• Patent Title: Local sound field forming apparatus and local sound field forming method
  • Application No.: US16301087
    Application Date: 2017-05-17
  • Publication No.: US10708686B2
    Publication Date: 2020-07-07
  • Inventor: Yu MaenoYuhki Mitsufuji
  • Applicant: SONY CORPORATION
  • Applicant Address: JP Tokyo
  • Assignee: Sony Corporation
  • Current Assignee: Sony Corporation
  • Current Assignee Address: JP Tokyo
  • Agency: Chip Law Group
  • Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4c609af0
  • International Application: PCT/JP2017/018498 WO 20170517
  • International Announcement: WO2017/208819 WO 20171207
  • Main IPC: H04R3/00
  • IPC: H04R3/00 H04R1/40 H04R3/12
Local sound field forming apparatus and local sound field forming method
Abstract:
There is provided a local sound field forming apparatus including a local sound field forming filter coefficient recording unit that records an audio filter coefficient for forming a sound field by an evanescent wave, a filter unit that convolves the audio filter coefficient and a sound source signal to generate a loudspeaker drive signal, and a loudspeaker array that includes a plurality of loudspeakers including a directional loudspeaker, and that reproduces a sound on the basis of the loudspeaker drive signal. The present technology can be applied to a local sound field forming apparatus.
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