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1. 发明申请

US20050108009A1 Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof 有权
标题翻译：用于编码可变比特率宽带语音和音频信号的装置及其方法
公开(公告)号：US20050108009A1
公开(公告)日：2005-05-19
申请号：US10967045
申请日：2004-10-14
申请人： Mi-Suk Lee , Do-Young Kim , Hong-Kook Kim , Seungho Choi
发明人： Mi-Suk Lee , Do-Young Kim , Hong-Kook Kim , Seungho Choi
IPC分类号： G10L19/00 , G10L19/14 , G10L19/02
CPC分类号： G10L19/24
摘要： Disclosed is an apparatus for coding of variable bitrate wideband speech and audio, comprising: a) a speech and audio divider for dividing signals inputted to a CODEC into speech or audio signals; b) a narrowband coder for performing narrowband coding, in the case the divided input signals are speech signals; c) a bitrate modifier for modifying a bitrate for coding of a low frequency band and a bitrate for coding of a high frequency band, in the case the divided input signals are audio signals; and d) a wideband coder for performing coding by the modified bitrate in the bitrate modifier.
摘要翻译：公开了一种用于编码可变比特率宽带语音和音频的装置，包括：a）语音和音频分频器，用于将输入到CODEC的信号分成语音或音频信号; b）用于执行窄带编码的窄带编码器，在分割的输入信号是语音信号的情况下; c）用于修改用于编码低频带的比特率和用于编码高频带的比特率的比特率修改器，在分割的输入信号是音频信号的情况下; 以及d）宽带编码器，用于通过比特率修改器中的修改的比特率执行编码。

2. 发明授权

US07634402B2 Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof 有权
标题翻译：用于编码可变比特率宽带语音和音频信号的装置及其方法
公开(公告)号：US07634402B2
公开(公告)日：2009-12-15
申请号：US10967045
申请日：2004-10-14
申请人： Mi-Suk Lee , Do-Young Kim , Hong-Kook Kim , Seungho Choi
发明人： Mi-Suk Lee , Do-Young Kim , Hong-Kook Kim , Seungho Choi
IPC分类号： G10L19/02
CPC分类号： G10L19/24
摘要： An apparatus for coding of variable bitrate wideband speech and audio is described. The apparatus utilizes: a) a speech and audio divider for dividing signals inputted to a CODEC into speech or audio signals; b) a narrowband coder for performing narrowband coding, in the case the divided input signals are speech signals; c) a bitrate modifier for modifying a bitrate for coding of low frequency band and a bitrate for coding of a high frequency band, in the case the divided input signals are audio signals; and d) a wideband coder for performing coding by the modified bitrate in the bitrate modifier.
摘要翻译：描述了用于编码可变比特率宽带语音和音频的装置。该装置使用：a）语音和音频分频器，用于将输入到CODEC的信号分成语音或音频信号; b）用于执行窄带编码的窄带编码器，在分割的输入信号是语音信号的情况下; c）用于修改用于编码低频带的比特率和用于编码高频带的比特率的比特率修改器，在分割的输入信号是音频信号的情况下; 以及d）宽带编码器，用于通过比特率修改器中的修改的比特率执行编码。

3. 发明申请

US20100191523A1 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same 有权
标题翻译：用于恢复线谱对参数和使用其的语音解码装置的方法和装置
公开(公告)号：US20100191523A1
公开(公告)日：2010-07-29
申请号：US12659943
申请日：2010-03-25
申请人： Hosang Sung , Seungho Choi , Kihyun Choo
发明人： Hosang Sung , Seungho Choi , Kihyun Choo
IPC分类号： G10L11/04
CPC分类号： G10L19/005 , G10L19/07
摘要： A method and an apparatus for recovering a line spectrum pair (LSP) parameter of a spectrum region when frame loss occurs during speech decoding and a speech decoding apparatus adopting the same are provided. The method of recovering an LSP parameter in speech decoding includes: if it is determined that a received speech packet has an erased frame, converting an LSP parameter of a previous good frame (PGF) of the erased frame or LSP parameters of the PGF and a next good frame (NGF) of the erased frame into a spectrum region and obtaining a spectrum envelope of the PGF or spectrum envelopes of the PGF and NGF; recovering a spectrum envelope of the erased frame using the spectrum envelope of the PGF or the spectrum envelopes of the PGF and NGF; and converting the recovered spectrum envelope of the erased frame into an LSP parameter of the erased frame. The method and apparatus can improve the quality of a recovered speech signal, be applied to a variety of technologies, and provide a method of recovering an LSP parameter for development of an algorithm for speech decoding.
摘要翻译：提供了一种用于在语音解码期间发生帧丢失时恢复频谱区的线谱对（LSP）参数的方法和装置，以及采用该频谱对参数的语音解码装置。在语音解码中恢复LSP参数的方法包括：如果确定接收到的语音分组具有已擦除的帧，则将已擦除帧的先前好帧（PGF）的LSP参数或PGF的LSP参数和将擦除的帧的下一个良好帧（NGF）进入频谱区域并获得PGF和NGF的PGF或频谱包络的频谱包络; 使用PGF的频谱包络或PGF和NGF的频谱包络来恢复被擦除帧的频谱包络; 以及将所述已擦除帧的所恢复的频谱包络转换为所述已擦除帧的LSP参数。该方法和装置可以提高恢复的语音信号的质量，应用于各种技术，并提供一种恢复用于语音解码算法开发的LSP参数的方法。

4. 发明申请

US20070027683A1 Apparatus and method for concealing frame erasure and voice decoding apparatus and method using the same 有权
标题翻译：用于隐藏帧擦除和语音解码装置的方法和使用该方法的方法
公开(公告)号：US20070027683A1
公开(公告)日：2007-02-01
申请号：US11417165
申请日：2006-05-04
申请人： Hosang Sung , Kangeun Lee , Seungho Choi
发明人： Hosang Sung , Kangeun Lee , Seungho Choi
IPC分类号： G10L19/00
CPC分类号： G10L19/0017 , G10L19/005 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/12 , G10L2019/0002 , G10L2019/0016
摘要： An apparatus and method for concealing frame erasure and a voice decoding apparatus and method using the same. The frame erasure concealment apparatus includes: a parameter extraction unit determining whether there is an erased frame in a voice packet, and extracting an excitement signal parameter and a line spectrum pair parameter of a previous good frame; and an erasure frame concealment unit, if there is an erased frame, restoring the excitement signal and line spectrum pair parameter of the erased frame by using a regression analysis from the excitement signal and line spectrum pair parameter of the previous good frame. According to the method and apparatus, by predicting and restoring the parameter of the erased frame through the regression analysis, the quality of the restored voice signal can be enhanced and the algorithm can be simplified.
摘要翻译：一种用于隐藏帧擦除的装置和方法，以及使用该帧擦除的语音解码装置和方法。帧擦除隐藏装置包括：参数提取单元，确定语音分组中是否存在被擦除的帧，以及提取先前好帧的兴奋信号参数和线谱对参数; 以及擦除帧隐藏单元，如果存在擦除帧，则通过使用来自先前好帧的兴奋信号和线谱对参数的回归分析来恢复被擦除帧的兴奋信号和线谱对参数。根据该方法和装置，通过回归分析预测和恢复被擦除的帧的参数，可以提高恢复的语音信号的质量，并且可以简化算法。

5. 发明授权

US07765100B2 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same 失效
公开(公告)号：US07765100B2
公开(公告)日：2010-07-27
申请号：US11347429
申请日：2006-02-06
申请人： Hosang Sung , Seungho Choi , Kihyun Choo
发明人： Hosang Sung , Seungho Choi , Kihyun Choo
IPC分类号： G10L11/00 , G10L19/14 , G10L13/00 , G10L13/06 , G10L19/00
CPC分类号： G10L19/005 , G10L19/07
摘要： A method and an apparatus for recovering a line spectrum pair (LSP) parameter of a spectrum region when frame loss occurs during speech decoding and a speech decoding apparatus adopting the same are provided. The method of recovering an LSP parameter in speech decoding includes: if it is determined that a received speech packet has an erased frame, converting an LSP parameter of a previous good frame (PGF) of the erased frame or LSP parameters of the PGF and a next good frame (NGF) of the erased frame into a spectrum region and obtaining a spectrum envelope of the PGF or spectrum envelopes of the PGF and NGF; recovering a spectrum envelope of the erased frame using the spectrum envelope of the PGF or the spectrum envelopes of the PGF and NGF; and converting the recovered spectrum envelope of the erased frame into an LSP parameter of the erased frame. The method and apparatus can improve the quality of a recovered speech signal, be applied to a variety of technologies, and provide a method of recovering an LSP parameter for development of an algorithm for speech decoding.

6. 发明授权

US08498861B2 Apparatus and method for concealing frame erasure and voice decoding apparatus and method using the same 有权
公开(公告)号：US08498861B2
公开(公告)日：2013-07-30
申请号：US13477461
申请日：2012-05-22
申请人： Hosang Sung , Kangeun Lee , Seungho Choi
发明人： Hosang Sung , Kangeun Lee , Seungho Choi
IPC分类号： G10L11/06
CPC分类号： G10L19/0017 , G10L19/005 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/12 , G10L2019/0002 , G10L2019/0016
摘要： An apparatus and method for concealing frame erasure and a voice decoding apparatus and method using the same. The frame erasure concealment apparatus includes: a parameter extraction unit determining whether there is an erased frame in a voice packet, and extracting an excitement signal parameter and a line spectrum pair parameter of a previous good frame; and an erasure frame concealment unit, if there is an erased frame, restoring the excitement signal and line spectrum pair parameter of the erased frame by using a regression analysis from the excitement signal and line spectrum pair parameter of the previous good frame. According to the method and apparatus, by predicting and restoring the parameter of the erased frame through the regression analysis, the quality of the restored voice signal can be enhanced and the algorithm can be simplified.

7. 发明授权

US08204743B2 Apparatus and method for concealing frame erasure and voice decoding apparatus and method using the same 有权
标题翻译：用于隐藏帧擦除和语音解码装置的方法和使用该方法的方法
公开(公告)号：US08204743B2
公开(公告)日：2012-06-19
申请号：US11417165
申请日：2006-05-04
申请人： Hosang Sung , Kangeun Lee , Seungho Choi
发明人： Hosang Sung , Kangeun Lee , Seungho Choi
IPC分类号： G10L11/06
CPC分类号： G10L19/0017 , G10L19/005 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/12 , G10L2019/0002 , G10L2019/0016
摘要： An apparatus and method for concealing frame erasure and a voice decoding apparatus and method using the same. The frame erasure concealment apparatus includes: a parameter extraction unit determining whether there is an erased frame in a voice packet, and extracting an excitement signal parameter and a line spectrum pair parameter of a previous good frame; and an erasure frame concealment unit, if there is an erased frame, restoring the excitement signal and line spectrum pair parameter of the erased frame by using a regression analysis from the excitement signal and line spectrum pair parameter of the previous good frame. According to the method and apparatus, by predicting and restoring the parameter of the erased frame through the regression analysis, the quality of the restored voice signal can be enhanced and the algorithm can be simplified.
摘要翻译：一种用于隐藏帧擦除的装置和方法，以及使用该帧擦除的语音解码装置和方法。帧擦除隐藏装置包括：参数提取单元，确定语音分组中是否存在被擦除的帧，以及提取先前好帧的兴奋信号参数和线谱对参数; 以及擦除帧隐藏单元，如果存在擦除帧，则通过使用来自先前好帧的兴奋信号和线谱对参数的回归分析来恢复被擦除帧的兴奋信号和线谱对参数。根据该方法和装置，通过回归分析预测和恢复被擦除的帧的参数，可以提高恢复的语音信号的质量，并且可以简化算法。

8. 发明申请

US20120232888A1 APPARATUS AND METHOD FOR CONCEALING FRAME ERASURE AND VOICE DECODING APPARATUS AND METHOD USING THE SAME 有权
标题翻译：用于保护框架擦除和声音解码装置的装置和方法及其使用方法
公开(公告)号：US20120232888A1
公开(公告)日：2012-09-13
申请号：US13477461
申请日：2012-05-22
申请人： Hosang Sung , Kangeun Lee , Seungho Choi
发明人： Hosang Sung , Kangeun Lee , Seungho Choi
IPC分类号： G10L19/04
CPC分类号： G10L19/0017 , G10L19/005 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/12 , G10L2019/0002 , G10L2019/0016
摘要： An apparatus and method for concealing frame erasure and a voice decoding apparatus and method using the same. The frame erasure concealment apparatus includes: a parameter extraction unit determining whether there is an erased frame in a voice packet, and extracting an excitement signal parameter and a line spectrum pair parameter of a previous good frame; and an erasure frame concealment unit, if there is an erased frame, restoring the excitement signal and line spectrum pair parameter of the erased frame by using a regression analysis from the excitement signal and line spectrum pair parameter of the previous good frame. According to the method and apparatus, by predicting and restoring the parameter of the erased frame through the regression analysis, the quality of the restored voice signal can be enhanced and the algorithm can be simplified.
摘要翻译：一种用于隐藏帧擦除的装置和方法，以及使用该帧擦除的语音解码装置和方法。帧擦除隐藏装置包括：参数提取单元，确定语音分组中是否存在被擦除的帧，以及提取先前好帧的兴奋信号参数和线谱对参数; 以及擦除帧隐藏单元，如果存在擦除帧，则通过使用来自先前好帧的兴奋信号和线谱对参数的回归分析来恢复被擦除帧的兴奋信号和线谱对参数。根据该方法和装置，通过回归分析预测和恢复被擦除的帧的参数，可以提高恢复的语音信号的质量，并且可以简化算法。

9. 发明授权

US08214203B2 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same 有权
标题翻译：用于恢复线谱对参数和使用其的语音解码装置的方法和装置
公开(公告)号：US08214203B2
公开(公告)日：2012-07-03
申请号：US12659943
申请日：2010-03-25
申请人： Hosang Sung , Seungho Choi , Kihyun Choo
发明人： Hosang Sung , Seungho Choi , Kihyun Choo
IPC分类号： G10L11/00 , G10L19/14 , G10L13/00 , G10L13/06 , G10L19/00
CPC分类号： G10L19/005 , G10L19/07
摘要： A method and an apparatus for recovering a line spectrum pair (LSP) parameter of a spectrum region when frame loss occurs during speech decoding and a speech decoding apparatus adopting the same are provided. The method of recovering an LSP parameter in speech decoding includes: if it is determined that a received speech packet has an erased frame, converting an LSP parameter of a previous good frame (PGF) of the erased frame or LSP parameters of the PGF and a next good frame (NGF) of the erased frame into a spectrum region and obtaining a spectrum envelope of the PGF or spectrum envelopes of the PGF and NGF; recovering a spectrum envelope of the erased frame using the spectrum envelope of the PGF or the spectrum envelopes of the PGF and NGF; and converting the recovered spectrum envelope of the erased frame into an LSP parameter of the erased frame. The method and apparatus can improve the quality of a recovered speech signal, be applied to a variety of technologies, and provide a method of recovering an LSP parameter for development of an algorithm for speech decoding.
摘要翻译：提供了一种用于在语音解码期间发生帧丢失时恢复频谱区的线谱对（LSP）参数的方法和装置，以及采用该频谱对参数的语音解码装置。在语音解码中恢复LSP参数的方法包括：如果确定接收到的语音分组具有已擦除的帧，则将已擦除帧的先前好帧（PGF）的LSP参数或PGF的LSP参数和将擦除的帧的下一个良好帧（NGF）进入频谱区域并获得PGF和NGF的PGF或频谱包络的频谱包络; 使用PGF的频谱包络或PGF和NGF的频谱包络来恢复被擦除的帧的频谱包络; 以及将所述已擦除帧的所恢复的频谱包络转换为所述已擦除帧的LSP参数。该方法和装置可以提高恢复的语音信号的质量，应用于各种技术，并提供一种恢复用于语音解码算法开发的LSP参数的方法。

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