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公开(公告)号：US11336248B2
公开(公告)日：2022-05-17
申请号：US17067624
申请日：2020-10-09
Applicant: GAUDIO LAB, INC.
Inventor： Sangbae Chon , Jiwon Oh , Hyunoh Oh , Jeonghun Seo , Taegyu Lee
Abstract: 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：US20230072261A1
公开(公告)日：2023-03-09
申请号：US17939306
申请日：2022-09-07
Applicant: NAVER CORPORATION , GAUDIO LAB, INC.
Inventor： Jung Sik Kim , Dae Hwang Kim , Dong Hwan Kim , Taegyu Lee , Jeonghun Seo , Jiwon Oh
IPC: H04N21/485 , H04N5/775 , H04N5/60
Abstract: A computer system for rendering event-customized audio content and a method thereof. The computer system may be configured to receive an event list of a plurality of events, an audio list for audio rendering information that matches each of the events, and event state information on a current event state, and to output current audio content according to audio rendering information that matches one of the events based on the current event state.
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公开(公告)号：US11316490B2
公开(公告)日：2022-04-26
申请号：US17053772
申请日：2020-03-12
Applicant: GAUDIO LAB, INC.
Inventor： Sangbae Chon , Kyutae Park , Younghoon Kwon , Hyunoh Oh , Jeonghun Seo , Taegyu Lee , Hyunjoo Chung
IPC: H03G3/30
Abstract: 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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公开(公告)号：US11838570B2
公开(公告)日：2023-12-05
申请号：US17653145
申请日：2022-03-02
Applicant: NAVER CORPORATION , GAUDIO LAB, INC.
Inventor： Seongcheol Jo , Taek Su An , Sung Hyun Kang , JiUng Lee , Byung Gyou Choi , Jeongsoo Hur , Hyeonsu Seo , Taegyu Lee , Hyun Oh Oh
IPC: H04N21/23 , H04N21/2387 , H04N21/233 , H04N21/237 , H04N21/45
CPC classification number: H04N21/2387 , H04N21/233 , H04N21/237 , H04N21/4532
Abstract: A loudness normalization method includes receiving data for playback of content from a server in response to a user's request to play back the content; normalizing the loudness of the content by adjusting the volume output level of a player using volume level metadata of the content included in the received data; and providing the content by playing audio of the content based on the adjusted volume output level of the player.
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公开(公告)号：US11470435B2
公开(公告)日：2022-10-11
申请号：US17066454
申请日：2020-10-08
Applicant: GAUDIO LAB, INC.
Inventor： Jeonghun Seo , Taegyu Lee , Hyunoh Oh , Jaesung Choi
Abstract: Disclosed is an audio signal processing device. The audio signal processing device includes a receiving end configured to receive a 2-channel stereo signal and a processor configured to process the 2-channel stereo signal. The processor is configured to filter the 2-channel stereo signal using a spatial distortion removal filter and output the filtered 2-channel stereo signal to a speaker including two or more channels. The spatial distortion removal filter is a filter for offsetting distortion that occurs when the output signal is transmitted from the speaker to a listener, and includes an ipsilateral filter applied to an ipsilateral signal of the 2-channel audio signal and a contralateral filter applied to a contralateral signal of the 2-channel audio signal.
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Patent Agency Ranking
公开(公告)号：US11212631B2
公开(公告)日：2021-12-28
申请号：US17022065
申请日：2020-09-15
Applicant: GAUDIO LAB, INC.
Inventor： Sangbae Chon , Byoungjoon Ahn , Jaesung Choi , Hyunoh Oh , Jeonghun Seo , Taegyu Lee
Abstract: Disclosed is an audio signal processing method including: receiving a stereo signal; transforming the stereo signal into a frequency-domain signal; rendering the first signal based on a first ipsilateral filter coefficient; generating a frontal ipsilateral signal relating to the frequency-domain signal; rendering the second signal based on a second ipsilateral filter coefficient; generating a side ipsilateral signal relating to the frequency-domain signal; rendering the second signal based on a contralateral filter coefficient; generating a side contralateral signal relating to the frequency-domain signal; transforming an ipsilateral signal, generated by mixing the frontal ipsilateral signal and the side ipsilateral signal, and the side contralateral signal into a time-domain ipsilateral signal and a time-domain contralateral signal, which are time-domain signals, respectively; and generating a binaural signal by mixing the time-domain ipsilateral signal and the time-domain contralateral signal.
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公开(公告)号：US20210112356A1
公开(公告)日：2021-04-15
申请号：US17066454
申请日：2020-10-08
Applicant: GAUDIO LAB, INC.
Inventor： Jeonghun SEO , Taegyu Lee , Hyunoh Oh , Jaesung Choi
IPC: H04S1/00
Abstract: Disclosed is an audio signal processing device. The audio signal processing device includes a receiving end configured to receive a 2-channel stereo signal and a processor configured to process the 2-channel stereo signal. The processor is configured to filter the 2-channel stereo signal using a spatial distortion removal filter and output the filtered 2-channel stereo signal to a speaker including two or more channels. The spatial distortion removal filter is a filter for offsetting distortion that occurs when the output signal is transmitted from the speaker to a listener, and includes an ipsilateral filter applied to an ipsilateral signal of the 2-channel audio signal and a contralateral filter applied to a contralateral signal of the 2-channel audio signal.
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公开(公告)号：US10686420B2
公开(公告)日：2020-06-16
申请号：US16396632
申请日：2019-04-26
Applicant: GAUDIO LAB, INC.
Inventor： Kyutae Park , Jeonghun Seo , Taegyu Lee , Hyunoh Oh , Sangbae Chon
Abstract: The audio signal processing apparatus includes a processor configured to adjust an output loudness level of an input content. The processor is configured to obtain a loudness information analyzed from the input content, obtain a loudness gain applied to the input content based on the loudness information and a target loudness level, and adjust the output loudness level of the input content based on the loudness gain. In this case, in a first section among an entire section in which the input content is reproduced, the loudness gain is limited based on a first gain allowable range, and in a second section following the first section, the limitation on the loudness gain is released.
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公开(公告)号：US12237818B2
公开(公告)日：2025-02-25
申请号：US18375441
申请日：2023-09-29
Applicant: GAUDIO LAB, INC.
Inventor： Sangbae Chon , Kyutae Park , Younghoon Kwon , Hyunoh Oh , Jeonghun Seo , Taegyu Lee , Hyunjoo Chung
Abstract: 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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公开(公告)号：US11750994B2
公开(公告)日：2023-09-05
申请号：US17527145
申请日：2021-11-15
Applicant: GAUDIO LAB, INC.
Inventor： Sangbae Chon , Byoungjoon Ahn , Jaesung Choi , Hyunoh Oh , Jeonghun Seo , Taegyu Lee
CPC classification number: H04S1/002 , H04S1/007 , H04S7/30 , H04S2420/01
Abstract: Disclosed is an audio signal processing method including: receiving a stereo signal; transforming the stereo signal into a frequency-domain signal; rendering the first signal based on a first ipsilateral filter coefficient; generating a frontal ipsilateral signal relating to the frequency-domain signal; rendering the second signal based on a second ipsilateral filter coefficient; generating a side ipsilateral signal relating to the frequency-domain signal; rendering the second signal based on a contralateral filter coefficient; generating a side contralateral signal relating to the frequency-domain signal; transforming an ipsilateral signal, generated by mixing the frontal ipsilateral signal and the side ipsilateral signal, and the side contralateral signal into a time-domain ipsilateral signal and a time-domain contralateral signal, which are time-domain signals, respectively; and generating a binaural signal by mixing the time-domain ipsilateral signal and the time-domain contralateral signal.
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