The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 29, 2013
Filed:
Oct. 17, 2008
Kai-hsiang Chou, Hsinchu, TW;
Wen-haw Wang, Keelung, TW;
Yu-heng Chen, Taipei, TW;
Mei-yu Fan, Taipei, TW;
Kai-Hsiang Chou, Hsinchu, TW;
Wen-Haw Wang, Keelung, TW;
Yu-Heng Chen, Taipei, TW;
Mei-Yu Fan, Taipei, TW;
Realtek Semiconductor Corp., Hsinchu, TW;
Abstract
A device and method are provided for automatically adjusting gain, including a conversion module for converting an audio time-domain signal to an audio frequency-domain signal, an analysis module for analyzing the audio frequency-domain signal in accordance with an equal-loudness level contour of human hearing so as to generate strength weightings and generating a signal strength in accordance with the weightings, a calculation module for calculating a gain by analysis of the audio frequency-domain signal when the signal strength falls outside a default range, and a control module for generating an audio output signal in accordance with the gain and the audio time-domain signal.