Patents by Inventor Hong-Goo Kang
Hong-Goo 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).
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Patent number: 11881227Abstract: A method, executed by a processor for compressing an audio signal in multiple layers, may comprise: (a) restoring, in a highest layer, an input audio signal as a first signal; (b) restoring, in at least one intermediate layer, a signal obtained by subtracting an upsampled signal, which is obtained by upsampling the audio signal restored in the highest layer or an immediately previous intermediate layer, from the input audio signal as a second signal; and (c) restoring, in a lowest layer, a signal obtained by subtracting an upsampled signal, which is obtained by upsampling the audio signal restored in an intermediate layer immediately before the lowest layer, from the input audio signal as a third signal, wherein the first signal, the second signal, and the third signal are combined to output a final restoration audio signal.Type: GrantFiled: January 13, 2023Date of Patent: January 23, 2024Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESERCH INSTITUTE, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: In Seon Jang, Seung Kwon Beack, Jong Mo Sung, Tae Jin Lee, Woo Taek Lim, Byeong Ho Cho, Hong Goo Kang, Ji Hyun Lee, Chan Woo Lee, Hyung Seob Lim
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Publication number: 20230267950Abstract: A generative adversarial network-based audio signal generation model for generating a high quality audio signal may comprise: a generator generating an audio signal with an external input; a harmonic-percussive separation model separating the generated audio signal into a harmonic component signal and a percussive component signal; and at least one discriminator evaluating whether each of the harmonic component signal and the percussive component signal is real or fake.Type: ApplicationFiled: January 13, 2023Publication date: August 24, 2023Applicants: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: In Seon JANG, Seung Kwon BEACK, Jong Mo SUNG, Tae Jin LEE, Woo Taek LIM, Byeong Ho CHO, Hong Goo KANG, Ji Hyun LEE, Chan Woo LEE, Hyung Seob LIM
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Publication number: 20230267940Abstract: A method, executed by a processor for compressing an audio signal in multiple layers, may comprise: (a) restoring, in a highest layer, an input audio signal as a first signal; (b) restoring, in at least one intermediate layer, a signal obtained by subtracting an upsampled signal, which is obtained by upsampling the audio signal restored in the highest layer or an immediately previous intermediate layer, from the input audio signal as a second signal; and (c) restoring, in a lowest layer, a signal obtained by subtracting an upsampled signal, which is obtained by upsampling the audio signal restored in an intermediate layer immediately before the lowest layer, from the input audio signal as a third signal, wherein the first signal, the second signal, and the third signal are combined to output a final restoration audio signal.Type: ApplicationFiled: January 13, 2023Publication date: August 24, 2023Applicants: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: In Seon JANG, Seung Kwon BEACK, Jong Mo SUNG, Tae Jin LEE, Woo Taek LIM, Byeong Ho CHO, Hong Goo KANG, Ji Hyun LEE, Chan Woo LEE, Hyung Seob LIM
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Publication number: 20220335963Abstract: An audio signal encoding and decoding method using a neural network model, and an encoder and decoder for performing the same are disclosed. A method of encoding an audio signal using a neural network model, the method may include identifying an input signal, generating a quantized latent vector by inputting the input signal into a neural network model encoding the input signal, and generating a bitstream corresponding to the quantized latent vector, wherein the neural network model may include i) a feature extraction layer generating a latent vector by extracting a feature of the input signal, ii) a plurality of downsampling blocks downsampling the latent vector, and iii) a plurality of quantization blocks performing quantization of a downsampled latent vector.Type: ApplicationFiled: February 11, 2022Publication date: October 20, 2022Inventors: Inseon JANG, Seung Kwon BEACK, Jongmo SUNG, Tae Jin LEE, Woo-taek LIM, Hong-Goo KANG, Jihyun LEE, Chanwoo LEE, Hyungseob LIM
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Publication number: 20210090551Abstract: An emotional speech generating method and apparatus capable of adjusting an emotional intensity is disclosed. The emotional speech generating method includes generating emotion groups by grouping weight vectors representing a same emotion into a same emotion group, determining an internal distance between weight vectors included in a same emotion group, determining an external distance between weight vectors included in a same emotion group and weight vectors included in another emotion group, determining a representative weight vector of each of the emotion groups based on the internal distance and the external distance, generating a style embedding by applying the representative weight vector of each of the emotion groups to a style token including prosodic information for expressing an emotion, and generating an emotional speech expressing the emotion using the style embedding.Type: ApplicationFiled: September 23, 2020Publication date: March 25, 2021Applicants: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Inseon JANG, Hong-Goo KANG, Chung Hyun AHN, Se-Yun UM, Sangshin OH, Tae Jin LEE
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Publication number: 20190019500Abstract: Disclosed is a method and apparatus for training a speech signal. A speech signal training apparatus of the present disclosure may include a target speaker speech database storing a target speaker speech signal; a multi-speaker speech database storing a multi-speaker speech signal; a target speaker acoustic parameter extracting unit extracting an acoustic parameter of a training subject speech signal from the target speaker speech signal; a similar speaker acoustic parameter determining unit extracting at least one similar speaker speech signal from the multi-speaker speech signals, and determining an auxiliary speech feature of the similar speaker speech signal; and an acoustic parameter model training unit determining an acoustic parameter model by performing model training for a relation between the acoustic parameter and text by using the acoustic parameter and the auxiliary speech feature, and setting mapping information of the relation between the acoustic parameter model and the text.Type: ApplicationFiled: July 13, 2018Publication date: January 17, 2019Applicants: Electronics and Telecommunications Research Institute, YONSEI UNIVERSITY INDUSTRY FOUNDATION (YONSEI UIF)Inventors: In Seon JANG, Hong Goo KANG, Hyeon Joo KANG, Young Sun Joo, Chung Hyun AHN, Jeong Il SEO, Seung Jun YANG, Ji Hoon CHOI
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Patent number: 9269366Abstract: A hybrid instantaneous/differential encoding technique is described herein that may be used to reduce the bit rate required to encode a pitch period associated with a segment of a speech signal in a manner that will result in relatively little or no degradation of a decoded speech signal generated using the encoded pitch period. The hybrid instantaneous/differential encoding technique is advantageously applicable to any speech codec that encodes a pitch period associated with a segment of a speech signal.Type: GrantFiled: July 30, 2010Date of Patent: February 23, 2016Assignee: Broadcom CorporationInventors: Juin-Hwey Chen, Hong-Goo Kang
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Patent number: 9214160Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: August 6, 2013Date of Patent: December 15, 2015Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jung Wook Song
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Patent number: 9153237Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.Type: GrantFiled: April 16, 2015Date of Patent: October 6, 2015Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hye Jeong Jeon, Dae Hwan Kim, Hong Goo Kang, Min Ki Lee, Byung Suk Lee, Gyu Hyeok Jeong
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Patent number: 9117458Abstract: A method of processing an audio signal is disclosed. The present invention includes a method for processing an audio signal, comprising: receiving, by an audio processing apparatus, the spectral data including a current block, and substitution type information indicating whether to apply a shape prediction scheme to a current block; when the substitution type information indicates that the shape prediction scheme is applied to the current block, receiving lag information indicating an interval between spectral coefficients of the current block and the predictive shape vector of a current frame or a previous frame; obtaining spectral coefficients by substituting for spectral hole included in the current block using the predictive shape vector.Type: GrantFiled: November 2, 2010Date of Patent: August 25, 2015Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang
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Publication number: 20150221311Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.Type: ApplicationFiled: April 16, 2015Publication date: August 6, 2015Inventors: Hye Jeong JEON, Dae Hwan KIM, Hong Goo KANG, Min Ki LEE, Byung Suk LEE, Gyu Hyeok JEONG
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Patent number: 9082399Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: August 6, 2013Date of Patent: July 14, 2015Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jung Wook Song
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Patent number: 9070364Abstract: An audio signal processing method is disclosed. The audio signal processing method includes receiving a residual and long term prediction information, performing inverse frequency mapping with respect to the residual to generate a synthesized residual, and performing long term synthesis based on the synthesized residual and the long term prediction information to generate a synthesized audio signal of a current frame, wherein the long term prediction information comprises a final prediction gain and a final pitch lag, the final pitch lag has a range starting with 0, and the long term synthesis is performed based on a synthesized audio signal of a frame comprising a preceding frame.Type: GrantFiled: May 25, 2009Date of Patent: June 30, 2015Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Jeongook Song, Yang Won Jung, Hong Goo Kang
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Patent number: 9064490Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: August 6, 2013Date of Patent: June 23, 2015Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jung Wook Song
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Patent number: 9020812Abstract: Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.Type: GrantFiled: November 24, 2010Date of Patent: April 28, 2015Assignees: LG Electronics Inc., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hye Jeong Jeon, Dae Hwan Kim, Hong Goo Kang, Min Ki Lee, Byung Suk Lee, Gyu Hyeok Jeong
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Patent number: 8996388Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: August 6, 2013Date of Patent: March 31, 2015Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jung Wook Song
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Patent number: 8990095Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: August 6, 2013Date of Patent: March 24, 2015Assignee: Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jung Wook Song
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Patent number: RE47536Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: December 15, 2017Date of Patent: July 23, 2019Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong Goo Kang, Jeungook Song
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Patent number: RE48916Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: July 22, 2019Date of Patent: February 1, 2022Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong-Goo Kang, Jeungook Song
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Patent number: RE49813Abstract: An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part.Type: GrantFiled: January 31, 2022Date of Patent: January 23, 2024Assignee: Dolby Laboratories Licensing CorporationInventors: Hyen-O Oh, Chang Heon Lee, Hong-Goo Kang, Jeungook Song