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11. 发明申请

US20170061971A1 Bit allocating, audio encoding and decoding 有权
标题翻译：位分配，音频编码和解码
公开(公告)号：US20170061971A1
公开(公告)日：2017-03-02
申请号：US15330779
申请日：2016-11-07
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Mi-young Kim , Anton Victorovich Porov , Eun-mi Oh
IPC分类号： G10L19/002 , G10L19/032 , G10L19/02
CPC分类号： G10L19/002 , G10L19/0204 , G10L19/028 , G10L19/032
摘要： A bit allocating method is provided that includes determining the allocated number of bits in decimal point units based on each frequency band so that a Signal-to-Noise Ratio (SNR) of a spectrum existing in a predetermined frequency band is maximized within a range of the allowable number of bits for a given frame; and adjusting the allocated number of bits based on each frequency band.
摘要翻译：提供了一种比特分配方法，其包括基于每个频带确定分配的小数点单位数，使得存在于预定频带中的频谱的信噪比（SNR）在给定帧的允许位数; 以及基于每个频带调整所分配的位数。

12. 发明授权

US09570082B2 Method, medium, and apparatus encoding and/or decoding multichannel audio signals 有权
标题翻译：方法，介质和装置编码和/或解码多声道音频信号
公开(公告)号：US09570082B2
公开(公告)日：2017-02-14
申请号：US14629839
申请日：2015-02-24
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Jung-hoe Kim , Eun-mi Oh
IPC分类号： G10L19/00 , G10L21/00 , G10L19/008
CPC分类号： G10L19/008 , G10L19/00
摘要： A method, medium, and apparatus encoding and/or decoding a multichannel audio signal. The method includes detecting the type of spatial extension data included in an encoding result of an audio signal, if the spatial extension data is data indicating a core audio object type related to a technique of encoding core audio data, detecting the core audio object type; decoding core audio data by using a decoding technique according to the detected core audio object type, if the spatial extension data is residual coding data, decoding the residual coding data by using the decoding technique according to the core audio object type, and up-mixing the decoded core audio data by using the decoded residual coding data. According to the method, the core audio data and residual coding data may be decoded by using an identical decoding technique, thereby reducing complexity at the decoding end.
摘要翻译：一种编码和/或解码多声道音频信号的方法，介质和装置。该方法包括：如果空间扩展数据是指示与核心音频数据的编码技术相关的核心音频对象类型的数据，检测核心音频对象类型，则检测包括在音频信号的编码结果中的空间扩展数据的类型; 通过使用根据所检测的核心音频对象类型的解码技术对核心音频数据进行解码，如果空间扩展数据是残差编码数据，则使用根据核心音频对象类型的解码技术对残差编码数据进行解码，以及上调通过使用解码的残留编码数据来解码核心音频数据。根据该方法，可以通过使用相同的解码技术来解码核心音频数据和残留编码数据，从而降低解码端的复杂度。

13. 发明授权

US09418666B2 Method and apparatus for encoding and decoding audio/speech signal 有权
标题翻译：用于对音频/语音信号进行编码和解码的方法和装置
公开(公告)号：US09418666B2
公开(公告)日：2016-08-16
申请号：US14132224
申请日：2013-12-18
申请人： SAMSUNG Electronics Co., Ltd.
发明人： Chang-yong Son , Eun-mi Oh , Jung-hoe Kim , Ho-sang Sung , Kang-eun Lee , Ki-hyun Choo
IPC分类号： G10L19/00 , G10L19/025
CPC分类号： G10L19/00 , G10L19/025
摘要： Provided is a method of encoding an audio/speech signal, the method including determining a variable length of a frame, that is, a processing unit of an input signal in accordance with a position of an attack in the input signal; transforming each frame of the input signal to a frequency domain and dividing the frame into a plurality of sub frequency bands; and, if a signal of a sub frequency band is determined to be encoded in the frequency domain, encoding the signal of the sub frequency band in the frequency domain, and if the signal of the sub frequency band is determined to be encoded in a time domain, inverse transforming the signal of the sub frequency band to the time domain and encoding the inverse transformed signal in the time domain. According to the present invention, the audio/speech signal may be efficiently encoded by controlling time resolution and frequency resolution.
摘要翻译：提供了一种对音频/语音信号进行编码的方法，该方法包括根据输入信号中的攻击位置来确定帧的可变长度，即输入信号的处理单元; 将所述输入信号的每个帧变换为频域并将所述帧划分为多个子频带; 并且如果确定在频域中编码子频带的信号，则对频域中的子频带的信号进行编码，并且如果确定子频带的信号被编码在一个时间域，将子频带的信号逆变换到时域，并对时域中的逆变换信号进行编码。根据本发明，可以通过控制时间分辨率和频率分辨率来有效地编码音频/语音信号。

14. 发明授权

US08930188B2 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same 有权
公开(公告)号：US08930188B2
公开(公告)日：2015-01-06
申请号：US13933247
申请日：2013-07-02
申请人： Samsung Electronics Co., Ltd
发明人： Eun-mi Oh , Ki-hyun Choo , Ho-sang Sung , Chang-yong Son , Jung-hoe Kim , Kang eun Lee
IPC分类号： G10L19/00
摘要： An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme.

15. 发明授权

US11616954B2 Signal encoding method and apparatus and signal decoding method and apparatus 有权
公开(公告)号：US11616954B2
公开(公告)日：2023-03-28
申请号：US17030466
申请日：2020-09-24
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ho-sang Sung , Ki-hyun Choo , Eun-mi Oh
IPC分类号： G10L19/032 , H04N19/124 , H04N19/196 , H04N19/40 , G10L19/16 , G10L19/24 , H03M13/05 , H03M13/15 , H03M13/31 , G10L19/035 , G10L19/038 , G10L19/02
摘要： A spectrum coding method includes quantizing spectral data of a current band based on a first quantization scheme, generating a lower bit of the current band using the spectral data and the quantized spectral data, quantizing a sequence of lower bits including the lower bit of the current band based on a second quantization scheme, and generating a bitstream based on a upper bit excluding N bits, where N is 1 or greater, from the quantized spectral data and the quantized sequence of lower bits.

16. 发明授权

US11355129B2 Energy lossless-encoding method and apparatus, audio encoding method and apparatus, energy lossless-decoding method and apparatus, and audio decoding method and apparatus 有权
公开(公告)号：US11355129B2
公开(公告)日：2022-06-07
申请号：US17111893
申请日：2020-12-04
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ki-hyun Choo , Eun-mi Oh
IPC分类号： G10L19/00 , G10L19/032 , G10L21/00 , G10L19/035 , G10L19/02
摘要： A lossless encoding method is provided that includes determining a lossless encoding mode of a quantization coefficient as one of an infinite-range lossless encoding mode and a finite-range lossless encoding mode; encoding the quantization coefficient in the infinite-range lossless encoding mode in correspondence with a result of the lossless encoding mode determination; and encoding the quantization coefficient in the finite-range lossless encoding mode in correspondence with a result of the lossless encoding mode determination.

17. 发明授权

US11025552B2 Method and device for regulating playing delay and method and device for modifying time scale 有权
公开(公告)号：US11025552B2
公开(公告)日：2021-06-01
申请号：US15757540
申请日：2016-09-05
申请人： SAMSUNG ELECTRONICS CO., LTD. , INDUSTRY—UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
发明人： Ho-sang Sung , Sang-won Kang , Jong-hyun Kim , Eun-mi Oh , Yaxing Li , Kyung-hun Jung
IPC分类号： G10L21/04 , H04L12/805 , H04L12/811 , H04L12/815 , H04L12/841 , H04L12/927
摘要： A playout delay adjustment method includes: adjusting a playout delay surplus based on a difference value between a first playout delay obtained in a first scheme and a second playout delay obtained in a second scheme and determining an adaptation type of a current frame according to whether a previous frame is an active frame; and when the determined adaptation type is signal-based adaptation, performing time scale modification (TSM) according to an adaptation scheme determined according to a comparison result between the first playout delay and the second playout delay and a comparison result between a target delay and the first playout delay.

18. 发明申请

US20200312339A1 METHOD AND APPARATUS FOR PACKET LOSS CONCEALMENT, AND DECODING METHOD AND APPARATUS EMPLOYING SAME 审中-公开
公开(公告)号：US20200312339A1
公开(公告)日：2020-10-01
申请号：US16901794
申请日：2020-06-15
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ho-sang Sung , Eun-mi Oh
IPC分类号： G10L19/005 , G10L19/012 , G10L19/022 , G10L19/02 , G10L25/21
摘要： A method and an apparatus for packet loss concealment, and a decoding method and an apparatus employing same are provided. A method for time domain packet loss concealment includes checking whether a current frame is either an erased frame or a good frame after the erased frame, when the current frame is either the erased frame or the good frame after the erased frame, obtaining signal characteristics, selecting one of a phase matching tool and a smoothing tool based on a plurality of parameters including the signal characteristics, and performing a packet loss concealment processing on the current frame based on the selected tool.

19. 发明授权

US10276171B2 Noise filling and audio decoding 有权
公开(公告)号：US10276171B2
公开(公告)日：2019-04-30
申请号：US15651764
申请日：2017-07-17
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Mi-young Kim , Eun-mi Oh
IPC分类号： G10L19/04 , G10L19/002 , G10L19/028 , G10L19/032 , G10L19/02
摘要： A noise filling method is provided that includes detecting a frequency band including a part encoded to 0 from a spectrum obtained by decoding a bitstream; generating a noise component for the detected frequency band; and adjusting energy of the frequency band in which the noise component is generated and filled by using energy of the noise component and energy of the frequency band including the part encoded to 0.

20. 发明授权

US10224051B2 Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore 有权
公开(公告)号：US10224051B2
公开(公告)日：2019-03-05
申请号：US15488103
申请日：2017-04-14
申请人： SAMSUNG ELECTRONICS CO., LTD.
发明人： Ho-sang Sung , Eun-mi Oh
IPC分类号： G10L19/12 , G10L19/06 , G10L19/18 , G10L19/032 , G10L19/038 , G10L19/04 , G10L19/00
摘要： A quantizing apparatus is provided that includes a quantization path determiner that determines a path from a first path not using inter-frame prediction and a second path using the inter-frame prediction, as a quantization path of an input signal, based on a criterion before quantization of the input signal; a first quantizer that quantizes the input signal, if the first path is determined as the quantization path of the input signal; and a second quantizer that quantizes the input signal, if the second path is determined as the quantization path of the input signal.

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