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11. 发明申请

US20140066680A1 CATALYST FOR THE OXIDATIVE DEHYDROGENATION OF BUTENE TO BUTADIENE AND PREPARATION PROCESS THEREOF 有权
标题翻译：二苯乙烯氧化物脱氢催化剂及其制备方法
公开(公告)号：US20140066680A1
公开(公告)日：2014-03-06
申请号：US14017783
申请日：2013-09-04
申请人： Changxi Miao , Wenhai Wu , Zhigui Fan , Tieqiang Zeng , Chunjing Ma , Sheng Wu
发明人： Changxi Miao , Wenhai Wu , Zhigui Fan , Tieqiang Zeng , Chunjing Ma , Sheng Wu
IPC分类号： C07C5/48 , B01J23/78 , B01J23/80 , B01J23/889
CPC分类号： C07C5/48 , B01J23/005 , B01J23/78 , B01J23/80 , B01J23/8892 , B01J35/1014 , B01J37/031 , B01J2523/00 , C07C2521/02 , C07C2523/02 , C07C2523/06 , C07C2523/72 , C07C2523/745 , C07C2523/75 , C07C2523/755 , C07C2523/80 , Y02P20/52 , C07C11/167 , B01J2523/22 , B01J2523/27 , B01J2523/31 , B01J2523/842 , B01J2523/17 , B01J2523/847 , B01J2523/25 , B01J2523/24 , B01J2523/845 , B01J2523/23 , B01J2523/21 , B01J2523/72
摘要： The present disclosure provides a catalyst for oxidative dehydrogenation of butene to butadiene, comprising at least one compound of formula ZnaAlbMcFeeOf.Z(α-Fe2O3), wherein M is at least one element chosen from Be, Mg, Ca, Sr, Mn, Ba, Cu, Co, and Ni, Z represents the percentage by weight of α-Fe2O3 in the catalyst and ranges from 10% to 70%. Also provided herein is a process of preparing said catalyst and the use of said catalyst in an oxidative dehydrogenation of butene to butadiene processes.
摘要翻译：本公开内容提供了一种用于将丁烯氧化脱氢成丁二烯的催化剂，其包含至少一种式ZnaAlbMcFeeOf.Z（α-Fe2O3）化合物，其中M为选自Be，Mg，Ca，Sr，Mn，Ba ，Cu，Co和Ni中，Z表示催化剂中α-Fe 2 O 3的重量百分数，为10〜70％。本文还提供了制备所述催化剂的方法和所述催化剂在丁烯到丁二烯过程的氧化脱氢中的用途。

12. 发明申请

US20120189127A1 STEREO DECODING METHOD AND APPARATUS 有权
标题翻译：立体声解码方法和装置
公开(公告)号：US20120189127A1
公开(公告)日：2012-07-26
申请号：US13437552
申请日：2012-04-02
申请人： Wenhai WU , Lei MIAO , Yue LANG , Qi ZHANG
发明人： Wenhai WU , Lei MIAO , Yue LANG , Qi ZHANG
IPC分类号： H04R5/00
CPC分类号： H04S5/005 , G10L19/008 , H04S5/00 , H04S2420/01 , H04S2420/03
摘要： A stereo decoding method and apparatus are disclosed. The method includes: restoring a monophonic signal from a received code stream through decoding; restoring an interchannel level difference, a group delay, and a group phase from the received code stream through decoding; and processing the monophonic signal according to the interchannel level difference, group delay, and group phase to obtain a first channel signal and a second channel signal. According to the stereo decoding method and apparatus provided in embodiments of the present invention, the first and second channel signals are obtained according to the monophonic signal, ILD, group delay, and group phase by referring to not only the ILD but also the group delay and group phase, thereby yielding favorable stereo sound field effect for the obtained first and second channel signals.
摘要翻译：公开了一种立体声解码方法和装置。该方法包括：通过解码从接收到的码流中恢复单声道信号; 通过解码从接收到的代码流中恢复通道间级差，组延迟和组相位; 以及根据通道间电平差，组延迟和组相位处理单声道信号以获得第一通道信号和第二通道信号。根据本发明的实施例中提供的立体声解码方法和装置，不仅参照ILD而且还参照组延迟，根据单声道信号，ILD，组延迟和组相位来获得第一和第二声道信号和组相位，从而为获得的第一和第二信道信号产生有利的立体声场效应。

13. 发明授权

US08214218B2 Method and apparatus for switching speech or audio signals 有权
标题翻译：用于切换语音或音频信号的方法和装置
公开(公告)号：US08214218B2
公开(公告)日：2012-07-03
申请号：US13162309
申请日：2011-06-16
申请人： Zexin Liu , Lei Miao , Chen Hu , Wenhai Wu , Yue Lang , Qing Zhang
发明人： Zexin Liu , Lei Miao , Chen Hu , Wenhai Wu , Yue Lang , Qing Zhang
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L19/22 , G10L19/26
摘要： A method and an apparatus for switching speech or audio signals, wherein the method for switching speech or audio signals includes when switching of a speech or audio, weighting a first high frequency band signal of a current frame of speech or audio signal and a second high frequency band signal of the previous M frame of speech or audio signals to obtain a processed first high frequency band signal, where M is greater than or equal to 1, and synthesizing the processed first high frequency band signal and a first low frequency band signal of the current frame of speech or audio signal into a wide frequency band signal. In this way, speech or audio signals with different bandwidths can be smoothly switched, thus improving the quality of audio signals received by a user.
摘要翻译：一种用于切换语音或音频信号的方法和装置，其中用于切换语音或音频信号的方法包括：当切换语音或音频时，加权当前语音或音频信号帧的第一高频带信号，先前的M帧语音或音频信号的频带信号，以获得经处理的第一高频带信号，其中M大于或等于1，并且合成经处理的第一高频带信号和第一低频带信号将当前的语音帧或音频信号转换成宽频带信号。以这种方式，可以平滑地切换具有不同带宽的语音或音频信号，从而提高用户接收的音频信号的质量。

14. 发明申请

US20120053714A1 SIGNAL DELAY DETECTION METHOD, DETECTION APPARATUS, CODER 审中-公开
标题翻译：信号延迟检测方法，检测装置，编码器
公开(公告)号：US20120053714A1
公开(公告)日：2012-03-01
申请号：US13290809
申请日：2011-11-07
申请人： Wenhai Wu , Lei Miao , Yue Lang , Chen Hu , Zexin Liu , Qing Zhang
发明人： Wenhai Wu , Lei Miao , Yue Lang , Chen Hu , Zexin Liu , Qing Zhang
IPC分类号： G06F17/00
CPC分类号： H04S1/007 , H04S2420/03
摘要： A signal delay detection method, a detection apparatus, and a coder are disclosed to improve accuracy of detecting the signal delay. The method includes: obtaining a first cumulative cross-correlation function according to cross-correlation functions between channel signals; determining a first delay between the channel signals corresponding to the first cumulative cross-correlation function; adjusting a second cumulative cross-correlation function according to a relationship between the first delay and a second delay that exist between the channel signals, where the second delay is obtained at time of adjusting the second cumulative cross-correlation function and an initial value of the second delay is determined according to an initial value of a second weighting coefficient of the second cumulative cross-correlation function; and determining the second delay corresponding to the adjusted second cumulative cross-correlation function as a delay detected between the channel signals.
摘要翻译：公开了一种信号延迟检测方法，检测装置和编码器，以提高检测信号延迟的精度。该方法包括：根据信道信号之间的互相关函数获得第一累积互相关函数; 确定对应于第一累积互相关函数的信道信号之间的第一延迟; 根据存在于通道信号之间的第一延迟和第二延迟之间的关系来调整第二累积互相关函数，其中在调整第二累积互相关函数时获得第二延迟和第二累积互相关函数的初始值根据第二累积互相关函数的第二加权系数的初始值来确定第二延迟; 以及确定与所调整的第二累积互相关函数相对应的第二延迟作为在所述信道信号之间检测到的延迟。

15. 发明申请

US20120016503A1 METHOD AND APPARATUS FOR SWITCHING SIGNAL DELAY 审中-公开
标题翻译：用于切换信号延迟的方法和装置
公开(公告)号：US20120016503A1
公开(公告)日：2012-01-19
申请号：US13243444
申请日：2011-09-23
申请人： Yue LANG , Wenhai WU , Lei MIAO , Zexin LIU , Chen HU , Qing ZHANG
发明人： Yue LANG , Wenhai WU , Lei MIAO , Zexin LIU , Chen HU , Qing ZHANG
IPC分类号： G06F17/00
CPC分类号： G10L19/167 , G10L19/008
摘要： A method for switching signal delay disclosed in the embodiments of the present invention includes: detecting a signal delay being currently transmitted; judging whether an adjacent delay transmitted successfully is equal to the signal delay being transmitted currently if it is detected that the signal delay being transmitted is switchable; and switching the signal delay being currently transmitted if it is determined that the adjacent delay transmitted successfully is not equal to the signal delay being transmitted currently. An apparatus for switching signal delay is also disclosed. The embodiments of the present invention are applicable to a scenario of switching delay of left-channel signals and right-channel signals.
摘要翻译：一种用于切换本发明实施例中公开的信号延迟的方法包括：检测当前发送的信号延迟; 如果检测到所发送的信号延迟是可切换的，则判断当前发送的相邻延迟是否等于正在发送的信号延迟; 并且如果确定发送成功的相邻延迟不等于正在发送的信号延迟，则切换当前发送的信号延迟。还公开了用于切换信号延迟的装置。本发明的实施例可应用于左声道信号和右声道信号的切换延迟的场景。

16. 发明授权

US08000968B1 Method and apparatus for switching speech or audio signals 有权
标题翻译：用于切换语音或音频信号的方法和装置
公开(公告)号：US08000968B1
公开(公告)日：2011-08-16
申请号：US13094340
申请日：2011-04-26
申请人： Zexin Liu , Lei Miao , Chan Hu , Wenhai Wu , Yue Lang , Qing Zhang
发明人： Zexin Liu , Lei Miao , Chan Hu , Wenhai Wu , Yue Lang , Qing Zhang
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L19/22 , G10L19/26
摘要： A method and an apparatus for switching speech or audio signals, wherein the method for switching speech or audio signals includes when switching of a speech or audio, weighting a first high frequency band signal of a current frame of speech or audio signal and a second high frequency band signal of the previous M frame of speech or audio signals to obtain a processed first high frequency band signal, where M is greater than or equal to 1, and synthesizing the processed first high frequency band signal and a first low frequency band signal of the current frame of speech or audio signal into a wide frequency band signal. In this way, speech or audio signals with different bandwidths can be smoothly switched, thus improving the quality of audio signals received by a user.
摘要翻译：一种用于切换语音或音频信号的方法和装置，其中用于切换语音或音频信号的方法包括：当切换语音或音频时，加权当前语音或音频信号帧的第一高频带信号，先前的M帧语音或音频信号的频带信号，以获得经处理的第一高频带信号，其中M大于或等于1，并且合成经处理的第一高频带信号和第一低频带信号将当前的语音帧或音频信号转换成宽频带信号。以这种方式，可以平滑地切换具有不同带宽的语音或音频信号，从而提高用户接收的音频信号的质量。

17. 发明授权

US07941314B2 Fixed codebook search method and searcher 有权
标题翻译：固定码本搜索方法和搜索器
公开(公告)号：US07941314B2
公开(公告)日：2011-05-10
申请号：US12777875
申请日：2010-05-11
申请人： Dejun Zhang , Liang Zhang , Lixiong Li , Tinghong Wang , Yue Lang , Wenhai Wu
发明人： Dejun Zhang , Liang Zhang , Lixiong Li , Tinghong Wang , Yue Lang , Wenhai Wu
IPC分类号： G10L19/12
CPC分类号： G10L19/10 , G10L19/107
摘要： A fixed codebook search method includes: initializing a counter; searching for pulses and calculating the value of a cost function Qk; initializing the counter if the Qk value increases; increasing the value of the counter if the Qk value does not increase; judging whether the value of the counter is greater than the threshold value; continuing the search process if the value of the counter is not greater than the threshold value; and ending the whole search process if the value of the counter is greater than the threshold value. The present invention reduces the search count and improves the search efficiency.
摘要翻译：固定码本搜索方法包括：初始化计数器; 搜索脉冲并计算成本函数Qk的值; 如果Qk值增加则初始化计数器; 如果Qk值不增加则增加计数器的值; 判断所述计数器的值是否大于所述阈值; 如果计数器的值不大于阈值，继续搜索过程; 如果计数器的值大于阈值，则结束整个搜索过程。本发明减少了搜索次数，提高了搜索效率。

18. 发明授权

US09546118B2 Catalyst for the oxidative dehydrogenation of butene to butadiene and preparation process thereof 有权
标题翻译：丁烯氧化脱氢丁二烯催化剂及其制备方法
公开(公告)号：US09546118B2
公开(公告)日：2017-01-17
申请号：US14017783
申请日：2013-09-04
申请人： Changxi Miao , Wenhai Wu , Zhigui Fan , Tieqiang Zeng , Chunjing Ma , Sheng Wu
发明人： Changxi Miao , Wenhai Wu , Zhigui Fan , Tieqiang Zeng , Chunjing Ma , Sheng Wu
IPC分类号： B01J23/78 , B01J23/80 , B01J23/889 , C07C5/48 , B01J37/03 , B01J23/00 , B01J35/10
CPC分类号： C07C5/48 , B01J23/005 , B01J23/78 , B01J23/80 , B01J23/8892 , B01J35/1014 , B01J37/031 , B01J2523/00 , C07C2521/02 , C07C2523/02 , C07C2523/06 , C07C2523/72 , C07C2523/745 , C07C2523/75 , C07C2523/755 , C07C2523/80 , Y02P20/52 , C07C11/167 , B01J2523/22 , B01J2523/27 , B01J2523/31 , B01J2523/842 , B01J2523/17 , B01J2523/847 , B01J2523/25 , B01J2523/24 , B01J2523/845 , B01J2523/23 , B01J2523/21 , B01J2523/72
摘要： The present disclosure provides a catalyst for oxidative dehydrogenation of butene to butadiene, comprising at least one compound of formula ZnaAlbMcFeeOf.Z(α-Fe2O3), wherein M is at least one element chosen from Be, Mg, Ca, Sr, Mn, Ba, Cu, Co, and Ni, Z represents the percentage by weight of α-Fe2O3 in the catalyst and ranges from 10% to 70%. Also provided herein is a process of preparing said catalyst and the use of said catalyst in an oxidative dehydrogenation of butene to butadiene processes.
摘要翻译：本公开内容提供了丁烯至丁二烯氧化脱氢的催化剂，其包含至少一种式ZnaAlbMcFeeOf.Z（α-Fe2O3）化合物，其中M为选自Be，Mg，Ca，Sr，Mn，Ba ，Cu，Co和Ni中，Z表示催化剂中α-Fe 2 O 3的重量百分比，为10〜70％。本文还提供了制备所述催化剂的方法和所述催化剂在丁烯到丁二烯过程的氧化脱氢中的用途。

19. 发明授权

US08626518B2 Multi-channel signal encoding and decoding method, apparatus, and system 有权
标题翻译：多信道信号编解码方法，装置和系统
公开(公告)号：US08626518B2
公开(公告)日：2014-01-07
申请号：US13530819
申请日：2012-06-22
申请人： Yue Lang , Wenhai Wu , Lei Miao , Chen Hu
发明人： Yue Lang , Wenhai Wu , Lei Miao , Chen Hu
IPC分类号： G10L19/00
CPC分类号： H04H20/89
摘要： A multi-channel signal encoding method includes: determining a sum of channel level differences (CLDs) of a current frame of a multi-channel signal in a certain frequency band area; determining an average value of sums of channel level differences of at least two frames before the current frame in the certain frequency band area; according to the sum of channel level differences of the current frame of the multi-channel signal in the certain frequency band area, the average value of the sums of channel level differences of at least two frames before the current frame in the certain frequency band area, and a preset threshold, judging whether the channel level differences of the current frame are in a transient state or a non-transient state, and obtaining a judgment result; and according to the judgment result, performing quantization processing on the channel level differences of the current frame of the multi-channel signal.
摘要翻译：多信道信号编码方法包括：确定特定频带区域中的多信道信号的当前帧的信道电平差（CLD）之和; 确定所述特定频带区域中的当前帧之前的至少两帧的信道电平差的和的平均值; 根据特定频带区域中的多信道信号的当前帧的信道电平差的和，在特定频带区域中的当前帧之前的至少两帧的信道电平差的和的平均值和预设阈值，判断当前帧的信道电平差是处于暂态还是非瞬态状态，并获得判断结果; 并且根据判断结果，对多信道信号的当前帧的信道电平差执行量化处理。

20. 发明申请

US20120308017A1 METHOD, APPARATUS, AND SYSTEM FOR ENCODING AND DECODING MULTI-CHANNEL SIGNALS 有权
标题翻译：用于编码和解码多通道信号的方法，装置和系统
公开(公告)号：US20120308017A1
公开(公告)日：2012-12-06
申请号：US13572469
申请日：2012-08-10
申请人： Yue Lang , Wenhai Wu , Lei Miao , Zexin Liu
发明人： Yue Lang , Wenhai Wu , Lei Miao , Zexin Liu
IPC分类号： H04R5/00
CPC分类号： G10L19/008
摘要： A method, an apparatus, and a system for encoding and decoding multi-channel signals are disclosed. The method for encoding multi-channel signals includes: determining the category of an index corresponding to a channel level difference (CLD) which needs to be quantized in a current frame; quantizing the CLD of at least one frequency band whose index category is the same as the determined category of the index in the current frame, and obtaining quantized data.
摘要翻译：公开了一种用于对多信道信号进行编码和解码的方法，装置和系统。用于编码多声道信号的方法包括：确定与当前帧中需要量化的信道电平差（CLD）相对应的索引的类别; 量化其索引类别与当前帧中的确定的索引类别相同的至少一个频带的CLD，并获得量化数据。

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