Patents by Inventor Kyeong Ok Kang

Kyeong Ok Kang 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).

  • Device and method for generating audio data, and device and method for playing audio data
    Patent number: 9836269
    Abstract: An apparatus and method for generating audio data and an apparatus and method for playing audio data may be disclosed, in which the apparatus for playing the audio data may extract a descriptor related to a multichannel audio signal from a bitstream generated by the apparatus for generating the audio data, and play the multichannel audio signal, based on the extracted descriptor, and the descriptor may include information on an audio signal included in the multichannel audio signal.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: December 5, 2017
    Assignees: Electronics and Telecommunications Research Institute, NIPPON HOSO KYOKAI
    Inventors: Jae Hyoun Yoo, Tae Jin Lee, Kyeong Ok Kang, Kaoru Watanabe, Satoshi Oode, Ikuko Sawaya
  • AUDIO ENCODING APPARATUS AND METHOD, AND AUDIO DECODING APPARATUS AND METHOD
    Publication number: 20170316786
    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: Application
    Filed: July 17, 2017
    Publication date: November 2, 2017
    Applicants: 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
  • Device and method for generating audio data, and device and method for playing audio data
    Patent number: 9804815
    Abstract: An apparatus and method for generating audio data and an apparatus and method for playing audio data may be disclosed, in which the apparatus for playing the audio data may extract a descriptor related to a multichannel audio signal from a bitstream generated by the apparatus for generating the audio data, and play the multichannel audio signal, based on the extracted descriptor, and the descriptor may include information on an audio signal included in the multichannel audio signal.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: October 31, 2017
    Assignees: Electronics and Telecommunications Research Institute, NIPPON HOSO KYOKAI
    Inventors: Jae Hyoun Yoo, Tae Jin Lee, Kyeong Ok Kang, Kaoru Watanabe, Satoshi Oode, Ikuko Sawaya
  • ENCODER AND ENCODING METHOD FOR MULTI-CHANNEL SIGNAL, AND DECODER AND DECODING METHOD FOR MULTI-CHANNEL SIGNAL
    Publication number: 20170278521
    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: June 12, 2017
    Publication date: September 28, 2017
    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
  • Audio encoding apparatus and method, and audio decoding apparatus and method
    Patent number: 9711150
    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: August 22, 2013
    Date of Patent: July 18, 2017
    Assignees: Electronics and Telecommunications Research Institute, The Korea Development Bank
    Inventors: Seung Kwon Beack, Tae Jin Lee, Kyeong Ok Kang, Keun Woo Choi, Jong Mo Sung
  • Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
    Patent number: 9679571
    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: April 10, 2014
    Date of Patent: June 13, 2017
    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
  • SYSTEM AND METHOD FOR SYNCHRONIZING AUDIO SIGNAL AND VIDEO SIGNAL
    Publication number: 20170163978
    Abstract: A system and method for synchronizing an audio signal and a video signal are provided. A decoding method in the system may include decoding an audio signal and a video signal received from an encoding apparatus, extracting first unique information of the audio signal from the decoded video signal, generating second unique information of the audio signal based on the decoded audio signal, determining a delay between the audio signal and the video signal by comparing the first unique information to the second unique information, and synchronizing the audio signal and the video signal based on the delay. The first unique information may be generated based on an audio signal that is not encoded by the encoding apparatus, and may be inserted into the video signal.
    Type: Application
    Filed: August 4, 2016
    Publication date: June 8, 2017
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Mi Suk LEE, Kyeong Ok KANG, Tae Jin PARK, Seung Kwon BEACK, Sang Won SUH, Jong Mo SUNG, Tae Jin LEE
  • Audio encoding/decoding device using reverberation signal of object audio signal
    Patent number: 9595266
    Abstract: An audio coding and decoding apparatus is disclosed. The audio coding apparatus may include an audio signal encoding unit to encode an audio signal; and a bitstream transmission unit to convert the audio signal into a bitstream and transmit the bitstream, wherein the audio signal comprises a channel audio signal, an object audio signal, and a reverberation signal of the object audio signal.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: March 14, 2017
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jeong Il Seo, Tae Jin Lee, Jong Mo Sung, Kyeong Ok Kang, Jin Woong Kim
  • BROADCAST TRANSMITTING/PLAYBACK APPARATUS AND METHOD THEREOF
    Publication number: 20160351201
    Abstract: A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a multichannel audio signal are provided. The broadcast transmitting apparatus may generate audio identification information used to determine whether the multichannel audio signal is an object-based audio signal. When the multichannel audio signal is determined to be the object-based audio signal, based on the audio identification information, the broadcast playback apparatus may control and output the multichannel audio signal for each channel.
    Type: Application
    Filed: August 8, 2016
    Publication date: December 1, 2016
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Tae Jin LEE, Kyeong Ok KANG, Jin Woong KIM, Chie Teuk AHN
  • Apparatus and method for generating wave field synthesis signals
    Patent number: 9454967
    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.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 27, 2016
    Assignee: Electronics and Telecommunications Research Instit
    Inventors: Jae-Hyoun Yoo, Keun Woo Choi, Jeong Il Seo, Kyeong Ok Kang
  • BINAURAL RENDERING METHOD AND APPARATUS FOR DECODING MULTI CHANNEL AUDIO
    Publication number: 20160232902
    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: April 18, 2016
    Publication date: August 11, 2016
    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
  • Broadcast transmitting/playback apparatus and method thereof
    Patent number: 9412384
    Abstract: A broadcast transmitting apparatus and method, and a broadcast playback apparatus and method for providing an object-based audio by encoding and decoding a multichannel audio signal are provided. The broadcast transmitting apparatus may generate audio identification information used to determine whether the multichannel audio signal is an object-based audio signal. When the multichannel audio signal is determined to be the object-based audio signal, based on the audio identification information, the broadcast playback apparatus may control and output the multichannel audio signal for each channel.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: August 9, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Tae Jin Lee, Kyeong Ok Kang, Jin Woong Kim, Chie Teuk Ahn
  • AUDIO SIGNAL COMMUNICATION METHOD AND SYSTEM THEREOF
    Publication number: 20160203824
    Abstract: Example embodiments of the present invention relate to an audio signal communication method at a transmitter and a receiver, and a system thereof. There may be provided an audio signal communication method which includes hiding data in an audio signal via audio watermarking and extracting a fingerprint of the audio signal, generating a transmit audio signal by audio-watermarking the audio signal from which the fingerprint is extracted with the data, extracting the fingerprint of the audio signal using the audio signal and the transmit audio signal, and transmitting the transmit audio signal to a receiver.
    Type: Application
    Filed: August 31, 2015
    Publication date: July 14, 2016
    Inventors: Tae Jin PARK, Seung Kwon BEACK, Jong Mo SUNG, Yong Ju LEE, Kyeong Ok KANG, Jin Woong KIM, Tae Jin LEE
  • Device and method for encoding and decoding multichannel signal
    Patent number: 9361897
    Abstract: Provided is an apparatus and method for converting a 10.2 channel signal into a multi-channel signal having a relatively few number of channels, thereby encoding and decoding the 10.2 channel signal. An apparatus for encoding/decoding a multi-channel signal may include a multi-channel signal converter to convert a first multi-channel signal into a second multi-channel signal having a fewer number of channels when compared to the first multi-channel signal, a remaining signal generator to generate a remaining signal using a difference between the first multi-channel signal and the second multi-channel signal, and an encoder to encode the second multi-channel signal and the remaining signal.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: June 7, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae Hyoun Yoo, Tae Jin Lee, Kyeong Ok Kang
  • Apparatus and method for generating multimedia data, and apparatus and method for playing multimedia data
    Patent number: 9357325
    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.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: May 31, 2016
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju Lee, Jeong Il Seo, Keunwoo Choi, Tae Jin Park, Kyeong Ok Kang
  • VIRTUAL SOUND IMAGE LOCALIZATION METHOD FOR TWO DIMENSIONAL AND THREE DIMENSIONAL SPACES
    Publication number: 20160112820
    Abstract: A virtual sound image localization method in a two-dimensional (2D) space and three-dimensional (3D) space is provided. The virtual sound image localization method may include setting a reproduction region including at least one loudspeaker available in an output channel; dividing the reproduction region into a plurality of sub-regions; determining a sub-region in which a virtual sound source to be reproduced is located among the sub-regions; determining a panning coefficient used to reproduce the virtual sound source, based on the determined sub-region; and rendering an input signal based on the panning coefficient.
    Type: Application
    Filed: July 7, 2014
    Publication date: April 21, 2016
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jae Hyoun YOO, Yong Ju LEE, Jeong Il SEO, Kyeong Ok KANG, Keun Woo CHOI, Hee Suk PANG
  • Binaural rendering method and apparatus for decoding multi channel audio
    Patent number: 9319819
    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: July 25, 2014
    Date of Patent: April 19, 2016
    Assignee: ETRI
    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
  • APPARATUS AND METHOD FOR TRANSMITTING WATERMARK ROBUST TO ACOUSTIC CHANNEL DISTORTION
    Publication number: 20160104498
    Abstract: A method and an apparatus for transmitting a watermark robust to an acoustic channel distortion are disclosed. The method of transmitting the watermark may include extracting a watermark from a first audio signal including the watermark; modifying the extracted watermark based on a state of an acoustic channel; and embedding the modified watermark into the first audio signal to output a second audio signal.
    Type: Application
    Filed: October 13, 2015
    Publication date: April 14, 2016
    Inventors: Seung Kwon BEACK, Tae Jin PARK, Jong Mo SUNG, Yong Ju LEE, Tae Jin LEE, Kyeong Ok KANG
  • Apparatus and method for transmitting audio object
    Patent number: 9312971
    Abstract: An apparatus and method for transmitting a plurality of audio objects using a multichannel encoder and a multichannel decoder are provided. The audio object encoder includes a multichannel encoder determination unit to determine a multichannel encoder to be used for encoding of a plurality of audio objects according to the number of the audio objects, an encoding unit to generate an encoded signal by encoding the plurality of audio objects using the determined multichannel encoder, and a multichannel audio object signal generation unit to generating a multichannel audio object signal, by multiplexing sound image localization information of the plurality of audio objects along with the encoded signal.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: April 12, 2016
    Assignee: Electronics and Telecomunications Research Institute
    Inventors: Jae Hyoun Yoo, Jeong Il Seo, Tae Jin Lee, Keun Woo Choi, Kyeong Ok Kang
  • Apparatus and method for coding and decoding multi-object audio signal with various channel
    Patent number: 9311919
    Abstract: Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals into one down-mixed audio signal and extracting supplementary information including header information and spatial cue information for each of the audio signals, a coder for coding the down-mixed audio signal, and a supplementary information coder for generating the supplementary information as a bit stream. The header information includes identification information for each of the audio signals and channel information for the audio signals.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: April 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Kwon Beack, Jeong-Il Seo, Tae-Jin Lee, Yong-Ju Lee, In-Seon Jang, Jae-Hyoun Yoo, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Kyeong-Ok Kang