公开(公告)号：US20170359043A1

公开(公告)日：2017-12-14

申请号：US15462074

申请日：2017-03-17

申请人： NEOFIDELITY, INC.

发明人： Yeongha CHOI

IPC分类号： H03G3/00 ,  H03G5/00

CPC分类号： H03G3/002 ,  H03G5/005 ,  H03K7/08

摘要： A system, a method for interleaving a digital audio signal including a PWM signal, and a digital audio processing device employing the same in accordance with the present invention are disclosed. The system, the method and the digital audio processing device is capable of minimizing the interference with an RF signal such as an AM signal or an FM signal by interleaving the digital audio signal including the PWM signal.

公开(公告)号：US20150264481A1

公开(公告)日：2015-09-17

申请号：US14315048

申请日：2014-06-25

申请人： Neofidelity, Inc.

发明人： Yeongha CHOI

IPC分类号： H04R3/04 ,  H03F3/183

CPC分类号： H04R3/04 ,  H03F3/183 ,  H03F3/217 ,  H03F2200/03 ,  H03F2200/171 ,  H03G9/005 ,  H03G9/02 ,  H04R3/002 ,  H04R3/007

摘要： An amplifier and an amplification method are provided. In accordance with the present invention, a cut-off frequency of variable high-pass filter is dynamically adjusted in real time according to a low frequency level of an input audio signal to prevent a distortion of the audio signal and damage of loudspeaker.

摘要翻译： 提供放大器和放大方法。 根据本发明，根据输入音频信号的低频电平实时动态地调节可变高通滤波器的截止频率，以防止音频信号的失真和扬声器的损坏。

公开(公告)号：US20140211968A1

公开(公告)日：2014-07-31

申请号：US14165975

申请日：2014-01-28

申请人： NEOFIDELITY, INC.

发明人： Yeongha CHOI ,  Duckhwan KIM

IPC分类号： H04R3/04

CPC分类号： H04R3/04 ,  H04R2499/15

摘要： The present invention relates to a method for dynamically adjusting a gain of parametric equalizer according to an input signal, a dynamic parametric equalizer employing the same and a dynamic parametric equalizer system employing the same wherein a gain of parametric equalizer is dynamically adjusted according to a level of an input digital audio signal to prevent distortion of output signal.

摘要翻译： 本发明涉及一种用于根据输入信号动态调整参量均衡器的增益的方法，采用该参数均衡器的动态参数均衡器和采用该参数均衡器的动态参数均衡器系统，其中根据等级动态地调整参量均衡器的增益 的输入数字音频信号，以防止输出信号的失真。