Method and apparatus for automatic noise compensation used with audio reproduction equipment
US8340308B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2007 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Jul 10, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/32
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and an apparatus for automatic noise compensation used with audio reproduction equipment are provided. The method comprises: (a) collecting a plurality of mixed audio signals, each mixed audio signal including equipment sound output by the audio reproduction equipment, and background noise; (b) removing the equipment sound from the mixed audio signals to obtain the background noise therein; (c) determining whether or not a plurality of mixed audio signals under inspection include a significant sound; and (d) adjusting the volume of the audio reproduction equipment according to whether or not a significant sound has been generated in the surrounding area and the magnitude of the background noise in the mixed audio signals under inspection to satisfy a plurality of predetermined compensation conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.