Patent · US Active

Apparatus, method and computer program for obtaining a parameter describing a variation of a signal characteristic of a signal

US8571876B2 · kind B2 · utility

0Cited by

2References

30Claims

0Family size

Assignee

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

Inventors

Tom Baeckstroem · Nuremberg, DE
Stefan Bayer · Nuremberg, DE
Ralf Geiger · Erlangen, DE
Max Neuendorf · Nuremberg, DE
Sascha Disch · Bad Mergentheim, DE

Key dates

Filing date	Jul 20, 2011
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Jul 20, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG10L25/27
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An apparatus for obtaining a parameter describing a variation of a signal characteristic of a signal on the basis of actual transform-domain parameters describing the audio signal in transform-domain includes a parameter determinator. The parameter determinator is configured to determine one or more model parameters of a transform-domain variation model describing an evolution of the transform-domain parameters in dependence on one or more model parameters representing a signal characteristic, such that a model error, representing a deviation between a modeled temporal evolution of the transform-domain parameters and an evolution of the actual transform-domain parameters, is brought below a predetermined threshold value or minimized.

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