Apparatus for encoding and decoding of integrated speech and audio
    2.
    发明授权
    Apparatus for encoding and decoding of integrated speech and audio 有权
    用于编码和解码集成语音和音频的装置

    公开(公告)号:US08903720B2

    公开(公告)日:2014-12-02

    申请号:US13003979

    申请日:2009-07-14

    摘要: 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.

    摘要翻译: 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编码装置,并且可以包括:输入信号分析器,用于分析输入信号的特性; 立体声编码器,当输入信号是立体声信号时,将输入信号向下混合成单声道信号,并提取立体声声像信息; 用于扩展输入信号的频带的频带扩展器; 用于转换采样率的采样率转换器; 语音信号编码器,当所述输入信号是语音特征信号时,使用语音编码模块对所述输入信号进行编码; 音频信号编码器,当所述输入信号是音频特征信号时,使用音频编码模块对所述输入信号进行编码; 以及比特流发生器,用于生成比特流。

    APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO
    3.
    发明申请
    APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO 有权
    编码和解码集成语音和音频的设备

    公开(公告)号:US20110119055A1

    公开(公告)日:2011-05-19

    申请号:US13003979

    申请日:2009-07-14

    IPC分类号: G10L19/14

    摘要: 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.

    摘要翻译: 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编码装置,并且可以包括:输入信号分析器,用于分析输入信号的特性; 立体声编码器,当输入信号是立体声信号时,将输入信号向下混合成单声道信号,并提取立体声声像信息; 用于扩展输入信号的频带的频带扩展器; 用于转换采样率的采样率转换器; 语音信号编码器,当所述输入信号是语音特征信号时,使用语音编码模块对所述输入信号进行编码; 音频信号编码器,当所述输入信号是音频特征信号时,使用音频编码模块对所述输入信号进行编码; 以及比特流发生器,用于生成比特流。

    Apparatus for encoding and decoding of integrated speech and audio
    8.
    发明授权
    Apparatus for encoding and decoding of integrated speech and audio 有权
    用于编码和解码集成语音和音频的装置

    公开(公告)号:US08959015B2

    公开(公告)日:2015-02-17

    申请号:US13054377

    申请日:2009-07-14

    IPC分类号: G10L19/20 G10L19/02 G10L19/12

    摘要: Provided is an apparatus for integrally encoding and decoding a speech signal and an audio signal. An encoding apparatus for integrally encoding a speech signal and an audio signal, may include: a module selection unit to analyze a characteristic of an input signal and to select a first encoding module for encoding a first frame of the input signal; a speech encoding unit to encode the input signal according to a selection of the module selection unit and to generate a speech bitstream; an audio encoding unit to encode the input signal according to the selection of the module selection unit and to generate an audio bitstream; and a bitstream generation unit to generate an output bitstream from the speech encoding unit or the audio encoding unit according to the selection of the module selection unit.

    摘要翻译: 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。 用于对语音信号和音频信号进行整体编码的编码装置可以包括:模块选择单元,用于分析输入信号的特性,并选择用于编码输入信号的第一帧的第一编码模块; 语音编码单元,用于根据模块选择单元的选择对输入信号进行编码并生成语音比特流; 音频编码单元,用于根据模块选择单元的选择对输入信号进行编码并生成音频位流; 以及比特流生成单元,用于根据模块选择单元的选择从语音编码单元或音频编码单元生成输出比特流。

    APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO
    9.
    发明申请
    APPARATUS FOR ENCODING AND DECODING OF INTEGRATED SPEECH AND AUDIO 有权
    编码和解码集成语音和音频的设备

    公开(公告)号:US20110119054A1

    公开(公告)日:2011-05-19

    申请号:US13054377

    申请日:2009-07-14

    IPC分类号: G10L19/12 G10L19/00 G10L19/02

    摘要: Provided is an apparatus for integrally encoding and decoding a speech signal and an audio signal. An encoding apparatus for integrally encoding a speech signal and an audio signal, may include: a module selection unit to analyze a characteristic of an input signal and to select a first encoding module for encoding a first frame of the input signal; a speech encoding unit to encode the input signal according to a selection of the module selection unit and to generate a speech bitstream; an audio encoding unit to encode the input signal according to the selection of the module selection unit and to generate an audio bitstream; and a bitstream generation unit to generate an output bitstream from the speech encoding unit or the audio encoding unit according to the selection of the module selection unit.

    摘要翻译: 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。 用于对语音信号和音频信号进行整体编码的编码装置可以包括:模块选择单元,用于分析输入信号的特性,并选择用于编码输入信号的第一帧的第一编码模块; 语音编码单元,用于根据模块选择单元的选择对输入信号进行编码并生成语音比特流; 音频编码单元,用于根据模块选择单元的选择对输入信号进行编码并生成音频位流; 以及比特流生成单元,用于根据模块选择单元的选择从语音编码单元或音频编码单元生成输出比特流。

    Lossless audio coding/decoding apparatus and method
    10.
    发明授权
    Lossless audio coding/decoding apparatus and method 失效
    无损音频编码/解码装置及方法

    公开(公告)号:US07605722B2

    公开(公告)日:2009-10-20

    申请号:US12101545

    申请日:2008-04-11

    IPC分类号: H03M7/00

    CPC分类号: H03M7/40 G10L19/0017

    摘要: Provided are a lossless audio coding/decoding apparatus and method. The lossless audio coding apparatus includes a first coder to directly code first symbols; a second coder module comprising a plurality of second coders to convert the first symbols into second symbols and to code the second symbols; a first selector to compare the performance of the first coder to the performance of the second coders and to output a coding mode in accordance with a comparison result; and a second selector to output a final bitstream by coding the first symbols in correspondence with the coding mode. According to the present invention, the performance of audio coding may be improved.

    摘要翻译: 提供了一种无损音频编码/解码装置和方法。 无损音频编码装置包括:第一编码器,用于直接编码第一符号; 第二编码器模块,包括多个第二编码器,用于将第一符号转换成第二符号并对第二符号进行编码; 第一选择器,用于比较第一编码器的性能与第二编码器的性能,并根据比较结果输出编码模式; 以及第二选择器,用于通过与编码模式相对应地对第一符号进行编码来输出最终比特流。 根据本发明,可以提高音频编码的性能。