公开(公告)号：US07549147B2

公开(公告)日：2009-06-16

申请号：US10414314

申请日：2003-04-15

申请人： Ariel Futoransky ,  Carlos Emilio Sarraute Yamada ,  Diego Ariel Bendersky ,  Luciano Notarfrancesco ,  Ariel Waissbein

发明人： Ariel Futoransky ,  Carlos Emilio Sarraute Yamada ,  Diego Ariel Bendersky ,  Luciano Notarfrancesco ,  Ariel Waissbein

IPC分类号： G06F9/44 ,  G06F9/45 ,  G06F11/30 ,  G06F17/30 ,  H04L9/00

CPC分类号： G06F21/125 ,  G06F21/16

摘要： A method for protecting software is provided, where source code for the software has a first directive marking an encryption beginning point and a second directive marking an encryption end point. The method contains the steps of: processing the source code to identify a block of code between the first and second directives; compiling the source code to produce a binary file; generating a valid key and a random string; encrypting the random string with the key to obtain a first encrypted value; encrypting a portion of the binary file corresponding to the block of code with the valid key to obtain a second encrypted value; and replacing the portion of the binary file corresponding to the block of code with the second encrypted value and code that can decrypt the second encrypted value during execution of the software.

摘要翻译： 提供了一种用于保护软件的方法，其中软件的源代码具有标记加密开始点的第一指令和标记加密终点的第二指令。 该方法包括以下步骤：处理源代码以识别第一和第二指令之间的代码块; 编译源代码生成二进制文件; 生成有效的密钥和随机字符串; 用所述密钥加密所述随机字符串以获得第一加密值; 用有效密钥加密对应于代码块的二进制文件的一部分以获得第二加密值; 以及用所述第二加密值替换与所述代码块相对应的所述二进制文件的所述部分，以及在所述软件执行期间能够解密所述第二加密值的代码。

公开(公告)号：US08213598B2

公开(公告)日：2012-07-03

申请号：US12037088

申请日：2008-02-26

申请人： Diego Ariel Bendersky ,  Jack W. Stokes, III ,  Henrique S. Malvar

发明人： Diego Ariel Bendersky ,  Jack W. Stokes, III ,  Henrique S. Malvar

IPC分类号： H04M9/08

CPC分类号： H04B3/23 ,  H04M9/082

摘要： Harmonic distortion residual echo suppression (HDRES) technique embodiments are presented which act to suppress the residual echo remaining after a near-end microphone signal has undergone AEC, including harmonic distortion in the signal that was caused by the speaker audio signal playback. In general, an AEC module is employed which suppresses some parts of the speaker audio signal found in a near-end microphone signal and generates an AEC output signal. A HDRES module then inputs the AEC output signal and the speaker audio signal, and suppresses at least a portion of a residual part of the speaker audio signal that was left unsuppressed by the AEC module. This includes at least a portion of the harmonic distortion exhibited in the AEC output signal.

摘要翻译： 提出了谐波失真残差回波抑制（HDRES）技术实施例，其用于抑制近端麦克风信号已经经历AEC之后剩余的残余回声，包括由扬声器音频信号回放引起的信号中的谐波失真。 通常，使用AEC模块，其抑制在近端麦克风信号中发现的扬声器音频信号的一些部分，并产生AEC输出信号。 然后，HDRES模块输入AEC输出信号和扬声器音频信号，并且抑制扬声器音频信号的残留部分的至少一部分，其被AEC模块未被压缩。 这包括在AEC输出信号中呈现的谐波失真的至少一部分。

公开(公告)号：US20090214048A1

公开(公告)日：2009-08-27

申请号：US12037088

申请日：2008-02-26

申请人： Jack W. Stokes, III ,  Henrique S. Malvar ,  Diego Ariel Bendersky

发明人： Jack W. Stokes, III ,  Henrique S. Malvar ,  Diego Ariel Bendersky

IPC分类号： H04B3/20

CPC分类号： H04B3/23 ,  H04M9/082

摘要： Harmonic distortion residual echo suppression (HDRES) technique embodiments are presented which act to suppress the residual echo remaining after a near-end microphone signal has undergone AEC, including harmonic distortion in the signal that was caused by the speaker audio signal playback. In general, an AEC module is employed which suppresses some parts of the speaker audio signal found in a near-end microphone signal and generates an AEC output signal. A HDRES module then inputs the AEC output signal and the speaker audio signal, and suppresses at least a portion of a residual part of the speaker audio signal that was left unsuppressed by the AEC module. This includes at least a portion of the harmonic distortion exhibited in the AEC output signal.

摘要翻译： 提出了谐波失真残差回波抑制（HDRES）技术实施例，其用于抑制近端麦克风信号已经经历AEC之后剩余的残余回声，包括由扬声器音频信号回放引起的信号中的谐波失真。 通常，使用AEC模块，其抑制在近端麦克风信号中发现的扬声器音频信号的一些部分，并产生AEC输出信号。 然后，HDRES模块输入AEC输出信号和扬声器音频信号，并且抑制扬声器音频信号的残留部分的至少一部分，其被AEC模块未被压缩。 这包括在AEC输出信号中呈现的谐波失真的至少一部分。