公开(公告)号：US20150162016A1

公开(公告)日：2015-06-11

申请号：US14624911

申请日：2015-02-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-sang SUNG ,  Eun-mi OH

IPC: G10L19/032

CPC classification number: G10L19/038 ,  G10L19/032 ,  G10L19/04 ,  G10L19/06 ,  G10L19/18 ,  G10L2019/0005

Abstract: 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.

Abstract translation: 提供了一种量化装置，其包括量化路径确定器，该量化路径确定器基于不是使用帧间预测的第一路径和使用帧间预测的第二路径来确定路径，作为输入信号的量化路径，基于之前的准则 输入信号的量化; 如果第一路径被确定为输入信号的量化路径，则量化输入信号的第一量化器; 以及第二量化器，其量化输入信号，如果第二路径被确定为输入信号的量化路径。

公开(公告)号：US20140372108A1

公开(公告)日：2014-12-18

申请号：US14474220

申请日：2014-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-hyun CHOO ,  Lei MIAO ,  Eun-mi OH

IPC: G10L19/06 ,  G10L25/12 ,  G10L25/90 ,  G10L19/02 ,  G10L19/07

CPC classification number: G10L19/06 ,  G10L19/02 ,  G10L19/0208 ,  G10L19/04 ,  G10L19/07 ,  G10L19/167 ,  G10L21/038 ,  G10L25/12 ,  G10L25/21 ,  G10L25/90

Abstract: Provided are a method and apparatus for encoding and decoding a high frequency signal by using a low frequency signal. The high frequency signal can be encoded by extracting a coefficient by linear predicting a high frequency signal, and encoding the coefficient, generating a signal by using the extracted coefficient and a low frequency signal, and encoding the high frequency signal by calculating a ratio between the high frequency signal and an energy value of the generated signal. Also, the high frequency signal can be decoded by decoding a coefficient, which is extracted by linear predicting a high frequency signal, and a low frequency signal, and generating a signal by using the decoded coefficient and the decoded low frequency signal, and adjusting the generated signal by decoding a ratio between the generated signal and an energy value of the high frequency signal.

Abstract translation: 提供了一种通过使用低频信号对高频信号进行编码和解码的方法和装置。 高频信号可以通过线性预测高频信号提取系数进行编码，并对该系数进行编码，通过使用提取的系数和低频信号产生信号，并通过计算高频信号之间的比率来对高频信号进行编码 高频信号和产生的信号的能量值。 此外，可以通过对通过线性预测高频信号提取的系数和低频信号进行解码来解码高频信号，并且通过使用解码的系数和解码的低频信号来生成信号，并且调整 通过解码所生成的信号与高频信号的能量值之间的比率来产生信号。

公开(公告)号：US20130297322A1

公开(公告)日：2013-11-07

申请号：US13933247

申请日：2013-07-02

Applicant: Samsung Electronics Co., Ltd.

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

IPC: G10L19/005

CPC classification number: G10L19/005 ,  G10L19/0212 ,  G10L19/022 ,  H03M13/00

Abstract: 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.

公开(公告)号：US20130226566A1

公开(公告)日：2013-08-29

申请号：US13858688

申请日：2013-04-08

Applicant: Samsung Electronics Co., Ltd

Inventor： Ki-hyun CHOO ,  Lei MIAO ,  Eun-mi OH

IPC: G10L19/04

CPC classification number: G10L19/06 ,  G10L19/02 ,  G10L19/0208 ,  G10L19/04 ,  G10L19/07 ,  G10L19/167 ,  G10L21/038 ,  G10L25/12 ,  G10L25/21 ,  G10L25/90

Abstract: Provided are a method and apparatus for encoding and decoding a high frequency signal by using a low frequency signal. The high frequency signal can be encoded by extracting a coefficient by linear predicting a high frequency signal, and encoding the coefficient, generating a signal by using the extracted coefficient and a low frequency signal, and encoding the high frequency signal by calculating a ratio between the high frequency signal and an energy value of the generated signal. Also, the high frequency signal can be decoded by decoding a coefficient, which is extracted by linear predicting a high frequency signal, and a low frequency signal, and generating a signal by using the decoded coefficient and the decoded low frequency signal, and adjusting the generated signal by decoding a ratio between the generated signal and an energy value of the high frequency signal.

Abstract translation: 提供了一种通过使用低频信号对高频信号进行编码和解码的方法和装置。 高频信号可以通过线性预测高频信号提取系数进行编码，并对该系数进行编码，通过使用提取的系数和低频信号产生信号，并通过计算高频信号之间的比率来对高频信号进行编码 高频信号和产生的信号的能量值。 此外，可以通过对通过线性预测高频信号提取的系数和低频信号进行解码来解码高频信号，并且通过使用解码的系数和解码的低频信号来生成信号，并且调整 通过解码所生成的信号与高频信号的能量值之间的比率来产生信号。