Patents by Inventor Seung Kwon Beack

Seung Kwon Beack has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • AUDIO ENCODING APPARATUS AND METHOD, AUDIO DECODING APPARATUS AND METHOD, AND AUDIO REPRODUCING APPARATUS
    Publication number: 20190215631
    Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Jong Mo SUNG, Kyeong Ok KANG, Jeong Il SEO, Dae Young JANG, Yong Ju LEE, Jin Woong KIM
  • MULTICHANNEL SIGNAL PROCESSING METHOD, AND MULTICHANNEL SIGNAL PROCESSING APPARATUS FOR PERFORMING THE METHOD
    Publication number: 20190200150
    Abstract: Provided are an encoding method of a multichannel signal, an encoding apparatus to perform the encoding method, a multichannel signal processing method, and a decoding apparatus to perform the decoding method. The decoding method may include identifying an N/2-channel downmix signal derived from an N-channel input signal; and generating an N-channel output signal from the identified N/2-channel downmix signal using a plurality of one-to-two (OTT) boxes. If a low frequency effect (LFE) channel is absent in the output signal, the number of OTT boxes may be equal to N/2 where N/2 denotes the number of channels of the downmix signal.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Jeong Il SEO, Jong Mo SUNG, Tae Jin LEE, Dae Young JANG, Jin Soo CHOI
  • Audio encoding apparatus and method, and audio decoding apparatus and method
    Patent number: 10332526
    Abstract: An audio encoding apparatus to encode an audio signal using lossless coding or lossy coding and an audio decoding apparatus to decode an encoded audio signal are disclosed. An audio encoding apparatus according to an exemplary embodiment may include an input signal type determination unit to determine a type of an input signal based on characteristics of the input signal, a residual signal generation unit to generate a residual signal based on an output signal from the input signal type determination unit, and a coding unit to perform lossless coding or lossy coding using the residual signal.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: June 25, 2019
    Assignees: Electronics and Telecommunications Research Institute, THE KOREA DEVELOPMENT BANK
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Kyeong Ok Kang, Keun Woo Choi
  • Encoding/decoding apparatus for processing channel signal and method therefor
    Patent number: 10332532
    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.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: June 25, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il Seo, Seung Kwon Beack, Dae Young Jang, Kyeong Ok Kang, Tae Jin Park, Yong Ju Lee, Keun Woo Choi, Jin Woong Kim
  • METHOD AND DEVICE FOR PREDICTING CHANNEL PARAMETER OF AUDIO SIGNAL
    Publication number: 20190180763
    Abstract: A method of predicting a channel parameter of an original signal from a downmix signal is disclosed. The method may include generating an input feature map to be used to predict a channel parameter of the original signal based on a downmix signal of an original signal, determining an output feature map including a predicted parameter to be used to predict the channel parameter by applying the input feature map to a neural network, generating a label map including information associated with the channel parameter of the original signal, and predicting the channel parameter of the original signal by comparing the output feature map and the label map.
    Type: Application
    Filed: November 5, 2018
    Publication date: June 13, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Woo-taek LIM, Jongmo SUNG, Mi Suk LEE, Tae Jin LEE, Hui Yong KIM
  • APPARATUS AND METHOD FOR EXTRACTING SOUND SOURCE FROM MULTI-CHANNEL AUDIO SIGNAL
    Publication number: 20190180142
    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.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 13, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Woo-taek LIM, Seung Kwon BEACK
  • BINAURAL RENDERING METHOD AND APPARATUS FOR DECODING MULTI CHANNEL AUDIO
    Publication number: 20190147894
    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.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: 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
  • Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
    Patent number: 10277999
    Abstract: The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: April 30, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Dae-Young Jang, Tae-Jin Lee, Yong-Ju Lee, Jin-Woo Hong, Jin-Woong Kim
  • Multichannel audio signal processing method and device
    Patent number: 10264381
    Abstract: Disclosed are a multi-channel audio signal processing method and a multi-channel audio signal processing apparatus. The multi-channel audio signal processing method may generate N channel output signals from N/2 channel downmix signals based on an N-N/2-N structure.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 16, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jeong Il Seo, Jong Mo Sung, Tae Jin Lee, Dae Young Jang, Jin Woong Kim
  • Audio encoding apparatus and method, audio decoding apparatus and method, and audio reproducing apparatus
    Patent number: 10237673
    Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: March 19, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Kyeong Ok Kang, Jeong Il Seo, Dae Young Jang, Yong Ju Lee, Jin Woong Kim
  • Multichannel signal processing method, and multichannel signal processing apparatus for performing the method
    Patent number: 10225675
    Abstract: Provided are an encoding method of a multichannel signal, an encoding apparatus to perform the encoding method, a multichannel signal processing method, and a decoding apparatus to perform the decoding method. The decoding method may include identifying an N/2-channel downmix signal derived from an N-channel input signal; and generating an N-channel output signal from the identified N/2-channel downmix signal using a plurality of one-to-two (OTT) boxes. If a low frequency effect (LFE) channel is absent in the output signal, the number of OTT boxes may be equal to N/2 where N/2 denotes the number of channels of the downmix signal.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: March 5, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jeong Il Seo, Jong Mo Sung, Tae Jin Lee, Dae Young Jang, Jin Soo Choi
  • Binaural rendering method and apparatus for decoding multi channel audio
    Patent number: 10199045
    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.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: February 5, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: 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
  • BLOCK-BASED AUDIO ENCODING/DECODING DEVICE AND METHOD THEREFOR
    Publication number: 20190035412
    Abstract: Provided is an apparatus and method for encoding/decoding audio based on a block. A method of encoding an audio signal may include dividing each of frame of input signal that constitute an audio signal into a plurality of subframes; transforming the subframes to a frequency domain; determining a two-dimensional (2D) intra block using the subframes transformed to the frequency domain; and encoding the 2D intra block. The 2D intra block may be a block that two-dimensionally displays frequency coefficients of the subframes transformed to the frequency domain using a time and a frequency.
    Type: Application
    Filed: March 21, 2017
    Publication date: January 31, 2019
    Applicant: Electronics And Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Jongmo SUNG, Mi Suk LEE, Dae Young JANG, Jin Soo CHOI
  • ENCODER AND ENCODING METHOD FOR MULTI-CHANNEL SIGNAL, AND DECODER AND DECODING METHOD FOR MULTI-CHANNEL SIGNAL
    Publication number: 20190005971
    Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon BEACK, Tae Jin LEE, Jong Mo SUNG, Jeong Il SEO, Kyeong Ok KANG, Dae Young JANG, Jin Woong KIM
  • APPARATUS AND METHOD FOR PROCESSING MULTI-CHANNEL AUDIO SIGNAL
    Publication number: 20190007778
    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.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jeong Il SEO, Seung Kwon BEACK, Kyeong Ok KANG, Jin Woong KIM, Jae Hyoun YOO
  • ENCODING/DECODING APPARATUS FOR PROCESSING CHANNEL SIGNAL AND METHOD THEREFOR
    Publication number: 20180301155
    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.
    Type: Application
    Filed: June 18, 2018
    Publication date: October 18, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
  • Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
    Patent number: 10102863
    Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: October 16, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Tae Jin Lee, Jong Mo Sung, Jeong Il Seo, Kyeong Ok Kang, Dae Young Jang, Jin Woong Kim
  • CONTENT PROCESSING METHOD AND SYSTEM USING AUDIO SIGNAL OF ADVERTISEMENT DATA
    Publication number: 20180261212
    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.
    Type: Application
    Filed: July 20, 2017
    Publication date: September 13, 2018
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Young Ho JEONG, Seung Kwon BEACK, Tae Jin LEE, Jin Soo CHOI
  • Apparatus and method for processing multi-channel audio signal
    Patent number: 10075795
    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.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: September 11, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Seung Kwon Beack, Kyeong Ok Kang, Jin Woong Kim, Jae Hyoun Yoo
  • Encoding/decoding apparatus for processing channel signal and method therefor
    Patent number: 10068579
    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.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: September 4, 2018
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il Seo, Seung Kwon Beack, Dae Young Jang, Kyeong Ok Kang, Tae Jin Park, Yong Ju Lee, Keun Woo Choi, Jin Woong Kim