Patents by Inventor Ho-Chong Park
Ho-Chong Park 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: 11922962Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: August 25, 2022Date of Patent: March 5, 2024Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Publication number: 20220406321Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: ApplicationFiled: August 25, 2022Publication date: December 22, 2022Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
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Patent number: 11430458Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: March 31, 2020Date of Patent: August 30, 2022Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KAWNGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Publication number: 20220005486Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.Type: ApplicationFiled: July 12, 2021Publication date: January 6, 2022Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seung Kwon BEACK, Tae Jin LEE, Min Je KIM, Dae Young JANG, Kyeongok KANG, Jin Woo HONG, Ho Chong PARK, Young-cheol PARK
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Patent number: 11062718Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.Type: GrantFiled: September 25, 2017Date of Patent: July 13, 2021Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seung Kwon Beack, Tae Jin Lee, Min Je Kim, Dae Young Jang, Kyeongok Kang, Jin Woo Hong, Ho Chong Park, Young-cheol Park
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Publication number: 20200227060Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: ApplicationFiled: March 31, 2020Publication date: July 16, 2020Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
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Patent number: 10622001Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: May 15, 2018Date of Patent: April 14, 2020Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Publication number: 20180261235Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: ApplicationFiled: May 15, 2018Publication date: September 13, 2018Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
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Patent number: 10002619Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: July 1, 2016Date of Patent: June 19, 2018Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Publication number: 20180130478Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.Type: ApplicationFiled: September 25, 2017Publication date: May 10, 2018Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seung Kwon BEACK, Tae Jin LEE, Min Je KIM, Dae Young JANG, Kyeongok KANG, Jin Woo HONG, Ho Chong PARK, Young-cheol PARK
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Patent number: 9881624Abstract: A method is provided. The method includes obtaining a low-band spectrum of an audio signal in which a low-band signal is frequency transformed; obtaining phase information of a high-band spectrum of the audio signal based on the low-band spectrum; and outputting a bitstream that comprises the phase information of the high-band spectrum.Type: GrantFiled: May 15, 2013Date of Patent: January 30, 2018Assignees: SAMSUNG ELECTRONICS CO., LTD., KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Ki-hyun Choo, Ho-chong Park, Eun-mi Oh
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Patent number: 9773505Abstract: An encoding apparatus and a decoding apparatus in a transform between a Modified Discrete Cosine Transform (MDCT)-based coder and a different coder are provided. The encoding apparatus may encode additional information to restore an input signal encoded according to the MDCT-based coding scheme, when switching occurs between the MDCT-based coder and the different coder. Accordingly, an unnecessary bitstream may be prevented from being generated, and minimum additional information may be encoded.Type: GrantFiled: September 18, 2009Date of Patent: September 26, 2017Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seung Kwon Beack, Tae Jin Lee, Min Je Kim, Dae Young Jang, Kyeongok Kang, Jin Woo Hong, Ho Chong Park, Young-cheol Park
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Publication number: 20160314798Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
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Patent number: 9384748Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: January 2, 2015Date of Patent: July 5, 2016Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLOBARATION FOUNDATIONInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Publication number: 20160118056Abstract: A method is provided. The method includes obtaining a low-band spectrum of an audio signal in which a low-band signal is frequency transformed; obtaining phase information of a high-band spectrum of the audio signal based on the low-band spectrum; and outputting a bitstream that comprises the phase information of the high-band spectrum.Type: ApplicationFiled: May 15, 2013Publication date: April 28, 2016Applicants: SAMSUNG ELECTRONICS CO., LTD., KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Ki-hyun CHOO, Ho-chong PARK, Eun-mi OH
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Publication number: 20150134328Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: ApplicationFiled: January 2, 2015Publication date: May 14, 2015Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATIONInventors: Seungkwon BEACK, Tae Jin LEE, Min Je KIM, Kyeongok KANG, Dae Young JANG, Jeongil SEO, Jin Woo HONG, Chieteuk AHN, Ho Chong PARK, Young-cheol PARK
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Patent number: 8954321Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.Type: GrantFiled: November 26, 2009Date of Patent: February 10, 2015Assignees: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration FoundationInventors: Seungkwon Beack, Tae Jin Lee, Min Je Kim, Kyeongok Kang, Dae Young Jang, Jeongil Seo, Jin Woo Hong, Chieteuk Ahn, Ho Chong Park, Young-cheol Park
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Patent number: 8582657Abstract: Provided are an apparatus for multi-stage transforming a plurality of unit blocks in multi-dimension that can improve compression efficiency of video data by collecting Discrete Cosine Transforming (DCT) coefficients of neighboring blocks and performing an additional transformation based on the DCT coefficients of an original picture and a differential picture. The method includes the steps of: performing a Discrete Cosine Transform (DCT) on inputted picture data and selecting R blocks of a predetermined size from DCT picture data, where R is a natural number equal to or greater than 2; arranging DCT coefficients of each of the selected R blocks according to each frequency in one-dimension; and performing one-dimensional transformation again on the DCT coefficients arranged in one-dimension.Type: GrantFiled: February 22, 2007Date of Patent: November 12, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Se-Yoon Jeong, Hae-Chul Choi, Jeong-Il Seo, Seung-Kwon Beack, In-Seon Jang, Jae-Gon Kim, Kyung-Ae Moon, Dae-Young Jang, Jin-Woo Hong, Jin-Woong Kim, Chang-Beom Ahn, Seoung-Jun Oh, Dong-Gyu Sim, Ho-Chong Park, Yung-Lyul Lee, Su-Yeol Jeon
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Patent number: 8571878Abstract: A speech compression apparatus including: a first band-transform unit transforming a wideband speech signal to a narrowband low-band speech signal; a narrowband speech compressor compressing the narrowband low-band speech signal and outputting a result of the compressing as a low-band speech packet; a decompression unit decompressing the low-band speech packet and obtaining a decompressed wideband low-band speech signal; an error detection unit detecting an error signal that corresponds to a difference between the wideband speech signal and the decompressed wideband low-band speech signal; and a high-band speech compression unit compressing the error signal and a high-band speech signal of the wideband speech signal and outputting the result of the compressing as a high-band speech packet.Type: GrantFiled: October 13, 2009Date of Patent: October 29, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-yong Son, Ho-chong Park, Yong-beom Lee, Woo-suk Lee
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Patent number: 8520536Abstract: An apparatus and method for recovering lost voice packets are provided, in which a packet loss detector determines whether a received packet has been lost, packet information storage stores voice information of previous voice packets and voice information of the received voice packet, a packet error corrector measures the voice information of the received voice packet, stores the measured voice information in the packet information storage, corrects the voice information when necessary, and generates a corrected voice packet, if the received voice packet is normal, and a packet loss recoverer recovers the voice information of the received voice packet using the voice information of previous voice packets stored in the packet information storage and generates a recovered voice packet, if the received voice packet has been lost.Type: GrantFiled: April 25, 2007Date of Patent: August 27, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Woo Ku, Austin Kim, Ho-Chong Park, Jae-Bum Kim, Chul-Yong Ahn, Pavel Martynovich