公开(公告)号：US20180068674A1

公开(公告)日：2018-03-08

申请号：US15810636

申请日：2017-11-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-hyun CHOO ,  Eun-mi OH ,  Ho-sang SUNG ,  Jung-hoe KIM ,  Mi-young KIM

IPC: G10L21/038 ,  G10L19/028 ,  G10L19/02

CPC classification number: G10L21/038 ,  G10L19/0204 ,  G10L19/028

Abstract: A method and apparatus to encoding or decoding an audio signal is provided. In the method and apparatus, a noise-floor level to use in encoding or decoding a high frequency signal is updated according to the degree of a voiced or unvoiced sound included in the signal.

公开(公告)号：US20170162207A1

公开(公告)日：2017-06-08

申请号：US15425418

申请日：2017-02-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-mi OH ,  Anton POROV ,  Jung-hoe KIM

IPC: G10L19/028 ,  G10L19/02

CPC classification number: G10L19/028 ,  G10K11/002 ,  G10L19/0204

Abstract: Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral components and sub-bands which are not used to output noise components, are determined to be encoded or decoded, so that the efficiency of encoding and decoding an audio signal increases, and sound quality can be improved using less bits.

公开(公告)号：US20140257822A9

公开(公告)日：2014-09-11

申请号：US13686015

申请日：2012-11-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chang-yong SON ,  Eun-mi OH ,  Ki-hyun CHOO ,  Jung-hoe KIM

IPC: G10L21/00

CPC classification number: G10L21/038 ,  G10L19/0204 ,  G10L19/08 ,  G10L21/00

Abstract: Provided are a method and apparatus for encoding and decoding an audio signal. According to the present application, a signal of a high frequency band above a preset frequency band is adaptively encoded or decoded in the time domain or in the frequency domain by using a signal of a low frequency band below the preset frequency band. As such, the sound quality of a high frequency signal is not deteriorate even when an audio signal is encoded or decoded by using a small number of bits and thus coding efficiency may be maximized.

Abstract translation: 提供了一种用于对音频信号进行编码和解码的方法和装置。 根据本申请，通过使用低于预设频带的低频信号，在时域或频域中自适应地编码或解码高于预置频带的高频带的信号。 因此，即使当通过使用少量位来对音频信号进行编码或解码时，高频信号的声音质量也不会恶化，从而可以使编码效率最大化。

公开(公告)号：US20180122386A1

公开(公告)日：2018-05-03

申请号：US15858308

申请日：2017-12-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-sang Sung ,  Ki-hyun CHOO ,  Jung-hoe KIM ,  Eun-mi OH ,  Chang-yong SON ,  Kang-eun LEE

IPC: G10L19/00 ,  G10L19/022 ,  G10L19/005

CPC classification number: G10L19/0017 ,  G10L19/005 ,  G10L19/022

Abstract: Provided are a frame error concealment method and apparatus and an error concealment scheme construction method and apparatus. The frame error concealment method includes generating a new signal by synthesizing a plurality of previous signals that are similar to a signal of an error frame and reconstructing the signal of the error frame using the generated signal.

公开(公告)号：US20170206905A1

公开(公告)日：2017-07-20

申请号：US15477643

申请日：2017-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-mi OH ,  Ho-sang SUNG ,  Ki-hyun CHOO ,  Jung-hoe KIM ,  Mi-young KIM

IPC: G10L19/02 ,  G10L19/20 ,  G10L19/16 ,  G10L19/025 ,  G10L19/008 ,  G10L19/24

CPC classification number: G10L19/02 ,  G10L19/008 ,  G10L19/0208 ,  G10L19/025 ,  G10L19/167 ,  G10L19/20 ,  G10L19/24

Abstract: Provided are a method and apparatus for encoding or decoding an audio signal or a speech signal. In the encoding method, encoding is performed by performing domain transformation on a received signal in units of frequency bands by applying a psychoacoustic model, encoding the transformation result with respect to predetermined one or more frequency bands by using a high temporal resolution coding tool, and then quantizing the encoding result. In the decoding method, decoding is performed by inversely quantizing signals obtained by encoding in units of frequency bands, decoding one or more signals from among the inversely quantized signals, which are allocated to one or more frequency bands which have a predetermined domain resolution, determined by applying the psychoacoustic model, that is greater than a predetermined value, according to a predetermined method, and then inversely transforming either the inversely quantized or the one or more decoded signals.

公开(公告)号：US20170040022A1

公开(公告)日：2017-02-09

申请号：US15332523

申请日：2016-10-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-sang SUNG ,  Ki-hyun CHOO ,  Jung-hoe KIM ,  Eun-mi OH ,  Chang-yong SON ,  Kang-eun LEE

IPC: G10L19/00 ,  G10L19/022 ,  G10L19/005

CPC classification number: G10L19/0017 ,  G10L19/005 ,  G10L19/022

Abstract: Provided are a frame error concealment method and apparatus and an error concealment scheme construction method and apparatus. The frame error concealment method includes generating a new signal by synthesizing a plurality of previous signals that are similar to a signal of an error frame and reconstructing the signal of the error frame using the generated signal.

Abstract translation: 提供了帧错误隐藏方法和装置以及错误隐藏方案的构造方法和装置。 帧错误隐藏方法包括通过合成与错误帧的信号相似的多个先前信号并使用所生成的信号重建错误帧的信号来生成新信号。

公开(公告)号：US20140245091A1

公开(公告)日：2014-08-28

申请号：US14272643

申请日：2014-05-08

Applicant: SAMSUNG Electronics Co., Ltd.

Inventor： Ho-sang SUNG ,  Kang-eun LEE ,  Jung-hoe KIM ,  Eun-mi OH

IPC: G10L19/005

CPC classification number: G10L19/005 ,  G10L19/07 ,  G10L19/083 ,  G10L19/167 ,  H04L1/0045

Abstract: A frame error concealment method and apparatus and a decoding method and apparatus using the same. The frame error concealment method includes setting a concealment method to conceal an error based on one or more signal characteristics of an error frame having the error and concealing the error using the set concealment method.

Abstract translation: 一种帧错误隐藏方法和装置及其使用方法和装置。 帧错误隐藏方法包括设置隐藏方法以基于具有错误的错误帧的一个或多个信号特性来隐藏错误，并且使用所设置的隐藏方法隐藏错误。

公开(公告)号：US20170032800A1

公开(公告)日：2017-02-02

申请号：US15294112

申请日：2016-10-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-mi OH ,  Chang-youg SON ,  Ki-hyun CHOO ,  Jung-hoe KIM

IPC: G10L19/20 ,  G10L19/032 ,  G10L19/02

CPC classification number: G10L19/20 ,  G10L19/0204 ,  G10L19/0212 ,  G10L19/032

Abstract: A method and apparatus to encode and/or decode a speech signal and/or an audio signal. The apparatus includes a first domain transforming unit, a frequency domain encoding unit, and a multiplexing unit to encode the speech signal and/or an audio signal. The apparatus includes a demultiplexing unit, a frequency domain decoding unit, and a second domain inverse transformation unit to decode the speech signal and/or the audio signal. The method and apparatus are capable of effectively encoding or decoding all of a speech signal, an audio signal, and a mixed signal of a speech signal and an audio signal, and improving the quality of sound by using a small number of bits.

Abstract translation: 一种用于对语音信号和/或音频信号进行编码和/或解码的方法和装置。 该装置包括第一域变换单元，频域编码单元和用于对语音信号和/或音频信号进行编码的复用单元。 该装置包括解复用单元，频域解码单元和用于解码语音信号和/或音频信号的第二域逆变换单元。 该方法和装置能够有效地编码或解码语音信号，音频信号和语音信号和音频信号的混合信号，并且通过使用少量的比特来提高声音的质量。

公开(公告)号：US20160035362A1

公开(公告)日：2016-02-04

申请号：US14879430

申请日：2015-10-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-mi OH ,  Anton POROV ,  Jung-hoe KIM

IPC: G10L19/028 ,  G10K11/00 ,  G10L19/02

CPC classification number: G10L19/028 ,  G10K11/002 ,  G10L19/0204

Abstract: Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral components and sub-bands which are not used to output noise components, are determined to be encoded or decoded, so that the efficiency of encoding and decoding an audio signal increases, and sound quality can be improved using less bits.

公开(公告)号：US20150228289A1

公开(公告)日：2015-08-13

申请号：US14691976

申请日：2015-04-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Eun-mi OH ,  Anton POROV ,  Jung-hoe KIM

IPC: G10L19/028 ,  G10K11/00

CPC classification number: G10L19/028 ,  G10K11/002 ,  G10L19/0204

Abstract: Provided is a method and apparatus for encoding/decoding an audio signal. Sections which are not used to output noise components near important spectral components and sub-bands which are not used to output noise components, are determined to be encoded or decoded, so that the efficiency of encoding and decoding an audio signal increases, and sound quality can be improved using less bits.

Abstract translation: 提供了一种用于对音频信号进行编码/解码的方法和装置。 不用于输出不用于输出噪声分量的重要频谱分量和子频带附近的噪声分量的部分被确定为编码或解码，使得音频信号的编码和解码效率提高，声音质量 可以使用较少的位来改进。