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公开(公告)号：US10714103B2
公开(公告)日：2020-07-14
申请号：US16557238
申请日：2019-08-30
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Kwangwoon University Industry-Academic Collaboration Foundation
Inventor： Tae Jin Lee , Seung-Kwon Baek , Min Je Kim , Dae Young Jang , Jeongil Seo , Kyeongok Kang , Jin-Woo Hong , Hochong Park , Young-Cheol Park
Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
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72.发明授权公开(公告)号：US10575111B2
公开(公告)日：2020-02-25
申请号：US16354890
申请日：2019-03-15
Inventor： Seung Kwon Beack , Tae Jin Lee , Jong Mo Sung , Kyeong Ok Kang , Jeong Il Seo , Dae Young Jang , Yong Ju Lee , Jin Woong Kim
IPC: H04S3/00 , G10L19/008
Abstract: An audio encoding apparatus and method that encodes hybrid contents including an object sound, a background sound, and metadata, and an audio decoding apparatus and method that decodes the encoded hybrid contents are provided. The audio encoding apparatus may include a mixing unit to generate an intermediate channel signal by mixing a background sound and an object sound, a matrix information encoding unit to encode matrix information used for the mixing, an audio encoding unit to encode the intermediate channel signal, and a metadata encoding unit to encode metadata including control information of the object sound.
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公开(公告)号：US10403293B2
公开(公告)日：2019-09-03
申请号：US15810732
申请日：2017-11-13
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Kwangwoon University Industry-Academic Collaboration Foundation
Inventor： Tae Jin Lee , Seung-Kwon Baek , Min Je Kim , Dae Young Jang , Jeongil Seo , Kyeongok Kang , Jin-Woo Hong , Hochong Park , Young-Cheol Park
Abstract: Provided is an encoding apparatus for integrally encoding and decoding a speech signal and a audio signal, and may include: an input signal analyzer to analyze a characteristic of an input signal; a stereo encoder to down mix the input signal to a mono signal when the input signal is a stereo signal, and to extract stereo sound image information; a frequency band expander to expand a frequency band of the input signal; a sampling rate converter to convert a sampling rate; a speech signal encoder to encode the input signal using a speech encoding module when the input signal is a speech characteristics signal; a audio signal encoder to encode the input signal using a audio encoding module when the input signal is a audio characteristic signal; and a bitstream generator to generate a bitstream.
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公开(公告)号：US10178488B2
公开(公告)日：2019-01-08
申请号：US15714690
申请日：2017-09-25
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：US10121482B2
公开(公告)日：2018-11-06
申请号：US15618689
申请日：2017-06-09
Inventor： Tae Jin Lee , Seung-Kwon Baek , Min Je Kim , Dae Young Jang , Jeongil Seo , Kyeongok Kang , Jin-Woo Hong , Hochong Park , Young-cheol Park
Abstract: Provided are an apparatus and a method for integrally encoding and decoding a speech signal and an audio signal. The encoding apparatus may include: an input signal analyzer to analyze a characteristic of an input signal; a first conversion encoder to convert the input signal to a frequency domain signal, and to encode the input signal when the input signal is an audio characteristic signal; a Linear Predictive Coding (LPC) encoder to perform LPC encoding of the input signal when the input signal is a speech characteristic signal; a frequency band expander for expanding a frequency band of the input signal whose output is transmitted to either the time-domain encoding module or the transform encoding module based on the input characteristic; and a bitstream generator to generate a bitstream using an output signal of the first conversion encoder and an output signal of the LPC encoder.
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Patent Agency Ranking
公开(公告)号：US10102863B2
公开(公告)日：2018-10-16
申请号：US15620119
申请日：2017-06-12
Inventor： Seung Kwon Beack , Tae Jin Lee , Jong Mo Sung , Jeong Il Seo , Kyeong Ok Kang , Dae Young Jang , Jin Woong Kim
IPC: H04S3/00 , G10L19/008
Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
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公开(公告)号：US09966081B2
公开(公告)日：2018-05-08
申请号：US15288033
申请日：2016-10-07
Inventor： Young Ho Jeong , Tae Jin Lee , Dae Young Jang , Jin Soo Choi
IPC: H04R5/00 , G10L19/022 , G10L21/028 , G10L19/008
CPC classification number: G10L19/022 , G10L19/008 , G10L21/028 , H04S2400/15
Abstract: Provided is a method and apparatus for synthesizing a separated sound source, the method including generating spatial information associated with a sound source included in a frame of a stereo audio signal, and synthesizing a separated frequency-domain sound source from the frame of the stereo audio signal based on the spatial information, wherein the spatial information includes a frequency-azimuth plane representing an energy distribution corresponding to a frequency and an azimuth of the frame of the stereo audio signal.
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78.发明授权公开(公告)号：US09905246B2
公开(公告)日：2018-02-27
申请号：US15400755
申请日：2017-01-06
Inventor： Young Ho Jeong , Tae Jin Lee , Dae Young Jang , Jin Soo Choi
IPC: H04R5/00 , G10L21/0332 , G10L21/028
CPC classification number: G10L21/0332 , G10L19/008 , G10L21/028 , H04S2400/15
Abstract: Provided is an apparatus and method for creating multilingual audio content based on a stereo audio signal. The method of creating multilingual audio content including adjusting an energy value of each of a plurality of sound sources provided in multiple languages, setting an initial azimuth angle of each of the sound sources based on a number of the sound sources, mixing each of the sound sources to generate a stereo signal based on the set initial azimuth angle, separating the sound sources to play the mixed sound sources using a sound source separating algorithm, and storing the mixed sound sources based on a sound quality of each of the separated sound sources.
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公开(公告)号：US09679571B2
公开(公告)日：2017-06-13
申请号：US14783767
申请日：2014-04-10
Inventor： Seung Kwon Beack , Tae Jin Lee , Jong Mo Sung , Jeong Il Seo , Kyeong Ok Kang , Dae Young Jang , Jin Woong Kim
IPC: G10L19/02 , G10L19/008 , H04S3/00
CPC classification number: G10L19/008 , H04S3/008 , H04S2400/03
Abstract: An encoder and an encoding method for a multi-channel signal, and a decoder and a decoding method for a multi-channel signal are disclosed. A multi-channel signal may be efficiently processed by consecutive downmixing or upmixing.
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80.发明授权公开(公告)号：US09319819B2
公开(公告)日：2016-04-19
申请号：US14341554
申请日：2014-07-25
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: H04R5/00 , H04S7/00 , G10L19/008
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.
Abstract translation: 公开了一种用于对多声道音频信号进行解码的双耳渲染方法和装置。 双耳渲染方法可以包括：从双耳滤波器提取早期反射分量和后期混响分量; 通过基于早期反射分量执行多声道音频信号的双耳渲染来产生立体声音频信号; 以及将后期混响分量应用于所生成的立体声音频信号。
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