Patent · US Active

Device and method for generating an ambience signal

US8577482B2 · kind B2 · utility

5Cited by

6References

34Claims

0Family size

Assignee

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

Inventors

Juergen Herre · Erlangen, DE
Stefan Geyersberger · Erlangen, DE
Oliver Hellmuth · Erlangen, DE
Andreas Walther · Könnern, DE
Christiaan Janssen · Berlin, DE

Key dates

Filing date	Apr 12, 2007
Grant date	Nov 5, 2013
Priority date	—
Expiry date	Jan 2, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04R5/04
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A transient detector is provided for generating an ambience signal suitable for being emitted via loudspeakers for which there is no special loudspeaker signal to detect a transient period. A synthesis signal generator produces a synthesis signal which fulfills the transient condition on the one hand and the continuity condition for the synthesis signal on the other hand. A signal substituter will then substitute a portion of the examination signal by the synthesis signal to obtain an ambience signal for the surround channels.

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