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公开(公告)号：US20200037091A1
公开(公告)日：2020-01-30
申请号：US16584812
申请日：2019-09-26
申请人： GAUDIO LAB, INC.
发明人： Sewoon JEON , Sangbae CHON , Jeonghun SEO
摘要： An audio signal processing apparatus including a receiving unit receiving an input audio signal, a processor generating an output audio signal reproducing a virtual sound source corresponding to the input audio signal in a virtual space, and an output unit outputting an output audio signal generated by the processor is disclosed. The processor may obtain spatial information related to the virtual space including a virtual sound source corresponding to the input audio signal and a listener, filter the input audio signal based on a location of the virtual sound source and the spatial information to generate at least one reflected sound corresponding to each of at least one mirror plane in the virtual space, obtain a relative location of a virtual reflect sound source with respect to a location and a view-point of the listener, based on information of the view-point of the listener and a location of the virtual reflect sound source corresponding to each of the at least one reflected sound, and binaural render the at least one reflected sound, based on the relative location of the virtual reflect sound source corresponding to each of the at least one reflected sound.
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公开(公告)号：US20230091281A1
公开(公告)日：2023-03-23
申请号：US17992944
申请日：2022-11-23
申请人： GAUDIO LAB, INC.
发明人： Hyunjoo CHUNG , Sangbae CHON
IPC分类号： H04S3/00 , G10L19/008 , H04S7/00
摘要： Disclosed is a device for processing an audio signal, which renders an audio signal. The device for processing an audio signal includes a processor. The processor receives metadata including an audio signal and first element reference distance information and renders a first element signal on the basis of the first element reference distance information, wherein the first element reference distance information indicates the reference distance of an element signal. The audio signal is capable of including a second element signal which may be simultaneously rendered with the first element signal, and the metadata is capable of including second element distance information indicating the distance of the second element signal. The number of bits required for representing the first element reference distance information is smaller than the number of bits required for representing the second element distance information.
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公开(公告)号：US20220231649A1
公开(公告)日：2022-07-21
申请号：US17700494
申请日：2022-03-22
申请人： GAUDIO LAB, INC.
发明人： Sangbae CHON , Kyutae PARK , Younghoon KWON , Hyunoh OH , Jeonghun SEO , Taegyu LEE , Hyunjoo CHUNG
IPC分类号： H03G3/30
摘要： An audio signal processing device comprises: a receiver for receiving an input audio signal; a processor for generating loudness metadata corresponding to the input audio signal; and an outputter for transmitting the loudness metadata generated by the processor. The processor is configured to acquire loudness information analyzed from input content, acquires loudness information about the input audio signal by measuring the loudness of the input audio signal, generates the loudness metadata by converting the loudness information, and transmits, through the outputter, the generated loudness metadata to an output device for outputting the input audio signal.
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4.发明申请公开(公告)号：US20220286103A1
公开(公告)日：2022-09-08
申请号：US17827658
申请日：2022-05-27
申请人： GAUDIO LAB, INC.
发明人： Hyunjoo CHUNG , Sangbae CHON , Hyunoh OH , Jeonghun SEO
摘要： Disclosed is a method of operating an audio signal processing apparatus playing content including an audio signal. The method includes receiving the audio signal, receiving metadata including information related to a loudness of the audio signal, the metadata including loudness distribution information indicating, for each of a plurality of steps separated according to a loudness magnitude, a ratio between an amount of the audio signal corresponding to each of the plurality of steps of the audio signal and a total amount of the audio signal, and adjusting the loudness of the audio signal based on the metadata.
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公开(公告)号：US20220166397A1
公开(公告)日：2022-05-26
申请号：US17535329
申请日：2021-11-24
申请人： GAUDIO LAB, INC.
发明人： Hyunjoo CHUNG , Hyunoh OH , Sangbae CHON , Jeonghun SEO
摘要： A method for performing loudness normalization by an audio signal processing device includes: receiving an audio signal; receiving information relating to integrated loudness of the audio signal; receiving information relating to target loudness of the audio signal; obtaining a corrected integrated loudness by correcting the integrated loudness based on one or more audio processing; and obtaining a normalized audio signal by normalizing the audio signal based on the corrected integrated loudness and the target loudness.
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6.发明申请公开(公告)号：US20210288626A1
公开(公告)日：2021-09-16
申请号：US17197018
申请日：2021-03-09
申请人： GAUDIO LAB, INC
发明人： Hyunjoo CHUNG , Sangbae CHON , Hyunoh OH , Jeonghun SEO
摘要： Disclosed is a method of operating an audio signal processing apparatus playing content including an audio signal. The method includes receiving the audio signal, receiving metadata including information related to a loudness of the audio signal, the metadata including loudness distribution information indicating, for each of a plurality of steps separated according to a loudness magnitude, a ratio between an amount of the audio signal corresponding to each of the plurality of steps of the audio signal and a total amount of the audio signal, and adjusting the loudness of the audio signal based on the metadata.
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公开(公告)号：US20210135644A1
公开(公告)日：2021-05-06
申请号：US17086298
申请日：2020-10-30
申请人： GAUDIO LAB, INC.
发明人： Sangbae CHON , Jeonghun SEO , Taegyu LEE , Younghoon KWON , Hyunoh OH
摘要： An audio signal processing apparatus is provided. The audio signal processing apparatus includes an input terminal receiving an input audio signal, a processor obtaining a difference between a playback loudness of the input audio signal and a desired loudness thereof and correcting a frequency band spectrum of an output audio signal for each of a plurality of frequency bands based on the difference between the playback loudness and the desired loudness of the input audio signal and a relationship between a loudness and a sound pressure for each of the plurality of frequency bands, and an output terminal outputting the output audio signal. The playback loudness is a loudness of the output audio signal when the input audio signal is output without the correction.
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公开(公告)号：US20210111686A1
公开(公告)日：2021-04-15
申请号：US17067624
申请日：2020-10-09
申请人： GAUDIO LAB, INC.
发明人： Sangbae CHON , Jiwon OH , Hyunoh OH , Jeonghun SEO , Taegyu LEE
摘要： A method of generating audio loudness performed by an audio loudness generation device may include: receiving loudness information on each of a plurality of audio tracks included in one group; predicting an intermediate loudness distribution, which is a loudness distribution for the one group, on the basis of the loudness information on each of the plurality of audio tracks; and generating an integrated loudness for the one group on the basis of the intermediate loudness distribution.
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公开(公告)号：US20180091919A1
公开(公告)日：2018-03-29
申请号：US15826485
申请日：2017-11-29
申请人： GAUDIO LAB, INC.
发明人： Sangbae CHON , Taegyu LEE , Hyunoh OH
CPC分类号： H04S7/303 , H04S3/008 , H04S2400/01 , H04S2400/11 , H04S2420/01 , H04S2420/11
摘要： An audio signal processing device for processing an audio signal may include a receiving unit configured to receive an audio file including the audio signal, a processor configured to simultaneously render a first audio signal component included in a first track of the audio file and a second audio signal component included in a second track of the audio file, and an output unit configured to output the rendered first audio signal component and the rendered second audio signal component.
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公开(公告)号：US20180091917A1
公开(公告)日：2018-03-29
申请号：US15715062
申请日：2017-09-25
申请人： Gaudio Lab, Inc.
发明人： Sangbae CHON , Hyunoh OH , Taegyu LEE
CPC分类号： H04S7/303 , H04S3/008 , H04S7/305 , H04S2400/01 , H04S2400/11 , H04S2420/01 , H04S2420/11
摘要： Disclosed is an audio signal processing device for processing an audio signal. The audio signal processing device includes a receiving unit configured to receive the audio signal; a processor configured to determine whether to render the audio signal by reflecting a location of a sound image simulated by the audio signal on the basis of metadata for the audio signal, and render the audio signal according to a result of the determination; and an output unit configured to output the rendered audio signal.
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