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    • 31. 发明授权
    • Determining pitch cycle energy and scaling an excitation signal
    • 确定音调周期能量并缩放激励信号
    • US08862465B2
    • 2014-10-14
    • US13228046
    • 2011-09-08
    • Venkatesh KrishnanStephane Pierre Villette
    • Venkatesh KrishnanStephane Pierre Villette
    • G10L21/00G10L19/00G10L19/12G10L21/02G10L19/02G10L13/00G10L25/93G06F17/28G10L19/097
    • G10L19/097
    • An electronic device for determining a set of pitch cycle energy parameters is described. The electronic device includes a processor and executable instructions stored in memory. The electronic device obtains a frame, a set of filter coefficients and a residual signal based on the frame and the set of filter coefficients. The electronic device determines a set of peak locations based on the residual signal and segments the residual signal such that each segment includes one peak. The electronic device determines a first set of pitch cycle energy parameters based on a frame region between two consecutive peak locations and maps regions between peaks in the residual signal to regions between peaks in a synthesized excitation signal to produce a mapping. The electronic device determines a second set of pitch cycle energy parameters based on the first set of pitch cycle energy parameters and the mapping.
    • 描述了一种用于确定一组音调周期能量参数的电子设备。 电子设备包括存储在存储器中的处理器和可执行指令。 电子设备基于帧和滤波器系数集合获得帧,一组滤波器系数和残差信号。 电子设备基于残余信号确定一组峰值位置,并且对剩余信号进行分段,使得每个段包括一个峰值。 电子设备基于两个连续峰值位置之间的帧区域确定第一组音调周期能量参数,并且将残差信号中的峰值之间的区域映射到合成的激励信号的峰值之间的区域以产生映射。 电子设备基于第一组音调周期能量参数和映射来确定第二组音调周期能量参数。
    • 34. 发明申请
    • DETERMINING PITCH CYCLE ENERGY AND SCALING AN EXCITATION SIGNAL
    • 确定点火周期能量和放大激发信号
    • US20120072208A1
    • 2012-03-22
    • US13228046
    • 2011-09-08
    • Venkatesh KrishnanStephane Pierre Villette
    • Venkatesh KrishnanStephane Pierre Villette
    • G10L11/04
    • G10L19/097
    • An electronic device for determining a set of pitch cycle energy parameters is described. The electronic device includes a processor and executable instructions stored in memory. The electronic device obtains a frame, a set of filter coefficients and a residual signal based on the frame and the set of filter coefficients. The electronic device determines a set of peak locations based on the residual signal and segments the residual signal such that each segment includes one peak. The electronic device determines a first set of pitch cycle energy parameters based on a frame region between two consecutive peak locations and maps regions between peaks in the residual signal to regions between peaks in a synthesized excitation signal to produce a mapping. The electronic device determines a second set of pitch cycle energy parameters based on the first set of pitch cycle energy parameters and the mapping.
    • 描述了一种用于确定一组音调周期能量参数的电子设备。 电子设备包括存储在存储器中的处理器和可执行指令。 电子设备基于帧和滤波器系数集合获得帧,一组滤波器系数和残差信号。 电子设备基于残余信号确定一组峰值位置,并且对剩余信号进行分段,使得每个段包括一个峰值。 电子设备基于两个连续峰值位置之间的帧区域确定第一组音调周期能量参数,并且将残差信号中的峰值之间的区域映射到合成的激励信号的峰值之间的区域以产生映射。 电子设备基于第一组音调周期能量参数和映射来确定第二组音调周期能量参数。