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:
Aug. 04, 2015
Filed:
Mar. 13, 2012
Yi Gao, Sichuan, CN;
James D. Barrus, Schaumburg, IL (US);
William M. Kushner, Arlington Heights, IL (US);
Yu Liu, Chendu, CN;
LI Xiao, Chengdu, CN;
Yi Gao, Sichuan, CN;
James D. Barrus, Schaumburg, IL (US);
William M. Kushner, Arlington Heights, IL (US);
Yu Liu, Chendu, CN;
Li Xiao, Chengdu, CN;
Motorola Solutions, Inc., Schaumburg, IL (US);
Abstract
A method and apparatus for adaptively controlling the audio output () of a communication device () according to the noise characteristics of the receiver listening environment (). An output volume for the communication device () is set by a user (e.g., listener). The communication device () can intermittently sample ambient noise () of its environment (). A minimum signal to noise threshold can be established for audio output (). A total adjustment for the audio output () is established based on the ambient noise (), the user set output volume, and the minimum signal to noise threshold. The total adjustment is a product of a software volume adjustment () and a hardware gain adjustment (). The software volume adjustment () and the hardware gain adjustment () is adaptively applied when the communication device () outputs audio ().