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    • 3. 发明申请
    • METHOD AND DEVICE FOR ELIMINATING BACKGROUND NOISE
    • 消除背景噪声的方法和装置
    • WO2010115359A1
    • 2010-10-14
    • PCT/CN2010/071334
    • 2010-03-25
    • BYD COMPANY LIMITEDLI, HaiXU, KunpingZHANG, LizhenYANG, YunFENG, Wei
    • LI, HaiXU, KunpingZHANG, LizhenYANG, YunFENG, Wei
    • G10L21/02G10L11/02
    • G10L21/0208G10L2021/02168
    • A method for eliminating background noise and a device thereof are provided. The method may comprise the steps of : detecting an effective value of a received audio signal to generate an output signal corresponding to an average power of the received audio signal (step A); generating a noise eliminating control signal by comparing the output signal corresponding to the average power signal with first threshold determined based on the difference between an average power of the voice signal and an average power of the noise signal (step B); eliminating the noise signal from the received audio signal, and amplifying the voice signal in the received audio signal with the control of the noise eliminating control signal. Based on the method and device, the background noise may be eliminated effectively.
    • 提供消除背景噪声的方法及其装置。 该方法可以包括以下步骤:检测所接收的音频信号的有效值以产生对应于所接收的音频信号的平均功率的输出信号(步骤A); 通过将对应于平均功率信号的输出信号与基于语音信号的平均功率和噪声信号的平均功率之间的差异确定的第一阈值相比较来产生噪声消除控制信号(步骤B); 消除来自接收到的音频信号的噪声信号,并且通过噪声消除控制信号的控制来放大所接收的音频信号中的语音信号。 基于该方法和装置,可以有效地消除背景噪声。
    • 6. 发明申请
    • SPIN-TRANSFER TORQUE MEMORY NON-DESTRUCTIVE SELF-REFERENCE READ METHOD
    • 转子转子记忆体非破坏性自参考读取方法
    • WO2009158055A1
    • 2009-12-30
    • PCT/US2009/038935
    • 2009-03-31
    • SEAGATE TECHNOLOGY LLCCHEN, YiranLI, HaiLIU, HongyueWANG, RanDIMITROV, Dimitar
    • CHEN, YiranLI, HaiLIU, HongyueWANG, RanDIMITROV, Dimitar
    • G11C11/16
    • G11C11/1673G11C11/1693
    • A spin-transfer torque memory apparatus and non-destructive self-reference read schemes are described. One method of self-reference reading a spin-transfer torque memory unit includes applying a first read current through a magnetic tunnel junction data cell and forming a first bit line read voltage and storing the first bit line read voltage in a first voltage storage device. The magnetic tunnel junction data cell has a first resistance state. Then the method includes applying a second read current thorough the magnetic tunnel junction data cell having the first resistance state and forming a second bit line read voltage and storing the second bit line read voltage in a second voltage storage device. The first read current is less than the second read current. Then the stored first bit line read voltage is compared with the stored second bit line read voltage to determine whether the first resistance state of the magnetic tunnel junction data cell was a high resistance state or low resistance state.
    • 描述了自旋转移力矩存储装置和非破坏性自参考读取方案。 读取自旋转移力矩存储单元的一种自参考方法包括:通过磁性隧道结数据单元施加第一读取电流并形成第一位线读取电压并将第一位线读取电压存储在第一电压存储装置中。 磁性隧道结数据单元具有第一电阻状态。 然后,该方法包括通过具有第一电阻状态的磁性隧道结数据单元施加第二读取电流并形成第二位线读取电压,并将第二位线读取电压存储在第二电压存储器件中。 第一个读取电流小于第二个读取电流。 然后将存储的第一位线读取电压与存储的第二位线读取电压进行比较,以确定磁性隧道结数据单元的第一电阻状态是高电阻状态还是低电阻状态。