C16/16 ,  G11C16/26 ,  G11C16/34 ,  G11C29/021 ,  Y02D10/13

Abstract: The present invention relates to a memory system and a data processing method in a memory, and more particularly, to a memory system for efficiently processing data and a data processing method in a memory.To this end, the present invention provides a data processing method in a memory, including: programming data by applying a voltage having a predetermined nominal value to a pilot cell at a predetermined position in the memory; reading a written voltage value of the pilot cell; adjusting a nominal value corresponding to the data based on the read voltage value of the pilot cell; and programming the data to a data cell of the memory by using the adjusted nominal value and a memory system using the same.

Abstract translation: 本发明涉及一种存储器中的存储器系统和数据处理方法，更具体地，涉及一种用于在存储器中有效地处理数据和数据处理方法的存储器系统。 为此，本发明提供了一种存储器中的数据处理方法，包括：通过将具有预定标称值的电压施加到存储器中的预定位置处的导频单元来编程数据; 读取导频小区的写入电压值; 基于导频小区的读取电压值调整与数据对应的标称值; 并通过使用经调整的标称值将数据编程到存储器的数据单元，以及使用其调整的标称值的存储器系统。

公开(公告)号：US20160088305A1

公开(公告)日：2016-03-24

申请号：US14784953

申请日：2014-04-17

Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.

Inventor： Hyunoh OH

IPC: H04N19/30 ,  H04N19/187 ,  H04N19/50 ,  H04N19/44

CPC classification number: H04N19/30 ,  H04N19/187 ,  H04N19/44 ,  H04N19/50 ,  H04N19/70

Abstract: The present invention provides a method and an apparatus for processing a video signal, and more particularly, a method and an apparatus for processing a video signal, which encode and decode the video signal.To this end, the present invention provides a method for processing a video signal, including: receiving a scalable video signal including a base layer and an enhancement layer; receiving interlayer constrained partition sets information, the interlayer constrained partition sets information indicating whether interlayer prediction is performed only in a designated partition set; decoding pictures of the base layer; and decoding pictures of the enhancement layer by referring to the decoded pictures of the base layer, wherein in the decoding of the pictures of the enhancement layer, the interlayer prediction is performed only in the designated partition set based on the interlayer constrained partition sets information and an apparatus for processing a video signal using the same.

Abstract translation: 本发明提供一种用于处理视频信号的方法和装置，更具体地说，一种用于处理对视频信号进行编码和解码的视频信号的方法和装置。 为此，本发明提供了一种处理视频信号的方法，包括：接收包括基本层和增强层的可分级视频信号; 接收层间限制分区集信息，层间约束分区设置指示是否仅在指定分区集中执行层间预测的信息; 解码基层的图片; 并且通过参考基本层的解码图像来解码增强层的图像，其中在对增强层的图像的解码中，仅在基于层间约束分区集信息的指定分区集中执行层间预测，以及 一种用于处理使用该视频信号的视频信号的装置。