Patent · US Active

Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system

US8036903B2 · kind B2 · utility

27Cited by

8References

99Claims

0Family size

Assignee

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

Inventors

Bernhard Grill · Lautenbächle, DE
Markus Schnell · Nuremberg, DE
Ralf Geiger · Erlangen, DE
Gerald Schuller · Erfurt, DE

Key dates

Filing date	May 4, 2007
Grant date	Oct 11, 2011
Priority date	—
Expiry date	Feb 3, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG10L19/022
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An embodiment of an analysis filterbank for filtering a plurality of time domain input frames, wherein an input frame comprises a number of ordered input samples, comprises a windower configured to generate a plurality of windowed frames, wherein a windowed frame comprises a plurality of windowed samples, wherein the windower is configured to process the plurality of input frames in an overlapping manner using a sample advance value, wherein the sample advance value is less than the number of ordered input samples of an input frame divided by two, and a time/frequency converter configured to provide an output frame comprising a number of output values, wherein an output frame is a spectral representation of a windowed frame.

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