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公开(公告)号：US10582324B2
公开(公告)日：2020-03-03
申请号：US16126466
申请日：2018-09-10
Inventor： Yong Ju Lee , Jeong Il Seo , Seung Kwon Beack , Kyeong Ok Kang , Jin Woong Kim , Jae Hyoun Yoo
IPC: H04S3/00 , G10L19/008
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.
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公开(公告)号：US10136238B2
公开(公告)日：2018-11-20
申请号：US14814608
申请日：2015-07-31
Inventor： Jeong Il Seo , Tae Jin Park , Jae Hyoun Yoo , Yong Ju Lee , Jung Woo Choi
IPC: H04R5/04 , H04S5/00 , H04S7/00 , H04R3/12 , A63H17/42 , H04S3/00 , G01S7/524 , G01S15/89 , H04R29/00 , H04R1/40
Abstract: An audio system and method using indoor response estimation are disclosed. An acoustic feature prediction method of the audio system may include generating a detection signal based on an input signal and a modulation code; generating an acoustic signal based on the detection signal and outputting the acoustic signal to a plurality of speakers; measuring acoustic signals output from the speakers where the speakers are installed; and predicting acoustic features related to the speakers based on the measured acoustic signals and the modulation code.
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公开(公告)号：US10117040B2
公开(公告)日：2018-10-30
申请号：US15144556
申请日：2016-05-02
Inventor： Jeong Il Seo , Tae Jin Park , Jae Hyoun Yoo
IPC: H04S7/00
Abstract: An audio system and method of extracting indoor reflection characteristics, the method including generating a detection signal based on an input signal and a modulation code, outputting a sound signal generated based on the detection signal through a plurality of speakers, measuring sound signals output through the plurality of speakers, or sound signals reflected by a wall of a space in which the plurality of speakers is installed, and extracting reflection characteristics of the space based on the measured sound signals and the modulation code, is disclosed.
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公开(公告)号：US09774974B2
公开(公告)日：2017-09-26
申请号：US14851913
申请日：2015-09-11
Applicant: Electronics and Telecommunications Research Institute , Kyonggi University Industry & Academia Cooperation Foundation
Inventor： Jae Hyoun Yoo , Tae Jin Lee , Seok Jin Lee
IPC: H04S3/02 , H04S3/00 , G10L19/16 , G10L19/008
CPC classification number: H04S3/02 , G10L19/008 , G10L19/173 , H04S3/008 , H04S2400/01 , H04S2400/03
Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.
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公开(公告)号：US12231864B2
公开(公告)日：2025-02-18
申请号：US18526897
申请日：2023-12-01
Inventor： Yong Ju Lee , Jeong Il Seo , Seung Kwon Beack , Kyeong Ok Kang , Jin Woong Kim , Jae Hyoun Yoo
IPC: H04S3/00 , G10L19/008 , G10L21/0316
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.
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Patent Agency Ranking
公开(公告)号：US11682402B2
公开(公告)日：2023-06-20
申请号：US17201943
申请日：2021-03-15
Inventor： 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
IPC: G10L19/008 , H04S7/00
CPC classification number: G10L19/008 , H04S7/00 , H04S7/30 , H04S2400/01 , H04S2400/03
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.
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公开(公告)号：US11405738B2
公开(公告)日：2022-08-02
申请号：US16703226
申请日：2019-12-04
Inventor： Yong Ju Lee , Jeong Il Seo , Seung Kwon Beack , Kyeong Ok Kang , Jin Woong Kim , Jae Hyoun Yoo
IPC: H04S3/00 , G10L19/008
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.
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公开(公告)号：US10587975B2
公开(公告)日：2020-03-10
申请号：US16240020
申请日：2019-01-04
Inventor： Jae Hyoun Yoo , Tae Jin Lee , Seok Jin Lee
IPC: H04S3/02 , H04S3/00 , G10L19/16 , G10L19/008
Abstract: An audio metadata providing apparatus and method and a multichannel audio data playback apparatus and method to support a dynamic format conversion are provided. Dynamic format conversion information may include information about a plurality of format conversion schemes that are used to convert a first format set by an author of multichannel audio data into a second format that is based on a playback environment of the multichannel audio data and that are each set for corresponding playback periods of the multichannel audio data. The audio metadata providing apparatus may provide audio metadata including the dynamic format conversion information. The multichannel audio data playback apparatus may identify the dynamic format conversion information from the audio metadata, may convert the first format of the multichannel audio data into the second format based on the identified dynamic format conversion information, and may play back the multichannel audio data in the second format.
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公开(公告)号：US10511925B2
公开(公告)日：2019-12-17
申请号：US16126466
申请日：2018-09-10
Inventor： Yong Ju Lee , Jeong Il Seo , Seung Kwon Beack , Kyeong Ok Kang , Jin Woong Kim , Jae Hyoun Yoo
IPC: H04S3/00 , G10L19/008
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.
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公开(公告)号：US10075795B2
公开(公告)日：2018-09-11
申请号：US14767538
申请日：2014-04-18
Inventor： Yong Ju Lee , Jeong Il Seo , Seung Kwon Beack , Kyeong Ok Kang , Jin Woong Kim , Jae Hyoun Yoo
IPC: H04S3/00 , G10L19/008
CPC classification number: H04S3/008 , G10L19/008 , H04S2400/01
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.
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