Patent · US Active

Estimating noise of an audio signal in a LOG2-domain

US10249317B2 · kind B2 · utility

2Cited by

7References

13Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Benjamin Schubert · Nuremberg, DE
Manuel Jander · Hemhofen, DE
Anthony Lombard · Erlangen, DE
Martin Dietz · Nuremberg, DE
Markus Multrus · Nuremberg, DE

Key dates

Filing date	Jan 27, 2017
Grant date	Apr 2, 2019
Priority date	—
Expiry date	Apr 24, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG10L21/0216
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method is described that estimates noise in an audio signal. An energy value for the audio signal is estimated and converted into the logarithmic domain. A noise level for the audio signal is estimated based on the converted energy value.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.