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Patent
Title

Apparatus and Method for Generating Filter Characteristics

Abstract
An apparatus for generating filter characteristics for filters connectible to at least three loudspeakers at defined locations with respect to a sound reproduction zone comprises an impulse response reverser (10) for time- reversing impulse responses associated to the loudspeakers to obtain time-reversed impulse responses. The apparatus furthermore comprises an impulse response modifier (14) for modifying the impulse responses or the time-reversed impulse responses such that impulse response portions occurring before a maximum of a time-reversed impulse response are reduced in amplitude to obtain the filter characteristics for the filters.
Inventor(s)
Strauß, M.
Korn, T.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=WO&NR=2009EP02654A
Patent Number
102008018029
Publication Date
2009
Language
German
Fraunhofer-Institut für Digitale Medientechnologie IDMT  
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