×

Speaker device and audio signal processing method

  • US 9,674,609 B2
  • Filed: 08/19/2014
  • Issued: 06/06/2017
  • Est. Priority Date: 08/19/2013
  • Status: Active Grant
First Claim
Patent Images

1. A speaker apparatus comprising:

  • an input portion to which audio signals of a plurality of channels are input;

    a plurality of speakers;

    at least one processor for executing stored instructions to;

    delay the audio signals of the plurality of channels input to the input portion and distribute the delayed audio signals to the plurality of speakers so that the plurality of speakers output a plurality of sound beams, wherein the plurality of sound beams are directed toward at least one focus position; and

    apply a filtering processing based on a head-related transfer function to at least one of the audio signals of the plurality of channels input to the input portion and inputs the processed audio signal to the plurality of speakers, andwherein at least a part of a virtual sound source, localized by the at least one of the audio signals of the plurality of channels to which the filtering processing based on the head-related transfer function is applied, overlaps at least a portion of the at least one focus position of the plurality of sound beams.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×