Invention Grant
- Patent Title: Amplifier capable of controlling cut-off frequency in real time and amplification method for controlling cut-off frequency in real time
- Patent Title (中): 实时控制截止频率的放大器和实时控制截止频率的放大方法
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Application No.: US14315048Application Date: 2014-06-25
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Publication No.: US09414163B2Publication Date: 2016-08-09
- Inventor: Yeongha Choi
- Applicant: Neofidelity, Inc.
- Applicant Address: KR Seoul
- Assignee: NEOFIDELITY, INC.
- Current Assignee: NEOFIDELITY, INC.
- Current Assignee Address: KR Seoul
- Agency: Stein IP, LLC
- Priority: KR10-2014-0029465 20140314
- Main IPC: H04R3/04
- IPC: H04R3/04 ; H03F3/183 ; H03F3/217 ; H04R3/00 ; H03G9/00 ; H03G9/02
Abstract:
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.
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