Patents Assigned to Smyth Research LLC
  • Patent number: 7936887
    Abstract: A listener can experience the sound of virtual loudspeakers over headphones with a level of realism that is difficult to distinguish from the real loudspeaker experience. Sets of personalized room impulse responses (PRIRs) are acquired for the loudspeaker sound sources over a limited number of listener head positions. The PRIRs are then used to transform an audio signal for the loudspeakers into a virtualized output for the headphones. Basing the transformation on the listener's head position, the system can adjust the transformation so that the virtual loudspeakers appear not to move as the listener moves the head.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: May 3, 2011
    Assignee: Smyth Research LLC
    Inventor: Stephen Malcolm Smyth