Patent · US Active

Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program

US10431232B2 · kind B2 · utility

2Cited by

12References

27Claims

0Family size

Assignee

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

Inventors

Guillaume Fuchs · Erlangen, DE
Tom Baeckstroem · Nuremberg, DE
Ralf Geiger · Erlangen, DE
Wolfgang Jaegers · Erlangen, DE
Emmanuel Ravelli · Erlangen, DE

Key dates

Filing date	Jul 28, 2015
Grant date	Oct 1, 2019
Priority date	—
Expiry date	Jul 13, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG10L19/06
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method and an apparatus for synthesizing an audio signal are described. A spectral tilt is applied to the code of a codebook used for synthesizing a current frame of the audio signal. The spectral tilt is based on the spectral tilt of the current frame of the audio signal. Further, an audio decoder operating in accordance with the inventive approach is described.

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