公开(公告)号：US09253575B2

公开(公告)日：2016-02-02

申请号：US14264021

申请日：2014-04-28

Applicant: Anpec Electronics Corporation

Inventor： Ke-Horng Chen ,  Shen-Yu Peng ,  Shin-Hao Chen ,  Yi-Ping Su ,  Yuan-Hung Wang ,  Te-Sheng Chen ,  Yun-Li Liu

IPC: H04R5/04 ,  H04R31/00

CPC classification number: H04R5/04 ,  H04R2430/00

Abstract: A power management system coupled to a speaker module includes a monitor module for measuring a current signal and a voltage signal of the speaker module to obtain a real-time impedance information of the speaker module; a reception module for receiving a time-domain audio analogy signal to be transformed into a frequency-domain audio digital signal; a prediction module for generating a power prediction information according to an initial audio information, the real-time impedance information and the audio digital signal; a control module for generating a control signal according to the audio digital signal and a human hearing model information; and a power adjustment module for outputting an adjustment audio signal to the speaker module according to the power prediction information, the audio digital signal and the control signal, so as to perform a broadcast operation of the speaker module.

Abstract translation: 耦合到扬声器模块的电源管理系统包括用于测量扬声器模块的电流信号和电压信号的监视器模块，以获得扬声器模块的实时阻抗信息; 接收模块，用于接收要变换成频域音频数字信号的时域音频模拟信号; 预测模块，用于根据初始音频信息，实时阻抗信息和音频数字信号产生功率预测信息; 控制模块，用于根据音频数字信号和人类听力模型信息产生控制信号; 以及功率调节模块，用于根据功率预测信息，音频数字信号和控制信号向扬声器模块输出调节音频信号，以便执行扬声器模块的广播操作。

公开(公告)号：US20150264456A1

公开(公告)日：2015-09-17

申请号：US14264021

申请日：2014-04-28

Applicant: Anpec Electronics Corporation

Inventor： Ke-Horng Chen ,  Shen-Yu Peng ,  Shin-Hao Chen ,  Yi-Ping Su ,  Yuan-Hung Wang ,  Te-Sheng Chen ,  Yun-Li Liu

IPC: H04R1/00

CPC classification number: H04R5/04 ,  H04R2430/00

Abstract: A power management system coupled to a speaker module includes a monitor module for measuring a current signal and a voltage signal of the speaker module to obtain a real-time impedance information of the speaker module; a reception module for receiving a time-domain audio analogy signal to be transformed into a frequency-domain audio digital signal; a prediction module for generating a power prediction information according to an initial audio information, the real-time impedance information and the audio digital signal; a control module for generating a control signal according to the audio digital signal and a human hearing model information; and a power adjustment module for outputting an adjustment audio signal to the speaker module according to the power prediction information, the audio digital signal and the control signal, so as to perform a broadcast operation of the speaker module.

Abstract translation: 耦合到扬声器模块的电源管理系统包括用于测量扬声器模块的电流信号和电压信号的监视器模块，以获得扬声器模块的实时阻抗信息; 接收模块，用于接收要变换成频域音频数字信号的时域音频模拟信号; 预测模块，用于根据初始音频信息，实时阻抗信息和音频数字信号产生功率预测信息; 控制模块，用于根据音频数字信号和人类听力模型信息产生控制信号; 以及功率调节模块，用于根据功率预测信息，音频数字信号和控制信号向扬声器模块输出调节音频信号，以便执行扬声器模块的广播操作。