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. 05, 2016
Filed:
Mar. 05, 2013
Dialog Semiconductor Gmbh, Kirchheim/Teck-Nabern, DE;
Dialog Semiconductor B.v., 's-Hertogenbosch, NL;
Lee Bathgate, Dunfermline, GB;
Michiel Andre Helsloot, 's-Hertogenbosch, NL;
Paul Shields, Dunblane, GB;
Christopher Piggin, Edinburgh, GB;
Dialog Semiconductor GmbH, Kirchheim/Teck-Nabern, DE;
Dialog Semiconductor B.V., 's-Hertogenbosch, NL;
Abstract
An amplifier circuit and a method of amplification using automatic gain control (AGC) are disclosed. A method for reducing distortions incurred by an audio signal when being rendered by an electronic device is described. The method comprises receiving an input signal; determining signal strength; determining a frequency-dependent AGC filter; wherein the frequency-dependent AGC filter is adapted to selectively attenuate the input signal within a number N of predetermined frequency ranges, according to corresponding N degrees of attenuation; wherein N predetermined frequency ranges depend upon a rendering characteristic of the electronic device; and wherein the N-degrees of attenuation depend upon the signal strength; and attenuating the input signal using the frequency-dependent AGC filter to obtain an output signal for rendering by the electronic device.