Recording, synthesis and reproduction of sound fields in an enclosure

Bidragets oversatte titel: Optagelse, syntese og reproduktion af lydfelter i et lukket rum

Søren Bech (Opfinder), Martin Geoff (Opfinder), Flemming Christensen (Opfinder), Woo-keun Song (Opfinder), Pauli Minnaar (Opfinder)

Publikation: Patent

Abstract

The invention relates to simulation of sound fields in enclosures, for instance for application in listening tests, where test subjects assess the sound quality or other sound perception characteristics of the sound field. According to a specific embodiment, the system comprises a binaural synthesis portion which synthesizes sound for instance from a sound reproduction equipment based on measured impulse responses of an actual room stored in a database and a binaural recording portion comprising a data base for storing binaural recordings of other sound signals made in the room. Data from these databases are mixed (41) and reproduced by means of a headphone provided with a head tracker for tracking the movements of the listener's head. The invention furthermore comprises the use of cross-fading functions to enable the dynamic listening conditions, where the movements of the listener's head are taken into account during the simulation process.
Bidragets oversatte titelOptagelse, syntese og reproduktion af lydfelter i et lukket rum
OriginalsprogEngelsk
PatentnummerUS 8,175,286 B2
Land/OmrådeUSA
StatusUdgivet - 8 maj 2012

Citationsformater