公开(公告)号：US09384748B2

公开(公告)日：2016-07-05

申请号：US14588638

申请日：2015-01-02

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION

Inventor： Seungkwon Beack ,  Tae Jin Lee ,  Min Je Kim ,  Kyeongok Kang ,  Dae Young Jang ,  Jeongil Seo ,  Jin Woo Hong ,  Chieteuk Ahn ,  Ho Chong Park ,  Young-cheol Park

IPC: G10L19/07 ,  G10L19/18 ,  G10L19/022 ,  G10L19/06

CPC classification number: G10L19/22 ,  G10L19/022 ,  G10L19/06 ,  G10L19/18

Abstract: A Unified Speech and Audio Codec (USAC) that may process a window sequence based on mode switching is provided. The USAC may perform encoding or decoding by overlapping between frames based on a folding point when mode switching occurs. The USAC may process different window sequences for each situation to perform encoding or decoding, and thereby may improve a coding efficiency.

Abstract translation: 提供了可以基于模式切换处理窗口序列的统一语音和音频编解码器（USAC）。 USAC可以通过在发生模式切换时基于折叠点在帧之间重叠来执行编码或解码。 USAC可以针对每种情况处理不同的窗口序列以执行编码或解码，从而可以提高编码效率。

公开(公告)号：US20150154974A1

公开(公告)日：2015-06-04

申请号：US14605006

申请日：2015-01-26

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

IPC: G10L19/12

CPC classification number: G10L19/12 ,  G10L19/008 ,  G10L19/02 ,  G10L19/20 ,  G10L19/22 ,  G11C2207/16

Abstract: Provided are an apparatus and a method for integrally encoding and decoding a speech signal and a 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 a 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; 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.

Abstract translation: 提供了一种用于对语音信号和音频信号进行整体编码和解码的装置和方法。 编码装置可以包括：输入信号分析器，用于分析输入信号的特性; 第一转换编码器，用于将输入信号转换为频域信号，并且在输入信号是音频特征信号时对输入信号进行编码; 线性预测编码（LPC）编码器，用于当输入信号是语音特征信号时执行输入信号的LPC编码; 以及比特流发生器，用于使用第一转换编码器的输出信号和LPC编码器的输出信号来产生比特流。